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19-2711; Rev 0; 1/03
Dual Low-Dropout Linear Regulators with RESET or Low-Noise Output in UCSP or QFN
General Description
The MAX8530/MAX8531 offer the benefits of lowdropout voltage and ultra-low power regulation in subminiaturized UCSP and QFN packages with an integrated microprocessor reset circuit (MAX8530 only). The devices operate from a 2.5V to 6.5V input and deliver up to 200mA and 150mA outputs with low dropout of 100mV (typ) at 100mA. Designed with an internal P-channel MOSFET pass transistor, the supply current is kept at a low 130A (with both LDOs on), independent of the load current and dropout voltage. Other features include short-circuit protection and thermal-shutdown protection. The MAX8530 provides microprocessor open-drain, active-low reset output to monitor OUT1, eliminating external components and adjustments. The MAX8530 asserts a 100ms (min) RESET signal when OUT1 drops below 87% of the nominal output voltage. The MAX8531 includes a reference bypass pin for low output noise (40VRMS). Both devices include a logic-controlled shutdown input and are available in 6-bump UCSP and 6-pin thin QFN exposed pad packages.
KIT ATION EVALU BLE AVAILA
Features
o Guaranteed 200mA Output Current for OUT1 o Guaranteed 150mA Output Current for OUT2 o Low 100mV (typ) Dropout at 100mA Load for both LDOs o Open-Drain, Active-Low 100ms (min) Reset Timer (MAX8530) o Low 40VRMS Output Noise (MAX8531) o Low 130A Operating Supply Current o <1A Shutdown Current o Thermal-Overload and Short-Circuit Protection o Output Current Limit o Tiny Packages Available 1.16 x 1.57 x 0.6mm UCSP (3 x 2 Grid) 3mm x 3mm Thin QFN
MAX8530/MAX8531
Ordering Information
PART TEMP RANGE OUT_ PINVOLTAGE PACKAGE
Applications
Cellular and Cordless Phones PDAs and Palmtop Computers Notebook Computers Digital Cameras PCMCIA Cards Wireless LAN Cards Hand-Held Instruments
MAX8530EBTxy* -40C to +85C 1.5V to 3.3V 6 UCSP MAX8530ETTxy* -40C to +85C 1.5V to 3.3V 6 Thin QFN-EP** MAX8531EBTxy* -40C to +85C 1.5V to 3.3V 6 UCSP MAX8531ETTxy* -40C to +85C 1.5V to 3.3V 6 Thin QFN-EP
*xy = Output voltage code (see the Output Voltage Selector Guide). **EP = Exposed pad. Pin Configurations appear at end of data sheet. Output Voltage Selector Guide appears at end of data sheet.
Typical Operating Circuit
INPUT 2.5V TO 6.5V IN CIN 2.2F OUT1 2.2F 1.5V TO 3.3V AT 200mA VI/O BASEBAND P RESET RESET
MAX8530
ON OFF
SHDN GND
OUT2 1F 1.5V TO 3.3V AT 150mA
VCORE
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com.
Dual Low-Dropout Linear Regulators with RESET or Low-Noise Output in UCSP or QFN MAX8530/MAX8531
ABSOLUTE MAXIMUM RATINGS
IN, SHDN, RESET, BP to GND .................................-0.3V to +7V OUT1, OUT2 to GND...................................-0.3V to (VIN + 0.3V) Output Short-Circuit Duration ........................................Indefinite Continuous Power Dissipation (TA = +70C) 6-Bump UCSP (derate 3.9mW/C above +70C) ........308mW 6-Lead QFN (derate 24.4mW/C above +70C) ........1951mW Operating Temperature Range ...........................-40C to +85C Junction Temperature ......................................................+150C Storage Temperature Range .............................-65C to +150C 6-Bump+ UCSP Solder Profile ....................................(Note 1) 6-Lead QFN Lead Temperature (10s) .........................+300C
Note 1: For UCSP solder profile information, visit www.maxim-ic.com/1st_pages/UCSP.html.
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(IN = 3.8V, SHDN = IN, CBP = 10nF (MAX8531), TA = -40C to +85C, unless otherwise noted. Typical values are at TA = +25C.) (Note 2)
PARAMETER Input Voltage Undervoltage Lockout Threshold SYMBOL VIN VUVLO IN rising, hysteresis is 40mV (typ) TA = +25C, IOUT1 = IOUT2 = 1mA Output Voltage Accuracy TA = -40C to +85C, IOUT1 = IOUT2 = 1mA TA = -40C to +85C, IOUT1 = 0.1mA to 200mA, IOUT2 = 0.1mA to 150mA OUT1 OUT2 OUT1 OUT2 No load IOUT1 = IOUT2 = 100mA IN = (OUT_ + 0.1V) to 3.8V 10Hz to 100kHz, COUT = 10F, IOUT = 10mA PSRR 100Hz, IOUT = 30mA MAX8530 MAX8531 MAX8530 MAX8531 -0.2 320 40 60 62 0.01 0.1 1.6 0.4 TA = +25C TA = +85C 0.7 0.8 160 10 100 1 CONDITIONS MIN 2.5 2.15 -1 -2 -3 200 150 210 165 330 280 130 150 100 200 +0.2 550 500 220 2.25 TYP MAX 6.5 2.42 +1 +2 +3 mA mA A mV %/V VRMS dB % UNITS V V
Maximum Output Current Current Limit Ground Current Dropout Voltage Line Regulation Output Voltage Noise Ripple Rejection SHUTDOWN SHDN Supply Current SHDN Input Threshold SHDN Input Bias Current THERMAL PROTECTION Thermal-Shutdown Temperature Thermal-Shutdown Hysteresis
IOUT_ ILIM IQ
VOUT_ - VIN IOUT_ = 100mA (Note 3) VLNR
IOFF VIH VIL ISHDN
SHDN = 0, TA = +25C SHDN = 0, TA = +85C Input high voltage Input low voltage SHDN = IN or GND
A V nA
TSHDN TSHDN
TJ rising
C C
2
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Dual Low-Dropout Linear Regulators with RESET or Low-Noise Output in UCSP or QFN
ELECTRICAL CHARACTERISTICS (continued)
(IN = 3.8V, SHDN = IN, CBP = 10nF (MAX8531), TA = -40C to +85C, unless otherwise noted. Typical values are at TA = +25C.) (Note 2)
PARAMETER RESET OUTPUT (MAX8530 ONLY) RESET Threshold RESET Threshold Hysteresis RESET Output Voltage Low (Open-Drain, Active Low) RESET Open-Drain Output Leakage Current RESET Active Timeout Delay VOL IRESET = 500A, IN = 3.8V IRESET = 100A, IN = 1.2V V RESET = 6.5V TA = +25C TA = +85C 100 VTH Percentage of nominal output, OUT1 falling, when RESET falls. 84 87 0.5 10 10 0.001 0.01 200 360 20 40 1 89 % % mV A ms SYMBOL CONDITIONS MIN TYP MAX UNITS
MAX8530/MAX8531
From OUT1 rising to RESET rising.
Note 2: All units are 100% production tested at TA = +25C. Limits over the operating temperature range are guaranteed by design. Note 3: The dropout voltage is defined as VIN - VOUT, when VOUT is 100mV below the value of VOUT for VIN = VOUT + 0.5V. Specification applies only when VOUT 2.5V.
Typical Operating Characteristics
VOUT1 = 3.3V, VOUT2 = 1.5V, load = 80mA (both output voltages), VIN = 3.8V, COUT_ = 2.2F, CBP = 0.01F, CIN = 2.2F, and TA = +25C, unless otherwise noted.
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX8530 toc01
SUPPLY CURRENT vs. LOAD CURRENT
MAX8530 toc02
SUPPLY CURRENT vs. TEMPERATURE
180 160 SUPPLY CURRENT (A) 140 120 100 80 60 40 20 0 80mA LOAD, BOTH OUTPUTS
MAX8530 toc03
250
200 180 160 SUPPLY CURRENT (A) 140 120 100 80 60 40 20 BOTH OUTPUTS LOADED
200
200 SUPPLY CURRENT (A)
80mA LOAD, BOTH OUTPUTS
150 NO LOAD
100
50
0 0 1 2 3 4 5 6 SUPPLY VOLTAGE (V)
0 0 10 20 30 40 50 60 70 80 LOAD CURRENT (mA)
-40
-15
10
35
60
85
TEMPERATURE (C)
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3
Dual Low-Dropout Linear Regulators with RESET or Low-Noise Output in UCSP or QFN MAX8530/MAX8531
Typical Operating Characteristics (continued)
VOUT1 = 3.3V, VOUT2 = 1.5V, load = 80mA (both output voltages), VIN = 3.8V, COUT_ = 2.2F, CBP = 0.01F, CIN = 2.2F, and TA = +25C, unless otherwise noted.
DROPOUT VOLTAGE vs. LOAD CURRENT
MAX8530 toc04
LDO DROPOUT VOLTAGE vs. VOUT
MAX8530 toc05
OUTPUT VOLTAGE ACCURACY vs. TEMPERATURE
0.8 0.6 OUTPUT VOLTAGE (%) 0.4 0.2 0 -0.2 -0.4 -0.6 -0.8
MAX8530 toc06
250
120 100 DROPOUT VOLTAGE (mV) 80 60 40 20 0
1.0
DROPOUT VOLTAGE (mV)
200
150
IOUT1 = 80mA
100
50
0 0 20 40 60 80 100 120 140 160 180 200 LOAD CURRENT (mA)
-1.0 2.5 2.6 2.7 2.8 2.9 VOUT (V) 3.0 3.1 3.2 3.3 -40 -15 10 35 60 85 TEMPERATURE (C)
PSRR vs. FREQUENCY
CHANNEL-TO-CHANNEL ISOLATION (dB) OUT2 = 2.85V 60 50 PSRR (dB) 40 30 20 10 0 0.01 0.1 1 10 100 1000 FREQUENCY (kHz) OUT1 = 2.85V 100 LOAD
MAX8530 toc07
CHANNEL-TO-CHANNEL ISOLATION vs. FREQUENCY (MAX8531)
100 LOAD 70 60 50 40 30 20 10 0 0.01 0.1 1 10 100 1000 FREQUENCY (kHz) 10 0.01
MAX8530 toc08
OUTPUT NOISE SPECTRAL DENSITY vs. FREQUENCY (MAX8531)
MAX8530 toc09
70
80
10,000
NOISE DENSITY (nVRMS/Hz)
1000
100
0.1
1 FREQUENCY (kHz)
10
100
OUTPUT NOISE (10Hz TO 100kHz) (MAX8531)
MAX8530 toc10
LINE TRANSIENT
MAX8530 toc11
4.5V VIN 3.5V 1V/div VOUT_ 500V/ div VOUT_ 20mV/div AC-COUPLED
10ms/div
40s/div
4
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Dual Low-Dropout Linear Regulators with RESET or Low-Noise Output in UCSP or QFN
Typical Operating Characteristics (continued)
VOUT1 = 3.3V, VOUT2 = 1.5V, load = 80mA (both output voltages), VIN = 3.8V, COUT_ = 2.2F, CBP = 0.01F, CIN = 2.2F, and TA = +25C, unless otherwise noted.
LOAD TRANSIENT (VIN = 3.8V, ILOAD = 1mA TO 80mA) LOAD TRANSIENT NEAR DROPOUT
MAX8530 toc13
MAX8530/MAX8531
MAX8530 toc12
VOUT
20mV/div AC-COUPLED
VOUT
20mV/div AC-COUPLED
50mA/div ILOAD 0 VIN = VOUT + 0.1V 10s/div 10s/div ILOAD
50mA/div
0
RESET RESPONSE (MAX8530)
MAX8530 toc14
SHUTDOWN RESPONSE
MAX8530 toc15
2V/ div VIN 0 2V/ div 0 2V/ div 0 VSHDN 0 1ms/div VOUT2V/ div 0
VOUT-
1V/ div
VRESET
40ms/div
Pin Description
PIN MAX8530 (QFN) 1 2 3 4 5 6 -- MAX8531 MAX8530 (UCSP) (QFN) 1 2 3 4 5 -- 6 B3 B2 B1 A1 A2 A3 -- MAX8531 (UCSP) B3 B2 B1 A1 A2 -- A3 NAME OUT2 IN OUT1 GND SHDN RESET BP FUNCTION Regulator 2 Output. Guaranteed 150mA output current. Regulator Input Regulator 1 Output. Guaranteed 200mA output current. Ground. Also functions as a heatsink for the 6-pin QFN. Solder to a large pad or the circuit board ground plane to maximize thermal dissipation. Shutdown Input. A logic low shuts down both regulators. Connect to IN for normal operation. Reset Active-Low Open-Drain Output. Minimum timeout of 100ms. RESET is low in shutdown. Reference Noise Bypass. Connect to a 0.01F ceramic capacitor for reduced noise at both outputs.
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5
Dual Low-Dropout Linear Regulators with RESET or Low-Noise Output in UCSP or QFN MAX8530/MAX8531
Functional Diagram
IN
SHDN
SHUTDOWN AND POWER-ON CONTROL ERROR AMP MOS DRIVER WITH ILIMIT P OUT1
THERMAL SENSOR
1.25V REF
87% REF
DELAY RESET*
MAX8530 MAX8531
GND
N
BP**
LDO2
OUT2
* MAX8530 ONLY **MAX8531 ONLY
Detailed Description
The MAX8530/MAX8531 are low-power, low-dropout, low-quiescent current linear regulators with reset designed primarily for battery-powered applications. For preset output voltages, refer to the Output Voltage Selector Guide. Other combinations between 1.5V and 3.3V are available in 50mV increments. This device supplies loads up to 200mA for OUT1 and 150mA for OUT2. The MAX8530/MAX8531 consist of a 1.25V reference, error amplifiers, P-channel pass transistors, reset block, and internal feedback voltage-dividers. The 1.25V bandgap reference is connected to the error amplifier's inverting input. The error amplifier compares this reference with the feedback voltage and amplifies the difference. If the feedback voltage is lower than the
6
reference voltage, the pass-transistor gate is pulled lower, allowing more current to pass to the output and increasing the output voltage. If the feedback voltage is too high, the pass-transistor gate is pulled up, allowing less current to pass to the output. The output voltage is fed back through an internal resistor voltage-divider connected to the OUT_ pin.
RESET
The reset circuit is active at power-up and power-down. RESET is held low at power-up. The reset timing starts once the OUT1 voltage reaches 87% (typ) of its regulation voltage. The RESET signal goes high 200ms (typ) after the OUT1 voltage reaches 87% (typ) of its regulation voltage. At power-off, RESET goes low when the OUT1 voltage is below 87% (typ) of its regulation voltage.
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Dual Low-Dropout Linear Regulators with RESET or Low-Noise Output in UCSP or QFN
Shutdown
The MAX8530/MAX8531 have a single shutdown control input (SHDN). Drive SHDN low to shut down both outputs, reducing supply current to 10nA. Connect SHDN to a logic high, or IN, for normal operation.
Operating Region and Power Dissipation
The MAX8530/MAX8531s' maximum power dissipation depends on the thermal resistance of the case and circuit board, the temperature difference between the die junction and ambient air, and the rate of airflow. The power dissipation across the device is P = IOUT (VIN VOUT). Maximum power dissipation: PMAX = (TJ - TA)/(JB + BA) where TJ - TA is the temperature difference between the MAX8530/MAX8531 die junction and the surrounding air, JB (or JC) is the thermal resistance of the package, and BA is the thermal resistance through the printed circuit board, copper traces, and other materials to the surrounding air. The GND pin of the MAX853_ETT__ (6-lead QFN) performs the dual functions of providing an electrical connection to the ground and channeling heat away. Connect the GND pin and exposed pad to ground using a large pad or ground plane.
MAX8530/MAX8531
Internal P-Channel Pass Transistor
The MAX8530/MAX8531 feature two 1 P-channel MOSFET pass transistors. A P-channel MOSFET provides several advantages over similar designs using PNP pass transistors, including longer battery life. It requires no base drive, substantially reducing quiescent current. PNP-based regulators waste considerable current in dropout when the pass transistor saturates and also use high base-drive currents under heavy loads. The MAX8530/MAX8531 do not suffer these problems and consume only 150A of quiescent current whether in dropout, light-load, or heavy-load applications (see the Typical Operating Characteristics). Whereas a PNP-based regulator has dropout voltage that is independent of the load, a P-channel MOSFET's dropout voltage is proportional to load current, providing for low dropout voltage at heavy loads and extremely low dropout voltage at lighter loads.
Low-Noise Operation (MAX8531)
An external 0.01F bypass capacitor at BP, in conjunction with an internal resistor, creates a lowpass filter (see the Typical Application Circuit). The MAX8531 exhibits 40V RMS output voltage noise with C BP = 0.01F and C OUT = 2.2F (see the Output Noise Spectral Density vs. Frequency graph in the Typical Operating Characteristics).
Current Limit
The MAX8530/MAX8531 contain two independent current limiters, one for each regulator, which monitor and control the pass transistor's gate voltage and limit the output currents to 210mA and 165mA minimum. The output can be shorted to ground for an indefinite time without damaging the part.
Thermal-Overload Protection
Thermal-overload protection limits total power dissipation in the MAX8530/MAX8531. When the junction temperature exceeds TJ = +160C, the thermal sensor signals the shutdown logic, turning off the pass transistor and allowing the IC to cool. The thermal sensor turns the pass transistor on again after the IC's junction temperature cools by 10C, resulting in a pulsed output during continuous thermal-overload conditions. Thermal-overload protection is designed to protect the MAX8530/MAX8531 in the event of fault conditions. For continual operation, do not exceed the absolute maximum junction temperature rating of TJ = +150C.
INPUT 2.5V TO 6.5V
MAX8531 Typical Appication Circuit
IN CIN 2.2F
OUT1 2.2F
1.5V TO 3.3V AT 200mA
MAX8531
BP 10nF
ON OFF
SHDN GND
OUT2 1F
1.5V TO 3.3V AT 150mA
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7
Dual Low-Dropout Linear Regulators with RESET or Low-Noise Output in UCSP or QFN MAX8530/MAX8531
Applications Information
Capacitor Selection and Regulator Stability
Use a 2.2F capacitor on the MAX8530/MAX8531s' inputs. Larger input capacitor values with lower ESRs provide better supply-noise rejection and line-transient response. To reduce noise and improve load transients, use large-output capacitors, up to 10F. For stable operation over the full temperature range and with rated maximum load currents, use a minimum of 2.2F (or 1F for <150mA loading for OUT1) and 1F for OUT2. Note that some ceramic dielectrics exhibit large capacitance and ESR variation with temperature. With dielectrics such as Z5U and Y5V, it is necessary to use 4.7F or more to ensure stability at temperatures below -10C. With X7R or X5R dielectrics, 2.2F is sufficient at all operating temperatures. These regulators are optimized for ceramic capacitors. Tantalum capacitors are not recommended. currents, and the transient response. Increase the output capacitor's value and decrease its ESR to attenuate transient spikes.
Input/Output (Dropout Voltage)
A regulator's minimum input/output voltage differential (or dropout voltage) determines the lowest usable supply voltage. In battery-powered systems, this determines the useful end-of-life battery voltage. Because the MAX8530/MAX8531 use a P-channel MOSFET pass transistor, their dropout voltage is a function of drain-tosource on-resistance (RDS(ON)) multiplied by the load current (see the Typical Operating Characteristics).
Calculating the Maximum Output Power in UCSP
The maximum output power of the MAX8530/MAX8531 can be limited by the maximum power dissipation of the package. Obtain the maximum power dissipation by calculating the power dissipation of the package as a function of the input voltage, output voltage, and output currents. The maximum power dissipation should not exceed the package's maximum power rating: P = (VIN(MAX) - VOUT1) x IOUT1 + (VIN(MAX) - VOUT2) x IOUT2 where: VIN(MAX) = Maximum input voltage PMAX = Maximum power dissipation of the package (308mW for UCSP and 1951mW for the QFN package) VOUT1 = Output voltage of OUT1 VOUT2 = Output voltage of OUT2 IOUT1 = Maximum output current of OUT1 IOUT2 = Maximum output current of OUT2 P should be less than PMAX. If P is greater than PMAX, consider using the QFN package.
PSRR and Operation from Sources Other than Batteries
The MAX8530/MAX8531 is designed to deliver low dropout voltages and low quiescent currents in batterypowered systems. Power-supply rejection is 60dB at low frequencies (see the Power-Supply Rejection Ratio vs. Frequency graph in the Typical Operating Characteristics). When operating from sources other than batteries, improve supply-noise rejection and transient response by increasing the values of the input and output bypass capacitors and through passive filtering techniques.
Load-Transient Considerations
The MAX8530/MAX8531 load-transient response graphs (see the Typical Operating Characteristics) show two components of the output response: a DC shift in the output voltage because of the different load
8
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Dual Low-Dropout Linear Regulators with RESET or Low-Noise Output in UCSP or QFN
Pin Configurations
TOP VIEW
GND A1 SHDN A2 RESET (BP*) A3
MAX8530/MAX8531
TOP VIEW
OUT2 IN OUT1 1 2 3 MAX8530ETT (MAX8531ETT) 6 5 4 RESET (BP*) SHDN GND
MAX8530EBT (MAX8531EBT)
B1 OUT1 *MAX8531 ONLY B2 IN B3 OUT2
*MAX8531 ONLY
THIN QFN
UCSP
Output Voltage Selector Guide
PART MAX8530EBTJ2 MAX8530EBTJO MAX8530EBTKG MAX8530ETTP2 MAX8530ETTO2 MAX8530ETTK2 MAX8530ETTKO MAX8531EBTJJ MAX8531EBTGG MAX8531ETTGG VOUT1 2.85 2.85 2.8 2.5 2.6 2.8 2.8 2.85 3.0 3.0 VOUT2 1.8 2.6 3.0 1.8 1.8 1.8 2.6 2.85 3.0 3.0 TOP MARK ACR ACA ACT AET AES AER AEQ ACG ACI AEF
Chip Information
TRANSISTOR COUNT: 1720 PROCESS: BiCMOS
Note: Contact the factory for other output voltages between 1.5V and 3.3V. The minimum order quantity is 25,000 units.
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9
Dual Low-Dropout Linear Regulators with RESET or Low-Noise Output in UCSP or QFN MAX8530/MAX8531
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.)
PACKAGE OUTLINE, 6, 8 & 10L, QFN THIN (DUAL), EXPOSED PAD, 3x3x0.80 mm
21-0137
C
10
______________________________________________________________________________________
6, 8, &10L, QFN THIN.EPS
Dual Low-Dropout Linear Regulators with RESET or Low-Noise Output in UCSP or QFN
Package Information (continued)
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.)
MAX8530/MAX8531
COMMON DIMENSIONS SYMBOL A D E A1 L k A2 MIN. 0.70 2.90 2.90 0.00 0.20 MAX. 0.80 3.10 3.10 0.05 0.40
0.25 MIN 0.20 REF.
PACKAGE VARIATIONS PKG. CODE T633-1 T833-1 T1033-1 N 6 8 10 D2 1.50-0.10 1.50-0.10 1.50-0.10 E2 2.30-0.10 2.30-0.10 2.30-0.10 e 0.95 BSC 0.65 BSC 0.50 BSC JEDEC SPEC MO229 / WEEA MO229 / WEEC MO229 / WEED-3 b 0.40-0.05 0.30-0.05 0.25-0.05 [(N/2)-1] x e 1.90 REF 1.95 REF 2.00 REF
PACKAGE OUTLINE, 6, 8 & 10L, QFN THIN (DUAL), EXPOSED PAD, 3x3x0.80 mm
21-0137
C
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11
Dual Low-Dropout Linear Regulators with RESET or Low-Noise Output in UCSP or QFN MAX8530/MAX8531
Package Information (continued)
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.)
6L, UCSP.EPS
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 (c) 2003 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.

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