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FEATURES High efficiency: 95.0% @ 20Vin, 15.0V/3A Small size and low profile: 17.8x15.0x7.8mm (0.70"x0.59"x0.31") Output voltage adjustment: 8.0V~15.0V Monotonic startup into normal and pre-biased loads Input UVLO, output OCP Remote ON/OFF Output short circuit protection Fixed frequency operation Copper pad to provide excellent thermal performance ISO 9001, TL 9000, ISO 14001, QS9000, OHSAS18001 certified manufacturing facility UL/cUL 60950 (US & Canada) Recognized, and TUV (EN60950) Certified CE mark meets 73/23/EEC and 93/68/EEC directives Delphi Series IPM24S0C0, Non-Isolated, Integrated Point-of-Load Power Modules: 20V~36V input, 8.0~15.0V and 3A Output The Delphi Series IPM24S0C0 non-isolated, fully integrated Point-of-Load (POL) power modules, are the latest offerings from a world leader in power systems technology and manufacturing -- Delta Electronics, Inc. This product family provides up to 3A of output current or 45W of output power in an industry standard, compact, IC-like, molded package. It is highly integrated and does not require external components to provide the point-of-load function. A copper pad on the back of the module; in close contact with the internal heat dissipation components; provides excellent thermal performance. The assembly process of the modules is fully automated with no manual assembly involved. These converters possess outstanding electrical and thermal performance, as well as extremely high reliability under highly stressful operating conditions. IPM24S0C0 operates from a 20V~36V source and provides a programmable output voltage from 8.0V to 15.0V. The IPM product family is available in either a SMD or SIP package. IPM24S family is also available for output 1.2V~2.5V or 3.3V~6.5V. Please refer to IPM24S0A0 and IPM24S0B0 datasheets for details. DATASHEET IPM24S0C0S/R03 A_07312006 OPTIONS SMD or SIP package APPLICATIONS Telecom/DataCom Wireless Networks Optical Network Equipment Server and Data Storage Industrial/Test Equipment Delta Electronics, Inc. TECHNICAL SPECIFICATIONS TA = 25C, airflow rate = 300 LFM, Vin = 24Vdc, nominal Vout unless otherwise noted. PARAMETER ABSOLUTE MAXIMUM RATINGS Input Voltage (Continuous) Operating Temperature Storage Temperature INPUT CHARACTERISTICS Operating Input Voltage Input Under-Voltage Lockout Turn-On Voltage Threshold Turn-Off Voltage Threshold Maximum Input Current No-Load Input Current Off Converter Input Current Input Reflected-Ripple Current Input Voltage Ripple Rejection OUTPUT CHARACTERISTICS Output Voltage Set Point Output Voltage Adjustable Range Output Voltage Regulation Over Line Over Load Over Temperature Total Output Voltage Range Output Voltage Ripple and Noise Peak-to-Peak RMS Output Current Range Output Voltage Over-shoot at Start-up Output DC Current-Limit Inception DYNAMIC CHARACTERISTICS Dynamic Load Response Positive Step Change in Output Current Negative Step Change in Output Current Setting Time to 10% of Peak Devitation Turn-On Transient Start-Up Time, From On/Off Control Start-Up Time, From Input Output Voltage Rise Time Maximum Output Startup Capacitive Load EFFICIENCY Vo=8.0V Vo=15.0V FEATURE CHARACTERISTICS Switching Frequency ON/OFF Control, (Logic High-Module ON) Logic High Logic Low ON/OFF Current Leakage Current GENERAL SPECIFICATIONS Calculated MTBF Weight NOTES and CONDITIONS IPM24S0C0R/S03FA Min. Typ. Max. 40 125 125 36 19.3 18.8 Units Vdc C C V V V A mA mA mAp-p dB Vdc V % Vo,set % Vo,set %Vo,set/ % Vo,set mVp-p mV A % Vo,set % Io mVpk mVpk s ms ms ms F F % % kHz Vin,max 0.8 1 50 V V mA A M hours grams 0 -40 -55 20 Please refer to Fig.32 for the measuring point Vin=Vin,min to Vin,max, Io=Io,max P-P 0.5H inductor, 5Hz to 20MHz 120 Hz Vin=24V, Io=Io,max, Ta=25 Vin=Vin,min to Vin,max Io=Io,min to Io,max Ta=Ta,min to Ta,max Over sample load, line and temperature 5Hz to 20MHz bandwidth Full Load, 1F ceramic, 100F OS-conx2 Full Load, 1F ceramic, 100F OS-conpx2 Vo>8.0Vdc Vin=20V to 36V, Io=0A to 3A, Ta=25 100FX2 OS-CON & 1F Ceramic load cap, 0.5A/s 50% Io, max to 100% Io, max 100% Io, max to 50% Io, max Io=Io.max Time for Vo to rise from 10% to 90% of Vo,set, Full load; ESR 15m Full load; ESR 12m Vin=24V, Io=Io,max, Ta=25 Vin=24V, Io=Io,max, Ta=25 5 17 17 9 50 50 17 200 1200 7.88 8.0 50 3 60 TBD 8.0 0.3 0.3 0.01 -3.0 50 25 0 0 130 75 75 200 10 150 8.12 15.0 0.025 +3.0 100 50 3 1 200 200 300 89.0 91.5 91.0 93.5. 300 Module On Module Off Ion/off at Von/off=0 Logic High, Von/off=5V Io=80% Io,max, Ta=25 2.4 -0.2 0.25 13.04 6 DS_IPM24S0C0_07312006 2 ELECTRICAL CHARACTERISTICS CURVES Figure 1: Converter efficiency vs. output current (8.0V output voltage) Figure 2: Converter efficiency vs. output current (15.0V output voltage) Figure 3: Output ripple & noise at 36Vin, 8.0V/3A out Figure 4: Output ripple & noise at 36Vin, 15.0V/3A out Figure 5: Power on waveform at 24vin, 8.0V/3A out with application of Vin Figure 6: Power on waveform at 24vin, 8.0V/3A out with application of Vin DS_IPM24S0C0_07312006 3 ELECTRICAL CHARACTERISTICS CURVES Figure 7: Power off waveform at 24vin, 8.0V/3A out with application of Vin Figure 8: Power off waveform 24vin,15.0V/3A out with application of Vin Figure 9: Remote turn on delay time at 24vin, 8.0V/3A out Figure 10: Remote turn on delay time at 24vin, 8.0V/3A out Figure 11: Turn on delay at 24vin, 8.0V/3A out with application of Vin Figure 12: Turn on delay at 24vin, 15.0V/3A out with application of Vin DS_IPM24S0C0_07312006 4 ELECTRICAL CHARACTERISTICS CURVES Figure 13: Typical transient response to step load change at 0.5A/S from 100% to 50% of Io, max at 24Vin, 15.0V out (measurement with a 1uF ceramic Figure 14: Typical transient response to step load change at 0.5A/S from 50% to 100% of Io, max at36Vin, 6.5V out (measurement with a 1uF ceramic) DS_IPM24S0C0_07312006 5 TEST CONFIGURATIONS TO OSCILLOSCOPE DESIGN CONSIDERATIONS Input Source Impedance VI(+) L 2 100uF Electrolytic BATTERY 3.3uF Ceramic VI(-) To maintain low-noise and ripple at the input voltage, it is critical to use low ESR capacitors at the input to the module. Figure 26 shows the input ripple voltage (mVp-p) for various output models using 2x100uF low ESR electrolytic capacitors (Rubycon P/N:50YXG100, 100uF/50V or equivalent) and 1x3.3.0 uF very low ESR ceramic capacitors (TDK P/N: C4532JB1H335M, 3.3uF/50V or equivalent). The input capacitance should be able to handle an AC ripple current of at least: Irms = Iout Vout Vout 1 - Vin Vin Arms Note: Input reflected-ripple current is measured with a simulated source inductance. Current is measured at the input of the module. Figure 15: Input reflected-ripple current test setup COPPER STRIP Vo 100uFx2 1uF OS-con ceramic SCOPE Resistive Load GND Note: Use a 100Fx2 OS-son and 1F capacitor. Scope measurement should be made using a BNC connector. Figure 16: Peak-peak output noise and startup transient measurement test setup CONTACT AND DISTRIBUTION LOSSES Figure 18: Input ripple voltage for various output models, Io = 3A (Cin =2x100uF electrolytic capacitors 1x3.3uF ceramic capacitors at the input) VI II SUPPLY Vo Io LOAD GND CONTACT RESISTANCE The power module should be connected to a low ac-impedance input source. Highly inductive source impedances can affect the stability of the module. An input capacitance must be placed close to the modules input pins to filter ripple current and ensure module stability in the presence of inductive traces that supply the input voltage to the module. Figure 17: Output voltage and efficiency measurement test setup Note: All measurements are taken at the module terminals. When the module is not soldered (via socket), place Kelvin connections at module terminals to avoid measurement errors due to contact resistance. =( DS_IPM24S0C0_07312006 Vo x Io ) x 100 % Vi x Ii 6 DESIGN CONSIDERATIONS Remote On/Off The IPM series power modules have an On/Off control pin for output voltage remote On/Off operation. The On/Off pin is an open collector/drain logic input signal that is referenced to ground. When On/Off control pin is not used, leave the pin unconnected. The remote on/off pin is internally connected to +5Vdc through an internal pull-up resistor. Figure 27 shows the circuit configuration for applying the remote on/off pin. The module will execute a soft start ON when the transistor Q1 is in the off state. The typical rise for this remote on/off pin at the output voltage of 2.5V and 5.0V are shown in Figure 17 and 18. FEATURES DESCRIPTIONS Over-Current Protection To provide protection in an output over load fault condition, the unit is equipped with internal over-current protection. When the over-current protection is triggered, the unit enters hiccup mode. The units operate normally once the fault condition is removed. Output Voltage Programming The output voltage shall be externally adjustable by use of a Trim pin. The module output shall be adjusted by either a voltage source referenced to ground or an external resistor be connected between trim pin and Vo or ground. To trim-down using an external resistor, connect a resistor between the Trim and Vo pin of the module. To trim up using an external resistor, connect the resistor between the Trim and ground pins of the module. The value of resistor is defined below. The module outputs shall not be adversely affected (regulation and operation) when the Trim pin is left open. IPM can also be programmed by applying a voltage between the TRIM and GND pins (Figure 20). The following equation can be used to determine the value of Vtrim needed for a desired output voltage Vo: Trim up Vin Vo IPM On/Off RL Q1 GND Figure 19: Remote on/off implementation Rtrim = (Vout-0.7)*1.91 Vadj-Vout (K) Trim Down Rtrim = (Vadj-0.7)*20 Vout-Vadj (K) Rtrim is the external resistor in K Vout is the desired output voltage DS_IPM24S0C0_07312006 7 FEATURES DESCRIPTIONS (CON.) Table 1 Rtrim is the external resistor in K; Vout is the desired output voltage Output Measurement R.trim_Up R.trim_Down 0A NC V NC 2K V NC Rtrim setting () NC 215K V Vo Vadj 8.0 15.0 Vadj 8.0*(1-10%) Figure 20: Trim up Circuit configuration for programming output voltage using an external resistor Vout Rtrim Load Trim The amount of power delivered by the module is the voltage at the output terminals multiplied by the output current. When using the trim feature, the output voltage of the module can be increased, which at the same output current would increase the power output of the module. Care should be taken to ensure that the maximum output power of the module must not exceed the maximum rated power (Vo.set x Io.max P max). Voltage Margining Output voltage margining can be implemented in the IPM modules by connecting a resistor, Rmargin-up, from the Trim pin to the ground pin for margining-up the output voltage and by connecting a resistor, Rmargin-down, from the Trim pin to the output pin for margining-down. Figure 32 shows the circuit configuration for output voltage margining. If unused, leave the trim pin unconnected. GND Figure 21: Trim down Circuit configuration for programming output voltage using an external resistor Vin Vo IPM On/Off Trim Rmargin-down Q1 Rmargin-up Figure 22: Circuit configuration for programming output voltage using external voltage source GND Rtrim Q2 Table 1 provides Rtrim values required for some common output voltages. By using a 0.5% tolerance resistor, set point tolerance of 2% can be achieved as specified in the electrical specification. Figure 23: Circuit configuration for output voltage margining DS_IPM24S0C0_07312006 8 THERMAL CONSIDERATIONS Thermal management is an important part of the system design. To ensure proper, reliable operation, sufficient cooling of the power module is needed over the entire temperature range of the module. Convection cooling is usually the dominant mode of heat transfer. Hence, the choice of equipment to characterize the thermal performance of the power module is a wind tunnel. THERMAL CURVES Thermal Testing Setup Delta's DC/DC power modules are characterized in heated vertical wind tunnels that simulate the thermal environments encountered in most electronics equipment. This type of equipment commonly uses vertically mounted circuit cards in cabinet racks in which the power modules are mounted. The following figure shows the wind tunnel characterization setup. The power module is mounted on a test PWB and is vertically positioned within the wind tunnel. The height of this fan duct is constantly kept at 25.4mm (1''). Figure 25: Temperature measurement location * The allowed maximum hot spot temperature is defined at 125. Output Current(A) IPM24S (Standard) Output Current vs. Ambient Temperature and Air Velocity @ Vin=24V, Vout = 8V (Either Orientation) 3 Thermal Derating Heat can be removed by increasing airflow over the module. To enhance system reliability, the power module should always be operated below the maximum operating temperature. If the temperature exceeds the maximum module temperature, reliability of the unit may be affected. FACING PWB PWB Natural Convection 2 100LFM 200LFM 300LFM 1 0 50 55 60 65 70 75 80 85 Ambient Temperature () Figure 26: Output current vs. ambient temperature and air velocity @ Vin=24V, Vout=8V(Either Orientation) MODULE Output Current(A) IPM24S (Standard) Output Current vs. Ambient Temperature and Air Velocity @ Vin=24V, Vout = 15V (Either Orientation) 3 AIR VELOCITY AND AMBIENT TEMPERATURE MEASURED BELOW THE MODULE AIR FLOW Natural Convection 50.8 (2.0") 2 100LFM 200LFM 300LFM 1 400LFM 12.7 (0.5") 25.4 (1.0") Note: Figure dimensions are in millimeters and (inches) Figure 24: Wind tunnel test setup 0 50 55 60 65 70 75 80 85 Ambient Temperature () Figure 27: Output current vs. ambient temperature and air velocity @ Vin=24V, Vo=15V(Either Orientation) DS_IPM24S0C0_07312006 9 PICK AND PLACE LOCATION SURFACE- MOUNT TAPE & REEL All dimensions are in millimeters (inches) All dimensions are in millimeters (inches) LEAD FREE PROCESS RECOMMEND TEMP. PROFILE Temp. Peak Temp. ~ 220 210 200 150 Ramp down max. 4 /sec Preheat time 90~150 sec Ramp up max. 3 /sec Time Limited 60 sec above 210 25 Time Note: All temperature refers to topside of the package, measured on the package body surface. LEADED (Sn/Pb) PROCESS RECOMMEND TEMP. PROFILE Temp. Peak Temp. ~ 225 183 150 100 Preheat time 60~150 sec Ramp up max. 3 /sec 60 ~ 120 sec Ramp down max. 4 /sec 25 Time Note: All temperature refers to assembly application board, measured on the land of assembly application board. DS_IPM24S0C0_07312006 10 Mechanical Drawing SMD PACKAGE SIP PACKAGE 12345 RECOMMEND PWB PAD LAYOUT RECOMMEND PWB HOLE LAYOUT 7 6 12345 12345 Note: The copper pad is recommended to connect to the ground. ALL DIMENSION ARE IN MILLIMETERS (INCHES) STANDARD DIMENSION TOLERANCE IS 0.10(0.004") DS_IPM24S0C0_07312006 11 PART NUMBERING SYSTEM IPM Product Family Integrated POL Module 24 Input Voltage 24 -20V ~ 36V S Number of Outputs S - Single 0C0 Output Voltage 0C0 - programmable output 8.0V~15.0V S Package R - SIP S - SMD 03 Output Current 03 - 3A F A Option Code F- RoHS 6/6 (Lead Free) A - Standard Function MODEL LIST Model Name IPM24S0A0S/R03FA IPM24S0B0S/R03FA Input Voltage 8V ~ 36V 11V ~ 36V Output Voltage 1.2V ~ 2.5V 3.3V ~ 6.5V Output Current 3A 3A Efficiency (Full load@12Vin) 85% 91% Model Name IPM24S0C0S/R03FA Input Voltage 20V ~ 36V Output Voltage 8.0V~15.0V Output Current 3A Efficiency (Full load@20Vin) 95% CONTACT: www.delta.com.tw/dcdc USA: Telephone: East Coast: (888) 335 8201 West Coast: (888) 335 8208 Fax: (978) 656 3964 Email: DCDC@delta-corp.com Europe: Telephone: +41 31 998 53 11 Fax: +41 31 998 53 53 Email: DCDC@delta-es.tw Asia & the rest of world: Telephone: +886 3 4526107 x6220 Fax: +886 3 4513485 Email: DCDC@delta.com.twT WARRANTY Delta offers a two (2) year limited warranty. Complete warranty information is listed on our web site or is available upon request from Delta. Information furnished by Delta is believed to be accurate and reliable. However, no responsibility is assumed by Delta for its use, nor for any infringements of patents or other rights of third parties, which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Delta. Delta reserves the right to revise these specifications at any time, without notice. DS_IPM24S0C0_07312006 12 |
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