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SP2524
Low ESR Cap. & Low Power High-speed CMOS LDO With CE Pin
DESCRIPTION The SP2524 series are highly precise, low noise, positive voltage LDO regulators manufactured using CMOS processes. The series achieves high ripple rejection and low dropout and consists of a standard voltage source, an error correction, current limiter and a phase compensation circuit plus a driver transistor. The series is also compatible with low ESR ceramic capacitors which give added output stability. This stability can be maintained even during load fluctuations due to the excellent transient response of the series. The current limiter's feedback circuit also operates as a short protect for the output current limiter and the output pin. The CE function enables the output to be turned off, resulting in greatly reduced power consumption. The SP2524 family is compatible with low ESR capacitors. The current limiter's feedback circuit also operates as a short protect for the output current limiter. The SOT-23-5L / SOT-353 packages are available for portable electronic equipment. APPLICATIONS Battery Power Equipment Cellular Phone Digital Cameras Computer Disk Drivers Portable games Communication tools
FEATURES Highly Accurate 2% Maximum operation voltage 7V. Dropout Voltage 200mV @ 150mA (3.3V type) High Ripple Rejection 45dB (10 KHz) Low Power Consumption 25A (TYP.) Minimum Output Current 300mA Standby Current less than 0.1A Internal protector current limiter and short protector Small packages SOT-23-5L / SOT-353 , and other required
PIN CONFIGURATION SOT-23-5L
SOT-353
PART MARKING SOT-23-5L
SOT-353
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SP2524
Low ESR Cap. & Low Power High-speed CMOS LDO With CE Pin
APPLCATION CIRCUIT
PIN DESCRIPTION SOT-23-5L 1 2 3 4 5 SOT-353 1 2 3 4 5 Symbol VIN VSS CE NC VOUT Description Voltage Input Ground Enable No Connect Voltage Output
ORDERING INFORMATION ( X : Voltage Code ; Y : Year Code ; W: Week Code ) Part Number Package Part Marking SP2524XS25RG SOT-23-5L 4XYW SP2524XS35RG SOT-353 4XYW Week Code : A ~ Z ( 1 ~ 26 ) ; a ~ z ( 27 ~ 52 ) SP2524XS25RG : Tape Reel ; Pb - Free SP2524XS35RG : Tape Reel ; Pb - Free
VOLTAGE CODE INFORMATION Voltage Code (X) D K N S
Output Voltage (V) 1.8 2.5 2.8 3.3
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SP2524
Low ESR Cap. & Low Power High-speed CMOS LDO With CE Pin
BLOCK DIAGRAM
TEST CIRCUIT Circuit 1 : Circuit 2 :
ABSOULTE MAXIMUM RATINGS (TA=25 Unless otherwise specified) Parameter Input Voltage Output Current Output Voltage Thermal Resistance Power Dissipation Operation Junction Temperature Range Storage Temperature Range JA PD Symbol VIN IOUT VOUT SOT-23-5L SOT-353 SOT-23-5L SOT-353 TJ TSTG Value 7 500 VSS-0.3 ~ VIN+0.3 260 105 1150 950 -40 ~ +85 -55 ~ +125 Unit V mA V /W mW TJ TSTG
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SP2524
Low ESR Cap. & Low Power High-speed CMOS LDO With CE Pin
ELECTRICAL CHARACTERISTICS (TA=25 , Unless otherwise specified) Parameter Output Voltage Maximum Output Current Load Regulation Dropout Voltage Supply Current Standby Current Line Regulations Input Voltage Output Voltage Temperature Characteristics Ripple-Rejection Ripple-Rejection Short Current CE High Voltage CE Low Voltage CE High Current CE Low Current Conditions VIN=VOUT+1.0V,IOUT= 30mA VINVOUT+1.0 V VIN=VOUT+1.0 V VOUT 2 1.0 mA IOUT 300 mA Vdif 1 IOUT=30mA Vdif 2 IOUT=150mA IDD VIN=5V=VCE ISTBY VIN=VOUT(T)+1.0V, VCE=VSS VOUT / VOUT+0.5 V VIN7V ( VIN - VOUT ) IOUT=30 mA VIN VOUT / VIN=VOUT+1.0V,IOUT=10mA (Topr - VOUT) -40Topr85 |PSRR| |PSRR| Ishort VCEH VCEL ICEH ICEL VIN=VOUT+1.0Vf=1 kHz Vrip=0.5Vrms, IOUT=60 mA VIN=VOUT+1.0Vf=10 kHz Vrip=0.5Vrms, IOUT=60 mA VIN=VOUT+1.0V, VOUT=VSS 1.6 VIN= VCE = VOUT(T)+1.0V VIN=VOUT(T)+1.0V, VCE=VSS -0.1 -0.1 Symbol VOUT(E) 1 IOUT Min.
x 0.98
Typ.
VOUT(T)
Max.
x 1.02 VOUT(T) X1.0%
300
Unit V mA V mV mV uA uA %/V V
ppm/
dB dB
15
E1 E2 25 0.01 0.025
40 0.1 0.1 7
1.8
100
55 45 50 Vin 0.25 0.1 0.1
mA V V uA uA
(NOTE 1) VOUT(T) = Specified Output Voltage (NOTE 2) VOUT(E) = Effective Output Voltage (le. The output voltage when "VOUT(T)+1.0V" is provided at the VIN pin while maintaining a certain IOUT value.) (NOTE 3) Vdif = {VIN 1 (NOTE5) + VOUT 1 (NOTE4)} (NOTE 4) VOUT1 = A voltage equal to 98% of the Output Voltage whenever an amply stabilized IOUT {VOUT(T) + 1.0V} is input. (NOTE 5) VIN 1 = The Input Voltage when VOUT 1 appears as Input Voltage is gradually decreased. (NOTE 6) Unless otherwise stated, VIN = VOUT(T)+1.0V
DROPOUT VOLTAGE LIST ( E1 / E2 ) VOUT
(TA=25)
1.8 2.5 2.8 3.3
E1 (IOUT=30mA) TYP MAX 180 210 60 100 60 100 50 90
E2( IOUT=150mA) TYP MAX 350 400 240 290 220 270 200 250
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SP2524
Low ESR Cap. & Low Power High-speed CMOS LDO With CE Pin
PERFORMANCE CHARACTERISTICS ( Voltage Code = Z ; 2.5V )
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SP2524
Low ESR Cap. & Low Power High-speed CMOS LDO With CE Pin
PERFORMANCE CHARACTERISTICS ( Voltage Code = Z ; 2.5V )
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SP2524
Low ESR Cap. & Low Power High-speed CMOS LDO With CE Pin
PERFORMANCE CHARACTERISTICS ( Voltage Code = Z ; 2.5V )
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SP2524
Low ESR Cap. & Low Power High-speed CMOS LDO With CE Pin
SOT-23-5L PACKAGE OUTLINE
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SP2524
Low ESR Cap. & Low Power High-speed CMOS LDO With CE Pin
SOT-353 PACKAGE OUTLINE
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SP2524
Low ESR Cap. & Low Power High-speed CMOS LDO With CE Pin
Information provided is alleged to be exact and consistent. SYNC Power Corporation presumes no responsibility for the penalties of use of such information or for any violation of patents or other rights of third parties which may result from its use. No license is granted by allegation or otherwise under any patent or patent rights of SYNC Power Corporation. Conditions mentioned in this publication are subject to change without notice. This publication surpasses and replaces all information previously supplied. SYNC Power Corporation products are not authorized for use as critical components in life support devices or systems without express written approval of SYNC Power Corporation. (c)The SYNC Power logo is a registered trademark of SYNC Power Corporation (c)2004 SYNC Power Corporation - Printed in Taiwan - All Rights Reserved SYNC Power Corporation 9F-5, No.3-2, Park Street NanKang District (NKSP), Taipei, Taiwan 115 Phone: 886-2-2655-8178 Fax: 886-2-2655-8468 (c)http://www.syncpower.com
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