GPS,DSC,MP4,PDA,DVD Camera Notebook Data communication GND COUT. SOT23-5L ACP1217A ACP1217B Name Descriptions. 1 3 VIN Input voltage.

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GENERAL DESCRIPTION The series are positive voltage regulator fabricated by CMOS process. Each of these ICs consists of a voltage reference, an error amplifier, a resistor network for setting output voltage, a current limit circuit for current protection and a chip-enable circuit. The series feature high supply voltage ripple rejection, low dropout voltage, low noise, high output voltage accuracy, and low current consumption which make them ideal for use in various battery-powered devices. The chips are available two type pin configuration in standard SOT23-5L package. APPLICATION CIRCUIT FEATURES Maximum Output Current:300mA Dropout Voltage: 160mV at 300mA Maximum Operating Voltage: 2~6.0V Fixed Voltage Output:1.0, 1.2,1.5.1.8.2.5,3.0,3.3(V) Highly Accurate: ±2% Low Standby Current: 0.1μA (TYP.) Low Quiescent Current: 25μA (TYP.) Operational Temperature Range: -40~85 Excellent Load Regulation: 0.05%/V High Ripple Rejection: 73dB Typicalf=100Hz Compatible with Low ESR Ceramic Capacitor Current Limit, Enable and Discharge Function VIN VOUT APPLICATION Battery powered equipment CIN 1μF VCE=5V EN COUT 3.3μF GPS,DSC,MP4,PDA,DVD Camera Notebook Data communication GND Portable Games PIN CONFIGURATION SOT23-5L A B Name Descriptions 1 3 VIN Input voltage 1 5 2 2 GND Ground 2 3 4 3 4 EN Active high enable input pin. Logic high=enable, logic low=shutdown 4 5 NC No connection 5 1 VOUT Regulated output voltage 1

ORERING AND MARKING INFORMATION Standard Part NO. Vout Package Packing Min. Quantity RoHS A-10BTRAL 1.0V SOT23-5 Tape&Reel 3000PCS Lead Free A-12BTRAL 1.2V SOT23-5 Tape&Reel 3000PCS Lead Free A-15BTRAL 1.5V SOT23-5 Tape&Reel 3000PCS Lead Free A-18BTRAL 1.8V SOT23-5 Tape&Reel 3000PCS Lead Free A-25BTRAL 2.5V SOT23-5 Tape&Reel 3000PCS Lead Free A-27BTRAL 2.7V SOT23-5 Tape&Reel 3000PCS Lead Free A-28BTRAL 2.8V SOT23-5 Tape&Reel 3000PCS Lead Free A-30BTRAL 3.0V SOT23-5 Tape&Reel 3000PCS Lead Free A-33BTRAL 3.3V SOT23-5 Tape&Reel 3000PCS Lead Free B-10BTRAL 1.0V SOT23-5 Tape&Reel 3000PCS Lead Free B-12BTRAL 1.2V SOT23-5 Tape&Reel 3000PCS Lead Free B-15BTRAL 1.5V SOT23-5 Tape&Reel 3000PCS Lead Free B-18BTRAL 1.8V SOT23-5 Tape&Reel 3000PCS Lead Free B-25BTRAL 2.5V SOT23-5 Tape&Reel 3000PCS Lead Free B-27BTRAL 2.7V SOT23-5 Tape&Reel 3000PCS Lead Free B-28BTRAL 2.8V SOT23-5 Tape&Reel 3000PCS Lead Free B-30BTRAL 3.0V SOT23-5 Tape&Reel 3000PCS Lead Free B-33BTRAL 3.3V SOT23-5 Tape&Reel 3000PCS Lead Free ABSOLUTE MAXIMUM RATINGS Parameter Symbol Value Unit Input Voltage VIN 8 V Enable Input Voltage VCE -0.3 to VIN+0.3 V Output Current IOUT 300 ma Junction Temperature TJ 125 C Storage Temperature Range TSTG -40 to 150 C Lead Temperature (Soldering, 10sec) TLEAD 260 C Thermal Resistance θja 250 C /W 2

RECOMMENDED OPERATING CONDITIONS Parameter Symbol Min Max Unit Input Voltage VIN 2 6 V Operating Junction Temperature Range TJ -40 85 C ELECTRICAL CHARACTERISTICS (T J =25 o C, C IN =1µF, C OUT =1µF, Bold typeface applies over -40 o C T J 85 o C, unless otherwise specified.) Parameter Symbol Conditions Min Typ Max Unit VOUT>1.5V VOUTx0.98 VOUTx1.02 VOUT 1mA IOUT 30mA VOUT V VOUT<=1.5V VOUT-0.03 VOUT+0.03 Input Voltage VIN 2 6 V Output Current IOUT VIN-VOUT=1V 300 ma Load Regulation VRLOAD VIN=4.3V 1mA IOUT 300mA 60 100 mv Line Regulation VRLINE 2.8V VIN 6V IOUT=40mA 0.05 0.2 %/V IOUT=10mA 20 40 Dropout Voltage VDROP IOUT=100mA 150 300 IOUT=150mA 200 400 mv IOUT=200mA 250 500 Quiescent Current IQ VIN=4.3V, IOUT=0mA 25 50 µa Standby Current ISTD VIN=4.3V VCE in OFF mode 0.1 1 µa Power Supply Rejection Ratio PSRR Ripple 0.5Vp-p, f=1khz VIN=4.3V 70 db Temperature Coefficient VOUT/ T ±330 µv/ C IOUT=30mA ( VOUT/VOUT)/ T ±100 ppm/ C Short Current Limit ILIMIT VOUT=0V 500 ma RMS Output Noise VNOISE TA=25 C 10Hz f 100kHz 47 µvrms CE "High" Voltage CE input voltage "High" 1.5 V CE "Low" Voltage CE input voltage "Low" 0.25 V CE Pull-down Resistance RPD 2.0 5 10 mω 3

PERFORMANCE CHARACTERISTICS 1) vs. Output Current (with output short protection) 2) vs. Input Voltage 3) Dropout Voltage vs. Output Current 4) Ripple rejection vs. Frequency Dropout & Iout PSRR 4

PERFORMANCE CHARACTERISTICS(continued) 5) Line transient response Cin=Cout=1uF Iout=25mA vout=3.3v 5v 5v vin 4v vin 4v vout vout 6) Load transient response Cin=Cout=1uF Vin=4.5v Vout=3.3V 1mA 50mA Output Current 1mA 50mA Output Current 7) Start up from EN 8) Shut down from EN output output EN EN 5

PACKAGE INFORMATION SOT23-5L D e1 5 4 E1 E A 1 e 2 3 b A1 L C L1 Symbol Dimensions In Millimeters Dimensions In Inches Min. Max. Min. Max. A 0.90 1.10 0.036 0.044 A1 0.01 0.13 0.0004 0.0052 b 0.30 0.50 0.012 0.020 C 0.09 0.20 0.0036 0.008 D 2.80 3.00 0.112 0.120 E 2.50 3.10 0.100 0.124 E1 1.50 1.70 0.060 0.068 L 0.20 0.55 0.008 0.022 L1 0.35 0.80 0.014 0.032 e 0.95 Bsc. 0.038 Bsc. e1 1.90 Bsc. 0.076 Bsc. 0 10 0 10 6

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