Datasheet > R1171S151A-E2-FE

R1171S151A-E2-FE

更新时间： 2022-12-29 21:42:56

品牌	Logo	应用领域
理光 - RICOH		/
页数	文件大小	规格书
24页	451K
描述
2.0A/1.5A LDO REGULATOR

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R1171S151A-E2-FE 数据手册

R1171x SERIES

2.0A/1.5A LDO REGULATOR

OUTLINE

NO. EA-125-111027

The R1171x Series are CMOS-based positive voltage regulator ICs. The R1171x Series have features of low

dropout voltage, high output voltage accuracy, low consumption current. Each of these ICs consists of a voltage

reference unit, an error amplifier, resistor net for setting output voltage, a current limit circuit at short mode, a

chip enable circuit, and thermal shutdown circuit. The output voltage of R1171 is fixed in the IC.

Low consumption current by the merit of CMOS process and built-in transistors with low ON-resistance make

low dropout voltage and chip enable function prolongs the battery life. These regulators are remarkable

improvement on the current regulators in terms of input transient response, and load transient response.

Thus, the R1171x Series are suitable for various power sources.

Since the packages for these ICs are high wattage HSOP-6J package, TO-252-5-P1, high density mounting of

the ICs on boards is possible.

FEATURES

• Supply Current............................................................. Typ. 130μA

• Standby Current........................................................... Typ. 0.1μA

• Output Current ............................................................. Min. 1.5A (V^IN=VOUT+1.0V, R1171Sxx1A/B)

Min. 2.0A (V^IN=VOUT+1.0V, R1171Jxx1C/D)

• Input Voltage ................................................................ 2.1V to 6.0V

• Output Voltage ............................................................. 1.5V to 5.0V (0.1V steps) (R1171Sxx1A/B)

1.8V to 5.0V (0.1V steps) (R1171Jxx1C/D)

(For other voltages, please refer to MARK INFORMATIONS.)

• Output Voltage Accuracy.............................................. ± 2.0%

• Dropout Voltage ........................................................... Typ. 0.09V (V^OUT=3.0V, IOUT=300mA)

• Temperature-drift Coefficient of Output Voltage........... Typ. ± 100ppm/°C

• Line Regulation............................................................ Typ. 0.05%/V

• Packages ..................................................................... HSOP-6J, TO-252-5-P1

• Built-in Current Limit Circuit

• Built-in Thermal Shutdown Circuit

• Ceramic capacitor for phase compensation ................ C^IN=COUT=Ceramic 10μF (VOUT<1.8V)

C^IN=COUT=Ceramic 4.7μF (VOUT 1.8V)

APPLICATIONS

• Local Power source for Notebook PC.

• Local Power source for portable appliances, cameras, and videos.

• Local Power source for equipment of battery-use.

• Local Power source for home appliances.

12 3 4 5 6 7...24

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