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HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

S-1132 Series

The S-1132 Series is a positive voltage regulator with a low dropout voltage, high output voltage accuracy, and low current consumption (300 mA output current) developed based on CMOS technology. A 0.1 ?F small ceramic capacitorcan be used. It operates with low current consumption of 20 ?A typ. A built-in Output current protector prevents the load current

from exceeding the current capacitance ofthe output transistor.

Compared with the conventional 300 mA output current CMOS voltage regulators, high-density mounting is realized by using the super-small SNT-6A(H) package and a 0.1?F small ceramic capacitor. Also, the low current consumption makes the S-1132 series ideal for mobile devices.

?Features

?Output voltage: 1.5 V to 5.5 V, selectable in 0.1 V steps.

?Low ESR capacitor can be used: A ceramic capacitor of 0.1 ?F or more can be used for the output capacitor

?Wide input voltage range: 2.0 V to 6.5 V

?High-accuracy output voltage: ±1.0

?Low dropout voltage: 130 mV typ. (3.0 V output product, IOUT =100 mA)

?Low current consumption: During operation: 20 ?A typ., 40 ?A max.

During shutdown: 0.01 ?A typ., 1.0 ?A max.

?Output current: 300 mA output is possible (at VIN ≥VOUT(S) +1.0 V)

?High ripple rejection: 70 dB typ. (at 1.0 kHz)

?Built-in overcurrent protector: Overcurrent of output transistor can be restricted.

?Built-in ON/OFF circuit: Ensures long battery life.

?Small package: SOT-23-5, SOT-89-5, SNT-6A(H)

?Lead-free products

*1. Attention should be paid to the power dissipation of the package when the output current is large.

?Applications

?Power supply for battery-powered devices

?Power supply for personal communication devices

?Power supply for home electric/electronic appliances

?Power supply for cellular phones