S-1112 SII [Seiko Instruments Inc], S-1112 Datasheet

S-1112

Manufacturer Part Number

S-1112

Description

HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR

Manufacturer

SII [Seiko Instruments Inc]

Datasheet

1.S-1112.pdf (29 pages)

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Current page: 1 of 29
Download datasheet (389Kb)

Rev.5.0

HIGH RIPPLE-REJECTION AND LOW DROPOUT

CMOS VOLTAGE REGULATOR

Features

Applications

Packages

• Output voltage:

• High-accuracy output voltage:

• Low dropout voltage:

• Low current consumption:

• High peak current capability:

• Built-in ON/OFF circuit:

• Low ESR capacitor can be used: A ceramic capacitor of 0.47 µF or more can be used for the output

• High ripple rejection:

• Built-in overcurrent protector:

• Small package:

• Lead-free products

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

• Power supply for battery-powered devices

• Power supply for personal communication devices

• Power supply for home electric/electronic appliances

• Power supply for cellular phones

SNT-6A(H)

SOT-23-5

Package name

_00

MP005-A

Package

1.5 V to 5.5 V, selectable in 0.1 V steps.

±1.0%

190 mV typ. (3.0 V output product, I

During operation: 50 µA typ., 90 µA max.

During shutdown: 0.1 µA typ., 1.0 µA max.

150 mA output is possible (at V

Ensures long battery life.

capacitor.

80 dB typ. (at 1.0 kHz)

Overcurrent of output transistor can be restricted.

SNT-6A(H)(S-1112 series only), SOT-23-5

PI006-A

Seiko Instruments Inc.

The S-1112/1122 Series is a positive voltage

regulator with a low dropout voltage, high output

voltage accuracy, and low current consumption

developed based on CMOS technology.

A built-in low on-resistance transistor provides a

low dropout voltage and large output current, and a

built-in overcurrent protector prevents the load

current from exceeding the current capacitance of

the output transistor. An ON/OFF circuit ensures a

long battery life. Compared with the voltage

regulators using the conventional CMOS process,

a larger variety of capacitors are available,

including small ceramic capacitors.

6A(H) (S-1112 Series only) and SOT-23-5 packages

realize high-density mounting. In SOT-23-5 , t he

lineup includes the S-1112 and S-1122 Series,

which differ in pin configuration.

Drawing code

MP005-A

PI006-A

Tape

≥ V

OUT

OUT(S)

S-1112/1122 Series

= 100 mA)

+ 1.0 V)

MP005-A

PI006-A

Reel

Small SNT-

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