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S-T111B54MC-OHNTFG

Description
IC reg ldo 5.4V 0.15a sot23-5
Categorysemiconductor    Analog mixed-signal IC   
File Size237KB,23 Pages
ManufacturerSeiko
Environmental Compliance  
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S-T111B54MC-OHNTFG Overview

IC reg ldo 5.4V 0.15a sot23-5

S-T111 Series
www.sii-ic.com
© Seiko Instruments Inc., 2003-2010
HIGH RIPPLE-REJECTION
LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.3.0
_00
The S-T111 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. A small SOT-
23-5 package realizes high-density mounting.
Features
Output voltage:
High-accuracy output voltage:
Low dropout voltage:
Low current consumption:
1.5 V to 5.5 V, selectable in 0.1 V steps.
±1.0%
190 mV typ. (3.0 V output product, I
OUT
=
100 mA)
During operation: 50
μA
typ., 90
μA
max.
During shutdown: 0.1
μA
typ., 1.0
μA
max.
High peak current capability:
150 mA output is possible (at V
IN
V
OUT(S)
+
1.0 V)
*1
Ensures long battery life.
Built-in ON/OFF circuit:
Low ESR capacitor can be used: A ceramic capacitor of 0.1
μF
or more can be used for the output
capacitor.
80 dB typ. (at 1.0 kHz)
High ripple rejection:
Overcurrent of output transistor can be restricted.
Built-in overcurrent protector:
*2
Lead-free, Sn 100%, halogen-free
*1.
Attention should be paid to the power dissipation of the package when the output current is large.
*2.
Refer to “
Product Name Structure”
for details.
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
Package
SOT-23-5
Seiko Instruments Inc.
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