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S-1121B46MC-N3FTFG

Description
LDO Voltage Regulators LINEAR LDO REG HI 50UA IQ 150MA IOUT
Categorysemiconductor    Power management   
File Size891KB,26 Pages
ManufacturerSeiko-Instruments
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S-1121B46MC-N3FTFG Overview

LDO Voltage Regulators LINEAR LDO REG HI 50UA IQ 150MA IOUT

S-1121B46MC-N3FTFG Parametric

Parameter NameAttribute value
Product CategoryLDO Voltage Regulators
ManufacturerSeiko-Instruments
RoHSDetails
Mounting StyleSMD/SMT
Package / CaseSOT-23-5
Output Current1 A
PackagingReel
Factory Pack Quantity3000
Unit Weight0.000222 oz
S-1111/1121 Series
www.sii-ic.com
© Seiko Instruments Inc., 2002-2015
HIGH RIPPLE-REJECTION LOW DROPOUT
CMOS VOLTAGE REGULATOR
The S-1111/1121 Series is a positive voltage regulator with a low dropout voltage, high-accuracy output
voltage, 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 protection circuit prevents the load current from exceeding the current capacity of the output
transistor. An ON/OFF circuit ensures a long battery life, and small SOT-23-5 package realize high-density
mounting. The lineup includes the S-1111 and S-1121 Series, which differ in pin configuration.
Output voltage:
Output voltage accuracy:
Dropout voltage:
Current consumption:
Output current:
Ripple rejection:
Built-in overcurrent protection circuit:
Built-in ON/OFF circuit:
Operation temperature range:
Lead-free, Sn 100%, halogen-free
*2
1.5 V to 5.5 V, selectable in 0.1 V step
±1.0%
200 mV typ. (3.0 V output product, I
OUT
= 100 mA)
During operation: 35
μA
typ., 65
μA
max.
During power-off: 0.1
μA
typ., 1.0
μA
max.
Possible to output 150 mA (V
IN
V
OUT(S)
+
1.0 V)
*1
70 dB typ. (f = 1.0 kHz)
Limits overcurrent of output transistor.
Ensures long battery life.
Ta =
−40°C
to
+85°C
Package
SOT-23-5
NO
T
RE
CO
MM
Power supply for battery-powered device
Power supply for personal communication device
Power supply for home electric/electronic appliance
Power supply for cellular phone
EN
Applications
DE
*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.
D
FO
R
NE
W
Features
DE
SI
G
N
Seiko Instruments Inc.
Rev.5.1
_00
1
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