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S-1137B12-U5T1U

Description
IC REG LINEAR 1.2V 300MA SOT89-5
Categorysemiconductor    Power management   
File Size842KB,47 Pages
ManufacturerABLIC
Environmental Compliance
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S-1137B12-U5T1U Overview

IC REG LINEAR 1.2V 300MA SOT89-5

S-1137B12-U5T1U Parametric

Parameter NameAttribute value
Output configurationjust
Output typefixed
Number of voltage regulators1
Voltage - input (maximum)5.5V
Voltage - Output (minimum/fixed)1.2V
Voltage - Output (maximum)-
Pressure drop (maximum)0.67V @ 300mA
Current - Output300mA
Current - static (Iq)1µA
Current - Power (maximum)65µA
PSRR70dB(1kHz)
Control characteristicsEnable, soft start
Protective functionOvercurrent
Operating temperature-40°C ~ 85°C(TA)
Installation typesurface mount
Package/casingSOT-89-5/6
Supplier device packagingSOT-89-5
S-1137 Series
www.ablic.com
www.ablicinc.com
© ABLIC Inc., 2009-2015
HIGH RIPPLE-REJECTION LOW DROPOUT
SOFT-START FUNCTION CMOS VOLTAGE REGULATOR
Rev.2.1
_02
The S-1137 Series, developed using the CMOS technology, is a positive voltage regulator IC which has the low dropout
voltage, the high-accuracy output voltage and the soft-start function (300 mA output current).
A 1.0
F
small ceramic capacitor can be used. It operates with low current consumption of 45
A
typ.
The overcurrent protection circuit prevents the load current from exceeding the current capacity of the output transistor.
The ON / OFF circuit ensures longer battery life.
Compared to the conventional CMOS technology regulator ICs, various capacitors including small ceramic capacitors can be
used for this IC.
Furthermore, small SOT-89-5, SOT-23-5, and SNT-6A(H) packages realize high-density mounting.
Features
Output voltage:
Input voltage:
Output voltage accuracy:
Dropout voltage:
Current consumption:
Output current:
Input and output capacitors:
Ripple rejection:
Built-in soft-start circuit:
Built-in overcurrent protection circuit:
Built-in ON / OFF circuit:
Pull-down resistor is selectable.
Discharge shunt function is selectable.
Operation temperature range:
Lead-free, Sn 100%, halogen-free
*2
1.2 V to 3.5 V, selectable in 0.05 V step
1.7 V to 5.5 V
1.0%
(1.2 V to 1.45 V output product :
15
mV)
210 mV typ. (2.8 V output product, I
OUT
= 300 mA)
During operation:
45
A
typ., 65
A
max.
During power-off:
0.1
A
typ., 1.0
A
max.
Possible to output 300 mA (V
IN
V
OUT(S)
1.0 V)
*1
A ceramic capacitor of 1.0
F
or more can be used.
70 dB typ. (f = 1.0 kHz)
Soft-start time : 0.7 ms typ. (C
SS
= 1.0 nF)
Limits overcurrent of output transistor.
Ensures long battery life.
Ta =
40C
to
85C
*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
Constant-voltage power supply for battery-powered device
Constant-voltage power supply for cellular phone, portable device
Constant-voltage power supply for digital still camera, TV, DVD recorder
Packages
SOT-89-5
SOT-23-5
SNT-6A(H)
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