S-1137A1J-U5T1G datasheet, PDF

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S-1137A1J-U5T1G: DescriptionIC REG LIN 1.85V 300MA SOT89-5; Categorysemiconductor Power management; File Size842KB，47 Pages; ManufacturerABLIC; Environmental Compliance

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S-1137A1J-U5T1G Overview

IC REG LIN 1.85V 300MA SOT89-5

S-1137A1J-U5T1G Parametric

Parameter Name	Attribute value
Output configuration	just
Output type	fixed
Number of voltage regulators	1
Voltage - input (maximum)	5.5V
Voltage - Output (minimum/fixed)	1.85V
Voltage - Output (maximum)	-
Pressure drop (maximum)	0.42V @ 300mA
Current - Output	300mA
Current - static (Iq)	1µA
Current - Power (maximum)	65µA
PSRR	70dB（1kHz）
Control characteristics	Enable, soft start
Protective function	Overcurrent
Operating temperature	-40°C ~ 85°C（TA）
Installation type	surface mount
Package/casing	SOT-89-5/6
Supplier device packaging	SOT-89-5

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S-1137 Series

www.ablic.com

www.ablicinc.com

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

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:

A

typ., 65

A

max.

During power-off:

0.1

A

typ., 1.0

A

max.

Possible to output 300 mA (V



OUT(S)



1.0 V)

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

= 1.0 nF)

Limits overcurrent of output transistor.

Ensures long battery life.

Ta =

40C

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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