S-1212BA0-S8T1U datasheet(1/58 Pages) SII

Part #	S-1212BA0-S8T1U

Description	LOW DROPOUT CMOS VOLTAGE REGULATOR

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Manufacturer	SII [Seiko Instruments Inc]

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S-1212B/D Series

www.sii-ic.com

HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION

LOW DROPOUT CMOS VOLTAGE REGULATOR

Rev.3.0_00

1

The S-1212B/D Series, developed by using high-withstand voltage CMOS process technology, is a positive voltage regulator

with a high-withstand voltage, low current consumption and high-accuracy output voltage, and has a built-in ON / OFF

circuit.

The S-1212B/D Series operates at the maximum operation voltage of 36 V and a low current consumption of 6.5

μA typ.,

and has a built-in low on-resistance output transistor which provides a very small dropout voltage and a large output current.

Also, a built-in overcurrent protection circuit to limit overcurrent of the output transistor and a built-in thermal shutdown circuit

to limit heat are included.



Features

• Output voltage:

2.5 V to 16.0 V, selectable in 0.1 V step

• Input voltage:

3.0 V to 36 V

• Output voltage accuracy:

±2.0% (Ta = +25°C)

• Current consumption:

During operation: 6.5

μA typ. (Ta = +25°C)

During power-off: 0.1

μA typ. (Ta = +25°C)

• Output current:

Possible to output 250 mA (at VIN

≥ VOUT(S) + 2.0 V)

*1

• Input capacitor:

A ceramic capacitor can be used. (1.0

μF or more)

• Output capacitor:

A ceramic capacitor can be used. (1.0

μF to 100 μF)

• Built-in overcurrent protection circuit: Limits overcurrent of output transistor.

• Built-in thermal shutdown circuit:

Detection temperature 165

°C typ.

• Built-in ON / OFF circuit:

Ensures long battery life.

• Built-in discharge shunt circuit:

Discharges the electric charge of the output capacitor during power-off.

(RLOW = 70 k

Ω typ.)

• Operation temperature range:

Ta =

−40°C to +105°C

• Lead-free (Sn 100%), halogen-free

*1. Please make sure that the loss of the IC will not exceed the power dissipation when the output current is large.



Applications

• Constant-voltage power supply for industrial equipment

• Constant-voltage power supply for home electric appliance



Packages

• TO-252-5S(A)

• HSOP-8A

• HSOP-6

• SOT-89-5

• HTMSOP-8

• SOT-23-5

Similar Part No. - S-1212BA0-S8T1U

Manufacturer	Part #	Datasheet	Description
ABLIC Inc.	S-1212B	1Mb / 60P	105°C OPERATION, 36 V INPUT, 250 mA VOLTAGE REGULATOR Rev.3.1_00
Seiko Instruments Inc	S-1212B33-E6T1U	3Mb / 58P	HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
	S-1212B33-E8T1U	3Mb / 58P	HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
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