MAS9128AS View Datasheet(PDF) - Micronas

Part Name

Description

Manufacturer

MAS9128AS

LDO Voltage Regulator IC

Micronas 

DA9128A.002

July 12, 1998

0$6$

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The MAS9128A is voltage regulator IC with three

2.85V LDO regulators providing voltage regulation

for the handset terminal. The output voltages of the

three regulators can be modified through a mask

option. Two enable/disable pins control the state of

the regulators. In order to save power the device

goes into sleep mode when all regulators are

disabled. An internal thermal protection circuit

prevents the device from overheating. The

maximum output current is limited internally.

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• 2.85V regulators at 100mA, 70mA and 50mA

• Output accuracy <±3%

• Fast dynamic response

• Low output noise

• Low supply current: 150µA per regulator

• SO8 package

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• Mobile phones

• Cordless phones

• Battery powered systems

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ENA

&

LDO_A

(100mA)

OUTA

ENBC

Temperature

Protection

&

&

LDO_B

(70mA)

&

LDO_C

(50mA)

OUTB

OUTC

Bandgap

Reference

VREF

VCC GND

1

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