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MAS9160ACAH-T

2-Output LDO Voltage Regulator IC

Micro Analog Systems Oy 

DA9160.004

13 March 2003

MAS9160

2-Output LDO Voltage Regulator IC

• Dual Regulator: 2 × 150 mA

• Very Low Crosstalk

• Low Dropout: 70 mV

• High Ripple Rejection: 60 dB

• Low Noise: 30 µVrms

• Stable with Low-ESR Output

Capacitors

• Separate Enable/Disable Control

for Both Regulators

DESCRIPTION

MAS9160 is a voltage regulator IC with two low

dropout voltage regulators, which both have their

own enable/disable pin allowing the regulators to be

turned off or on separately by pulling the particular

control to low or high.

Due to the low noise level of only 30 µVrms,

MAS9160 is suitable for sensitive circuits, e.g., in

portable applications. In addition to the low noise

level, MAS9160 excels in dropout voltage (70 mV

typical at 50 mA) and in very good crosstalk

rejection. Also its ripple rejection ability of 60 dB at

1 kHz exceeds that of competition.

A wide range of values of Equivalent Series

Resistance (ESR) of output capacitors can be used

with MAS9160. This ESR range from a few mΩ up

to a couple of Ohms combined with no minimum

output current requirement makes the usage of

MAS9160 easier and low in cost.

In order to save power the device goes into sleep

mode when both regulators are disabled. An internal

thermal protection circuit prevents the device from

overheating. Also the maximum output current is

internally limited.

FEATURES

• Low Noise

• Functionally and Pin Compatible with LP2967

• Can Be Used w/o CBYPASS, see p. 9

• Internal Thermal Shutdown

• Short Circuit Protection

• MSOP-8/WL-CSP Package

• Several Output Voltage Options Available,

see Ordering Information p. 15

APPLICATIONS

• Cellular Phones

• Cordless Phones

• Accessories

• Pagers

• Battery Powered Systems

• Portable Systems

• Radio Control Systems

• Low Voltage Systems

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