as1372-bwlt-33 austriamicrosystems, as1372-bwlt-33 Datasheet

as1372-bwlt-33

Manufacturer Part Number

as1372-bwlt-33

Description

350ma Dual Rail Linear Regulator

Manufacturer

austriamicrosystems

Datasheet

1.AS1372-BWLT-33.pdf (14 pages)

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D a ta s h e e t

A S 1 3 7 2

3 5 0 m A D u a l R a i l L i n e a r R e g u l a t o r

1 General Description

The AS1372 is a Dual Supply Rail Linear Regulator

designed for providing ultra-low voltages.

In a typical application the battery is directly connected

to V

Converter.

The very low quiescent currents together with the

excellent transient features and the superior dropout are

making the AS1372 an ideal device for applications

running on batteries.

The robust design ensures that no under-voltage failure

can occur and the device is also equipped with an

internal protection against over-temperature and over-

current.

The device is available in fixed output voltages from

0.5V up to 2.2V in 100mV steps (50mV from 0.5V to

1.1V).

The AS1372 is available in a 5-bumps CS-WLP package

and is qualified for -40°C to +85°C operation.

www.austriamicrosystems.com/LDOs/AS1372

Figure 1. AS1372 - Typical Application Diagram

BIAS

and V

is connected to the output of a DC-DC

Revision 1.01

2 Key Features

3 Applications

The devices are ideal for powering cordless and mobile

phones, MP3 players, PDAs, hand-held computers,

digital cameras, and any other hand-held and/or battery-

powered device.

Input Voltage: 0.7V to 4.5V

Bias Supply Voltage: 2.5V to 5.5V

Output Voltage: 0.5V to 2.2V in 100mV steps

Output Voltage Accuracy: ±1.5%

Dropout Voltage 135mV @ 350mA load

Max. Output Current: 350mA

Load Transient Response: ±15mV (typ.)

Superior Efficiency

Low Shutdown Current: 10nA

High PSRR: >80dB @ 10Hz-1kHz, 60db @100kHz

Noise Voltage: 50µV

Integrated Overtemperature/Overcurrent Protection

Chip Enable Input

Operating Temperature Range: -40°C to +85°C

5-bumps CS-WLP Package

RMS

from 10Hz to 1000kHz

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