GM66150 GAMMA [Gamma Microelectronics Inc.], GM66150 Datasheet

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GM66150

Manufacturer Part Number

GM66150

Description

1.5A ULTRA LOW DROPOUT VOLTAGE REGULATORS

Manufacturer

GAMMA [Gamma Microelectronics Inc.]

Datasheet

1.GM66150.pdf (19 pages)

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Download datasheet (216Kb)

2009/5/18

Application

Description

Typical Application Circuits

The GM66150 series of positive fixed and

adjustable regulators is designed to provide up

to 1.5A output with high current, high accuracy,

and extremely low dropout voltage performance.

These regulators feature 300 to 350mV (full

load) dropout voltages, and very low ground

current. Although designed for high current loads,

these devices are also useful in lower current,

extremely low dropout critical systems, where the

minimal dropout voltage and ground current

values are important characteristics.

TheGM66150 is fully protected against over

current, reversed input polarity (or reversed

battery connection), reversed lead insertion, over

temperature operation, and transient voltage

spikes (positive or negative).

Five lead fixed voltage versions feature logic

level ON/OFF control and an error flag which

signals whenever the output falls out of

regulation.

For GM66151 and GM66152, the ENABLE pin

may be tied to V

control. The GM66150 ser ies is available in

3-pin and 5-pin TO-220 and surface mount

SOT-223 and TO-263 packages.

5V ± 5%

High Efficiency Linear Regulators

Post Regulators for Switching Supplies

High Efficiency "Green" Computer

Systems

Fixed Voltage Version

GM66150-3.3

IN

if it is not required for ON/OFF

3.3V ± 1% @1.5A

47µF

V

1.5A ULTRA LOW DROPOUT VOLTAGE

IN

Features

Adjustable Voltage Version

GM66150 Series

Battery Powered Equipment

Automotive Electronic

Ultra Low Dropout Voltage of 350mV @

1.5A with Low Ground Current

Fixed and Adjustable Voltage Versions

Output Current up to 1.5A

Guaranteed 1% Accurate Tolerance

Extremely Fast Transient Response

Reverse-battery Protection

"Load Dump" Protection

Zero-Current shutdown mode(5-pin

versions) Error flag signals output

out-of-regulation (5-pin versions)

10µF

R1

R2

www.gammamicro.com.tw

22µF

V

V

s

OUT

OUT

= 1.24V X [1 + (R1 /R2)]

REGULATORS

1

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