UD05021G-AF5-R datasheet(1/7 Pages) UTC

No de pièce	UD05021G-AF5-R

Description	Thermal Shutdown Protection

PDF	7 Pages

Scroll/Zoom	100%

Fabricant	UTC [Unisonic Technologies]

Site Internet	http://www.utc-ic.com

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UNISONIC TECHNOLOGIES CO., LTD

UD05021

CMOS IC

www.unisonic.com.tw

1 of 7

QW-R115-010.A

2.0A 1.5MHZ SYNCHRONOUS

BUCK CONVERTER



DESCRIPTION

The UTC UD05021 is a monolithic synchronous buck regulator

with a built in internal power MOSFET. It achieves 2A continuous

output current fix switching frequency with excellent load and line

regulation.

Current mode operation provides fast transient response and

eases of loop stabilization.

Fault condition protection includes cycle-by-cycle current limiting,

output short circuit protection and thermal shutdown. In shutdown

mode the regulator draws less than 1μA of supply current. Internal

soft-start minimizes the inrush supply current at initial startup.



FEATURES

* 2.5V~5.5V input voltage range

* Up to 2A Output Current

* 150/120mΩ Internal Power MOSFET Switch

* Stable with Low ESR Output Ceramic Capacitors

* Up to 95% Efficiency

* Less than 1μA Shutdown Current

* 1.5Mhz Switching Frequency

* Thermal Shutdown Protection

* Current limit and short circuit protections.

* Output Adjustable from 1V to VIN

* Build-in soft start function



ORDERING INFORMATION

Ordering Number

Package

Packing

UD05021G-AF5-R

SOT-25

Tape Reel



MARKING

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