UD05124L-AF5-R datasheet(1/9 Pages) UTC

No de pièce	UD05124L-AF5-R

Description	HIGH EFFICIENCY 1.5MHZ 1.2A SYNCHRONOUS STEP DOWN CONVERTER

PDF	9 Pages

Scroll/Zoom	100%

Fabricant	UTC [Unisonic Technologies]

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

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1 / 9 page

UNISONIC TECHNOLOGIES CO., LTD

UD05124

Advance

LINEAR INTEGRATED CIRCUIT

www.unisonic.com.tw

1 of 9

QW-R115-038.c

HIGH EFFICIENCY 1.5MHZ

1.2A SYNCHRONOUS STEP

DOWN CONVERTER



DESCRIPTION

The UTC UD05124 is a high efficiency, high frequency

synchronous DC-DC step-down converter. The 100% duty cycle

feature provides low dropout operation, extending battery life in

portable systems.

The internal synchronous switch increases efficiency and

eliminates the need for external schottky diode. At shutdown mode,

the input supply current is less than 1µA.

The UTC UD05124 fault protection includes over current

protection, short circuit protection, UVLO and thermal shutdown. The

Internal soft-start function prevents inrush current at turn-on.



FEATURES

* 2.5V ~ 6V Input Voltage Range

* 0.6V Reference Voltage

* 1.2A Output Current

* Low RDS(ON) for Internal Switch: 340 / 210mΩ (Top/Bottom)

* 1.5MHz Switching Frequency

* Internal 1ms Soft-Start Time

* Internal Compensation Function

* 100% Dropout Operation

* Input Over Voltage Protection

* Over Current Protection

* Short Circuit Protection

* Over Temperature Protection with Auto Recovery

SOT-25

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3

5

2

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

ORDERING INFORMATION

Ordering Number

Package

Packing

Lead Free

Halogen Free

UD05124L-AF5-R

UD05124G-AF5-R

SOT-25

Tape Reel

Numéro de pièce similaire - UD05124L-AF5-R

Fabricant	No de pièce	Fiches technique	Description
Unisonic Technologies	UD05121G-AF5-R	243Kb / 7P	Build-in soft start function
	UD05123	193Kb / 4P	2.25MHz, 1.2A, VFB=0.6V SYNCHRONOUS STEP-DOWN CONVERTER
	UD05123G-AF5-R	193Kb / 4P	2.25MHz, 1.2A, VFB=0.6V SYNCHRONOUS STEP-DOWN CONVERTER
	UD05123L-AF5-R	193Kb / 4P	2.25MHz, 1.2A, VFB=0.6V SYNCHRONOUS STEP-DOWN CONVERTER

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First Silicon Co., Ltd	FTD6811	1Mb / 16P	1.5MHz 1.2A Synchronous Step-Down Regulator

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UD05124L-AF5-R Fiches technique(PDF) 1 Page - Unisonic Technologies

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