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UTC L2800

LINEAR INTEGRATED CIRCUIT

SWITCHING REGULATOR

CONTROLLER(LOW VOLTAGE)

DESCRIPTION

The UTC L2800 is a single-channel switching

regulator control IC for low voltage applications

incorporating a soft start function and short circuit

detection function. The device has a low minimum

operating voltage of 1.8V and is ideal for the power

supply of battery-operated electronic equipment.

SOP-8

FEATURES

*Wide supply voltage operating range: 1.8V~15V

*Low current consumption: Typically 5.5mA in

operation,1碌A(chǔ) or less in stand-by

*High speed operation is possible: Maximum 1MHz

*The error amplifier gain is set inside the IC,so

peripheral components are minimized.

*Incorporates a soft start circuit.

*Incorporates a timer-latch type short circuit detection

circuit (SCP).

*Totem-pole type output with adjustable on/off current

(for NPN transistors)

*Incorporates a stand-by function.

TSSOP-8

PIN CONFIGURATION

-IN

SCP

1

8

FB

2

7

OSC

Vcc

3

6

GND

OUT

BR/CTL

4

5

UTC

UNISONIC TECHNOLOGIES CO., LTD.

1

QW-R121-010,A

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