KA7540D Datasheet

IC型號(hào)：
KA7540D
PDF描述：
Simple Dimming Ballast Control IC
文件大?。?/label>
105.52KB
PDF頁數(shù)：
14頁
芯片廠家：
SAMSUNG

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www.fairchildsemi.com

KA7540

Simple Dimming Ballast Control IC

Features

鈥?/div>

Internal soft start

No lamp protection

Voltage controlled dimming

Trimmed 1.5% internal bandgap reference

Under voltage lock out with 1.8V of hysteresis

Totem pole output with high state clamp

Low start-up and operating current

8-pin DIP & 8-pin SOP

Descriptions

The KA7540 provides simple and high performance

electronic ballast control functions. KA7540 is optimized for

electronic ballast requiring a minimum board area, reduced

component count and low power dissipation. Internal soft

start circuitry eliminates the need for an external soft start

PTC resistor. Voltage controlled dimming circuit is built into

the IC to control the lighting output in a wide range.

Protection circuitry has also been added to prevent switches

from burning out in no lamp condition. Output gate drive

circuit clamps power MOSFET gate voltage irrespective of

supply voltage.

8-DIP

Applications

鈥?Electronic Ballast

鈥?Lighting Control System

鈥?Half-bridge Drive Control System

8-SOP

Rev. 1.0.1

漏2001 Fairchild Semiconductor Corporation

制造商
Fairchild Semiconductor

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