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HV9801A

更新时间： 2024-11-11 11:00:47

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HV9801A 数据手册

Supertex inc.

HV9801A

Switch Dimmable

LED Driver

Features

► Four level switch dimming

General Description

The HV9801A LED driver is ideally suited for switch dimmable

applications using LED bulbs and ﬁxtures.

► Very accurate current regulator

► Output over-current / short circuit protection

► IC over-temperature protection

► Available in 8L-SOIC and 16L-SOIC packages

Through switch dimming, the lamp can be adjusted to four

discrete brightness levels by rapid cycling of the light switch.

The brightness levels are traversed in up and down manner.

Brightness resumes at the highest level when power is

removed for more than a second.

Applications

► Switch dimmable LED bulbs and ﬁxtures

The device can be powered directly from rectiﬁed AC through

an internal VDD regulator rated at 450V.

Typical Application Circuit

VIN

BUS

VIN

GATE

HV9801A

GND

VDD

CDD

RCS

Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com

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