HV9801ALG-G Ver la hoja de datos (PDF) - Supertex Inc

Número de pieza

componentes Descripción

Fabricante

HV9801ALG-G

Switch Dimmable LED Driver

Supertex Inc 

HV9801A

Pin Description

Pin #

8-Lead

SOIC

16-Lead

SOIC

Function Description

Connect to bridge rectifier output. Supplies power to the VDD regulator. Detects

1

1

VIN

light switch power-off event through loss of bridge rectifier output voltage. Do not

connect excessive capacitance before or after the bridge so as to allow VIN to

drop rapidly after loss of power.

2

4

CS Current sense input.

3

5

GND Ground.

4

8

GATE Gate driver output.

VDD regulator output. Connect a high frequency bypass and a hold-up capacitor at

6

12

VDD VDD. Bypass capacitor to be 100nF minimum. See applications section for hold-up

capacitance.

8

14

RT Off-time programming input. Connect programming resistor to GND.

2, 3, 6, 7,

5, 7

9, 10, 11, DNC Caution! DNC means Do Not Connect!

13, 15, 16

Doc.# DSFP-HV9801A

B051412

7

Supertex inc.

www.supertex.com

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