Datasheet > HV9906DB2

HV9906DB2

更新时间： 2024-09-27 22:16:27

品牌	Logo	应用领域
超科 - SUPERTEX		控制器
页数	文件大小	规格书
4页	278K
描述
Off-Line Current Source Controller

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HV9906DB2 数据手册

HV9906DB2

Off-Line Current Source Controller

Introduction

The board is optimized for driving a 6V 400mA

The Supertex HV9906DB2 demo board contains all

circuitry necessary to demonstrate the features of the

HV9906 second order power supply controller. The

power converter of the demo board consists of an

input buck-boost stage and an output buck stage.

The output voltage polarity is negative. Due to its

unique quadratic input-to-output DC voltage transfer

ratio, the converter can operate directly off AC line to

produce low-voltage output without need for

(700mA max.) LED. However, it may be modified to

meet custom requirements.

Specification

Input Voltage

Output Current

Output Voltage

Efficiency

80 to 135VAC, 60Hz

400mA ±10% (700mA max.)

10V max.

electrolytic capacitors. HV9906 is designed for

optimal controlling this type of power converter or

other types of two-stage multi-converters.

62% at Io=500mA, Vin=100VAC

Board Layout and Connections

WARNING!!!

Do not connect to scope ground or to the ground of other earth-grounded instruments. Doing so will short the AC line,

resulting in damage to the circuit and/or instruments. Either use an isolation transformer on the AC line, use a

differential probe, or use a floating, battery-powered instrument to make measurements.

WARNING!!!

No galvanic isolation. Dangerous voltages are present when connected to the AC mains.

07/23/02

Supertex, Inc. 1235 Bordeaux Drive, Sunnyvale, CA 94089 TEL: (408) 744-0100 FAX: (408) 222-4895 www.supertex.com

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