Datasheet > HV832DB1

HV832DB1

更新时间： 2024-01-15 10:43:21

品牌	Logo	应用领域
超科 - SUPERTEX		驱动器
页数	文件大小	规格书
2页	446K
描述
Dual EL Lamp Driver

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HV832DB1 数据手册

HV832DB1

Dual EL Lamp Driver

Introduction

Specifications

Input Voltage

3.0V to 4.2V

40mA Max.

Up to 2.7in²

417Hz

The Supertex HV832DB1 demo board contains all necessary

circuitry to demonstrate the features of the HV832 dual EL lamp

driver.

Supply Current

Lamp Size Range

Lamp Frequency

Converter Frequency

Simply connect it to a power supply and a lamp as shown below.

For additional assistance in designing EL driver circuits, please

refer to application notesAN-H33 (effect of external components

on performance of Supertex EL drivers), application note AN-

H44 (HV832 application circuits), and AN-H43 (EL lamp driver

circuits to reduce lamp audible noise).

53.4KHz

Board Layout and Connections

EL2

Com

EL1

Com

CDD

HV832

Diode

EN-SW

GND

CIN

V_INInductor Supply

Demo Board Connections:

Control lamp selection/Enable Input (EN-SW)

Supplies the high voltage power converter. Connect to positive

terminal of a power supply.

Various modes of the device are selected via the control pin/EN-

SW. Each logic pulse applied to the control pin/EN-SW will

cause the device to change to the next mode. The sequence for

the modes is: 1) EL1 on, 2) EL2 on, 3) both EL1 and EL2 on, and

4) device shuts down. This input may be connected to a

mechanical switch, or to a logic circuit output that has a source

impedance of less than 20KΩ.

GND Circuit Ground

Connect to V_DDand V_INnegative terminals. Supply bypass

capacitor for both V_DDand V_INare provided on the demo board.

External supply bypass capacitors are not necessary.

EL1 and EL2 Lamp Connections

Connects to lamps 1 and 2. Polarity is irrelevant.

V_DDIC Supply

Com Lamp Connections

Supplies the HV832 EL driver IC. The supplied circuit is

optimized for 3.0 to 4.2 volt operations. Connect to positive

terminal of a power supply.

Connectstotheothersideoflamps1and2. Polarityisirrelevant.

12/14/01

Supertex Inc. does not recommend the use of its products in life support applications and will not knowingly sell its products for use in such applications unless it receives an adequate "products liability

indemnification insurance agreement." Supertex does not assume responsibility for use of devices described and limits its liability to the replacement of devices determined to be defective due to

workmanship. No responsibility is assumed for possible omissions or inaccuracies. Circuitry and specifications are subject to change without notice. For the latest product specifications, refer to the

Supertex website: http://www.supertex.com. For complete liability information on all Supertex products, refer to the most current databook or to the Legal/Disclaimer page on the Supertex website.

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与HV832DB1相关器件

型号	品牌	获取价格	描述	数据表
HV832MG	SUPERTEX	获取价格	Dual High Voltage, Low Noise EL Lamp Driver
HV832MG-G	SUPERTEX	获取价格	EL Driver, 3-Segment, PDSO8, 3 X 3 MM, 1.10 MM HEIGHT, 0.65 MM PITCH, GREEN, MO-187AA, MSO
HV832X	SUPERTEX	获取价格	Dual High Voltage, Low Noise EL Lamp Driver
HV833	SUPERTEX	获取价格	High Voltage EL Lamp Driver
HV833	MICROCHIP	获取价格	HV833 is a high voltage driver designed for driving EL lamps of up to 35nF (10-12in2). The
HV833_07	SUPERTEX	获取价格	High Voltage EL Lamp Driver
HV833DB1	SUPERTEX	获取价格	EL Lamp Driver
HV833MG	SUPERTEX	获取价格	High Voltage EL Lamp Driver
HV833MG-G	SUPERTEX	获取价格	High Voltage EL Lamp Driver
HV833X	SUPERTEX	获取价格	High Voltage EL Lamp Driver

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