HV859(2006) Ver la hoja de datos (PDF) - Supertex Inc

Número de pieza

componentes Descripción

Fabricante

HV859
(Rev.:2006)

High Voltage EL Lamp Driver for Low Noise Applications

Supertex Inc 

Functional Block Diagram

VDD

RSW-OSC

GND

RSW-OSC

Switch

OSC

C

Disable

VREF

VDD

VSENSE

Switch

OSC

Q

High Q

Voltage

Level

Trans-

lators Q

Q

HV859

LX

CS

VA

VB

Figure 1: Typical Application/Test Circuit

ON = VDD

OFF = 0V

Enable Signal

VDD

560kΩ

+

VDD = VIN

-

2.0MΩ

1.0µF

1 VDD

VA 8

2 RSW-osc

VB 7

3 REL-osc

CS 6

4 GND

LX 5

HV859MG/

HV859K7

* Murata Inductor - LQH32CN221K21

** BAS21 - General Purpose HV diode

Equivalent to 3.0in2 lamp

2.0kΩ

10nF

BAS21**

220µH*

3.3nF

200V

NR040306

3

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