HV853 Ver la hoja de datos (PDF) - Supertex Inc

Número de pieza

componentes Descripción

Fabricante

HV853

High Voltage, Low Noise, Inductorless EL Lamp Driver

Supertex Inc 

HV853

Electrical Characteristics (cont.)

(Over recommended operating conditions unless otherwise specified, TA = 25ºC)

Sym Parameter

Min Typ

trout

Output voltage rise time

-

450

tfout

Output voltage fall time

Logic Inputs

150

-

VIL

Input logic low voltage

0

-

VIH Input logic high voltage

2.0

-

IIL

Input logic low current

-

-

IIH

Input logic high current

-

-

ENrise Enable input rise time (for delay turn off) 0.01

-

ENfall Enable input fall time (for delay turn off) 10µ

-

Cin

Logic input capacitance

-

-

Max Units Conditions

-

µs

1.0in2 lamp

0V to 90% of final value

-

µs 90% to 10% of final value

0.5

V ---

VDD

V ---

1.0

µA ---

1.0

µA ---

10

ms Using external R-C circuit,

5.0

s see Figure 2

10

pF ---

Typical Output Waveform

Functional Block Diagram

VDD

EN

CLKIN

CLKEN

REL

VDD

Capacitor

Charge

Pump Circuit

VSENSE

High

Voltage

VA

Level

Feedback

Trans-

lators

VDD

VB

EL

Oscillator

MOSFET

Full Bridge

GND

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

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