3

HV853

Functional Block Diagram

Feedback

MOSFET

Full Bridge

REL

VDD

VA

VB

EN

GND

CLKIN

CLKEN

High

Voltage

Level

Trans-

lators

EL

Oscillator

Capacitor

Charge

Pump Circuit

Typical Output Waveform

t

rout

Output voltage rise time

-

450

-

µs

0V to 90% of final value

t

fout

Output voltage fall time

150

-

-

µs

90% to 10% of final value

Logic Inputs

V

IL

Input logic low voltage

0

-

0.5

V

---

V

IH

Input logic high voltage

2.0

-

V

DD

V

---

I

IL

Input logic low current

-

-

1.0

µA

---

I

IH

Input logic high current

-

-

1.0

µA

---

EN

rise

Enable input rise time (for delay turn off) 0.01

-

10

ms

Using external R-C circuit,

see Figure 2

EN

fall

Enable input fall time (for delay turn off)

10µ

-

5.0

s

C

in

Logic input capacitance

-

-

10

pF

---

Sym

Parameter

Min

Typ

Max

Units Conditions

(Over recommended operating conditions unless otherwise specified, T