HV850

________________________________________________________________________________

Supertex, Inc.

1/21/04

2

Ordering Information

Package

Device

MSOP-8

Die

HV850

HV850MG*

HV850X

Absolute Maximum Ratings*

Vdd, Supply Voltage

-0.5V to 4.5V

Operating Temperature

-25°C to +85°C

Storage Temperature

-65°C to +150°C

Power Dissipation MSOP-8

300mW

*Absolute Maximum Ratings are those values beyond which damage

to the device may occur. Functional operation under these conditions is

not implied. Continuous operation of the device at the absolute rating

level may affect device reliability. All voltages are referenced to device

ground.

Symbol

Parameter

Min

Typ

Max

Units

Conditions

Quiescent current

150

nA

EN=0V

Peak output voltage

63

70

77

V

Peak to Peak output voltage

126

140

154

V

No load.

EL lamp frequency

225

250

275

Hz

Ω or

CLK=32KHz

Operating current

16

mA

Peak output voltage

54

61

68.5

V

Peak to Peak output voltage

110

122

134

V

EL lamp frequency

250

294

338

Hz

Ω,

Load=3.3nF+1K

Ω

Output voltage rise time

1.5

ms

90% of final value

Logic Inputs

Symbol

Parameter

Min

Typ

Max

Units

Conditions

Input logic low voltage

0

0.5

V

Input logic high voltage

2.0

V

Input logic low current

1.0

µA

Input logic high current

1.0

µA

Enable input rise time (for delay turn off)

0.01

10

ms

Enable input fall time (for delay turn off)

10µ

5

s

Using external R-C

circuit, see Figure 2.

Logic input capacitance

10

pF

Recommended Operating Conditions

Symbol

Parameter

Min

Typ

Max

Units

Conditions

Input voltage

3.0

4.2

V

EL lamp frequency

50

500

Hz

EL lamp capacitance

0

3.5

nF

Operating Temperature

-25

+85

°C

V

DD

R

EL

EN

Clk-in

V

B

GND

V

A

Clk-en

MSOP

(top View)

Pin Configuration

*Product supplied on 2500 piece Carrier Tape Reels.