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SS6577

Rev.1.02 3/26/2004

Supply Voltage (VIN) …………......……………...............…………………….................25V

Drive Supply Voltage (BOOST) …………………………………………………..…………32V

Switch Voltage (SW)

………………………………………………………………… 25V

Differential Boost Voltage (BOOST to SW ) ………………………………………………..8V

………………………………………………………………….7V

Peak Drive Output Current < 10

µS (DRI ) ………………………………………………….2A

Operating Temperature Range

……...............…….………………….......-40

°C ~ 85°C

Thermal Resistance (

SOP8

……………………………………………………………………160

°C/W

MSOP8

……………………………………………………………………180

°C/W

Storage Temperature Range

…...................…………………. -65

°C ~ 150°C

Lead Temperature ( Soldering, 10sec )

…………………………………….300

°C

TEST CIRCUIT

Refer to Typical Application Circuit.

PARAMETER

TEST CONDITIONS

MIN.

TYP.

MAX.

UNIT

Input Voltage

4.5

24

V

Normal Mode (Note 2)

720

900

µA

Input Supply Current

16

20

µA

Feedback Voltage

0.788

0.8

0.812

V

∆Output Overvoltage Lockout

20

55

90

mV

Reference Voltage Line

Regulation

0.002

0.015

%/V

Output Voltage Load Regula-

tion

0.7

-0.4

1.1

-0.8

%

Run Threshold

0.6

0.8

0.9

V

Maximum Current Sense

Threshold

125

150

175

mV

Oscillator Frequency

450

500

550

kHz