IR43x1

© 2013 International Rectifier

Recommended Operating Conditions

For proper operation, the device should be used within the recommended conditions below. The Vss and Vs

parameters are absolute voltages referenced to COM; all currents are defined positive into any lead.

Symbol

Definition

Min.

Max.

Units

Positive power supply rail voltage, without

heatsink

IR4301

-

62

V

IR4321

-

50

IR4311

-

32

Positive power supply rail voltage, with

heatsink

IR4301

-

68

IR4321

-

50

IR4311

-

32

High side floating supply absolute voltage

High side floating supply offset voltage

IR4301

†

80

IR4321

†

60

IR4311

†

40

Floating input positive supply voltage

††

Floating input negative supply voltage

††

IR4301

0

80

IR4321

0

60

IR4311

0

40

Floating input supply zener clamp current

††

1

15

mA

Floating input negative supply zener clamp current

††

1

15

Low side fixed supply voltage

10

15

V

IN- and IN+ pins common mode input voltage

Inverting input voltage

CSD pin input voltage

COMP pin input voltage

COMP pin phase compensation capacitor to GND

1

-

nF

CSH pin input voltage

V

dVss/dt

Allowable Vss voltage slew rate upon power-up

†††

-

50

V/ms

Switching Frequency

-

500

kHz

Ambient Temperature

-40

100



C

† Logic operational for Vs equal to –5V to +80V. Logic state held for Vs equal to –5V to –VBS.

††† Vss ramps up from 0V to 70V.

April 22, 2013