IR43x2

7

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© 2012 International Rectifier

January 2, 2013

Recommended Operating Conditions

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

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

Symbol

Definition

Min

Max

Units

IR4302

-

46

IR4322

-

46

Positive power supply voltage, n=1-2, without

heatsink

IR4312

-

32

IR4302

-

62

IR4322

-

50

Positive power supply voltage, n=1-2, with

heatsink

IR4312

-

32

High side floating supply absolute voltage, n=1-2

IR4302

†

80

High side floating supply offset voltage, n=1-2

IR4312

†

40

Floating input positive supply voltage

††

IR4302

0

80

IR4322

0

60

Floating input negative supply voltage

††

IR4312

0

40

V

Floating input supply zener clamp current

††

1

15

Floating input negative supply zener clamp current

††

1

15

mA

Low side fixed supply voltage

10

15

IN- and IN+ pins common mode input voltage

Inverting input voltage, n=1-2

CSD pin input voltage

COMP pin input voltage, n=1-2

V

COMP pin phase compensation capacitor to GND , n=1-2

1

-

nF

CSH pin input voltage, n=1-2

V

dVss/dt

Allowable Vss voltage slew rate upon power-up

†††

-

50

V/ms

Switching Frequency

-

500

kHz

Ambient Temperature

-40

100

qC

†

††

†††

Vss ramps up from 0V to 70V.