ISL78223

9

FN7936.1

January 2, 2013

SOFT-START

Charging Current (Sourcing)

SS = 3V

55

70

81

µA

SS Clamp Voltage

4.4

4.500

4.65

V

SS Discharge Current

SS = 2V

10

30

-

mA

Reset Threshold Voltage

0.23

0.27

0.33

V

OUTPUT

High Level Output Voltage (VOH)

-

0.5

1.0

V

Low Level Output Voltage (VOL)

-

0.3

1.0

V

Rise Time

-

110

200

ns

Fall Time

-

90

150

ns

UVLO Output Voltage Clamp

-

-

1.25

V

Output Delay/Advance Range

OUTLLN/OUTLRN Relative to OUTLL/OUTLR

-

2

-

ns

-40

-

-300

ns

40

-

300

ns

Delay/Advance Control Voltage Range

OUTLLN/OUTLRN Relative to OUTLL/OUTLR

OUTLxN Delayed (Note 7)

2.575

-

5.000

V

OUTLxN Advanced (Note 7)

0

-

2.425

V

-

300

-

ns

-

105

-

ns

-

70

-

ns

-

55

-

ns

-

50

-

ns

-

300

-

ns

-

100

-

ns

-

68

-

ns

-

55

-

ns

-

48

-

ns

THERMAL PROTECTION

Thermal Shutdown

(Note 7)

-

140

-

°C

Thermal Shutdown Clear

(Note 7)

-

125

-

°C

Hysteresis, Internal Protection

(Note 7)

-

15

-

°C

NOTES:

7. Limits established by characterization and are not production tested.

8. This is the maximum duty cycle achievable using the specified values of RTD and CT. Larger or smaller maximum duty cycles may be obtained using

other values for these components. See Equations 1 through 3.

(deadtime) as determined by CT and RTD.

11. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization

and are not production tested.

PARAMETER

TEST CONDITIONS

MIN

(Note 11)

TYP

MAX

(Note 11)

UNITS