UCC24610

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SLUSA87B – AUGUST 2010 – REVISED SEPTEMBER 2010

ELECTRICAL CHARACTERISTICS (continued)

GND, and currents are positive into and negative out of the specified terminal, unless otherwise noted. Typical values are at

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

Minimum Off-Time Setting

Minimum off-time, low

4.94

7.80

9.86

resistance

Minimum off-time,

0.55

1.37

2.30

high resistance

Minimum off-time, low

EN/TOFF = 1.0 V

4.94

7.80

9.86

ms

voltage

Minimum off-time,

EN/TOFF = 2.61 V

0.85

1.37

2.10

high voltage

Minimum off-time,

0.48

0.65

0.82

over-voltage

Gate Driver

GATE pull-up

-

2.0

3.6

resistance, enabled

Ω

GATE pull-down

-

1.6

2.5

resistance, enabled

GATE output high

4.64

4.80

-

voltage

GATE output low

-

0.16

0.25

voltage

V

GATE output low

-

0.70

0.90

voltage, UV

GATE output low

-

0.04

0.10

voltage, disabled

GATE rise time

-

14

30

GATE fall time

-

9

25

ns

Disable delay

From EN falling to GATE falling

50

100

150

Synchronization

SYNC falling

VCC -

VCC -

VCC -

GATE output transitions from High to Low.

V

threshold

2.4

2.0

1.6

SYNC propagation

From SYNC falling to GATE falling 10%.

-

20

60

ns

delay

SYNC pull-up

Internal resistance from SYNC to VCC.

1.6

2.0

2.4

k

Ω

resistance

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