UCC2917

UCC3917

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SLUS203D – FEBRUARY 2000 – REVISED MAY 2013

ELECTRICAL CHARACTERISTICS

0°C

VOUT, current is positive into and negative out of the specified terminal, (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

INPUT SUPPLY

From VOUT

4.0

5

11

mA

UVLO turn on threshold

7.9

8.8

9.7

V

UVLO off voltage

5.5

6.5

7.5

V

VSS regulator voltage

–6

–5

–4

V

FAULT TIMING

47.5

50

53

mV

Overcurrent threshold

Over operating temperature

46

50

54

mV

Overcurrent input bias

50

500

CT charge current bias

–78

–50

–28

µA

CT catastrophic fault threshold

3.4

4.5

V

CT fault threshold

2.25

2.5

2.75

V

CT reset threshold

0.32

0.5

0.62

V

D

Output duty cycle

Fault condition

1.7%

2.7%

3.7%

OUTPUT

6

8

10

High-level output voltage

V

5

7

9

0.03

0.50

Output low voltage

V

0.6

0.9

LINEAR CURRENT

85

100

115

mV

Sense control voltage

370

400

430

mV

Input bias current

50

500

nA

SHUTDOWN

Shutdown threshold

2.0

2.4

2.8

V

Input current

24

40

60

µA

Shutdown delay

100

500

ns

LATCH

Latch threshold

1.7

2

2.3

V

Input current

24

40

60

µA

FLTOUT

Fault output high

6

8

10

V

Fault output low

0.01

0.05

V

POWER LIMITING

4.5

5.

5.5

V

0.6%

1.2%

1.7%

Duty cycle control

0.045%

0.1%

0.2%

VREF/CATFLT

4.5

5.

5.5

V

Fault output low

0.22

0.50

V

Output sink current

15

40

70

mA

Overload comparator threshold

Relative to MAXI

110

200

290

mV

(1)

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