2

UCC1917

UCC2917

UCC3917

CONNECTION DIAGRAM

into and negative out of the specified terminal.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

VDD Section

From VOUT (Note 1)

3.0

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 Section

Overcurrent Threshold

47.5

50

53

mV

Over Operating Temperature

46

50

54

mV

Overcurrent Input Bias

50

500

nA

CT Charge Current

–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

Output Duty Cycle

Fault Condition

1.7

2.7

3.7

%

Output Section

Output High Voltage

6

8

10

V

µA

579

V

Output Low Voltage

0

0.05

V

µA

0.1

0.5

V

0.5

0.9

V

Linear Current Section

Sense Control Votlage

MAXI = 100mV

85

100

115

mV

MAXI = 400mV

370

400

430

mV

Input Bias

MAXI = 200mV

50

500

nA

SHUTDOWN Section

Shutdown Threshold

2.0

2.4

2.8

V

Input Current

SHTDWN = 0V

24

40

60

µA

Shutdown Delay

100

500

ns

DIL-16, SOIC-16 (Top View)

J or N Package, D Package

IDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA

SHTDWN Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –500

µA

LATCH Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –500

µA

VREF Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –500

µA

PLIM Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA

MAXI Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . VDD + 0.3V

Storage Temperature . . . . . . . . . . . . . . . . . . . –65°C to +150°C

Junction Temperature . . . . . . . . . . . . . . . . . . . –55°C to +150°C

Lead Temperature (Soldering, 10 sec.) . . . . . . . . . . . . . +300°C

Currents are positive into, negative out of the specified

terminal. Consult Packaging Section of Databook for thermal

limitations and considerations of package.

ABSOLUTE MAXIMUM RATINGS