NCP1615

http://onsemi.com

11

Characteristics

Unit

Max

Typ

Min

Symbol

Conditions

RESTART

Restart Threshold Ratio

97.5

98.0

98.5

%

Restart Threshold

–

2.45

–

V

Restart Input Pull Down Current

50

200

450

nA

Open Pin Detection Threshold

0.2

0.3

0.4

V

Open Pin Detection Hysteresis

−

10

−

mV

FAULT INPUT

Overvoltage Protection (OVP) Threshold

2.79

3.00

3.21

V

Delay Before Fault Confirmation

Used for OVP Detection

Used for OTP Detection

22.5

22.5

30.0

30.0

37.5

37.5

ms

Overtemperature Protection (OTP) Threshold

0.38

0.40

0.42

V

OTP Exiting Threshold (B/D Versions)

0.920

0.966

V

OTP Blanking Delay During Start−Up

4

5

6

ms

OTP Pull−Up Current Source

43

46

49

mA

Fault Input Clamp Voltage

1.15

1.7

2.25

V

Fault Input Clamp Series Resistor

1.32

1.55

1.78

kW

PFCOK SIGNAL

PFCOK Output Voltage

4.75

5.00

5.25

V

PFCOK Low State Output Voltage

–

–

250

mV

THERMAL SHUTDOWN

Thermal Shutdown

Temperature increasing

–

150

–

°C

Thermal Shutdown Hysteresis

Temperature decreasing

–

50

–

°C

Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product

performance may not be indicated by the Electrical Characteristics if operated under different conditions.