© 2005 Fairchild Semiconductor Corporation

www.fairchildsemi.com

FAN7528 Rev. 1.0.6

6

Note:

1. These parameters, although guaranteed by design, are not tested in production.

Symbol

Parameter

Condition

Min.

Typ.

Max.

Unit

Zero Current Detection Section

1.35

1.50

1.65

V

0.05

0.10

0.15

V

Input High Clamp Voltage

6.0

6.7

7.4

V

Input Low Clamp Voltage

0

0.6

1.0

V

Input Bias Current

-1.0

-0.1

1.0

μA

-10

mA

10

mA

Maximum Delay from ZCD to Output

100

200

ns

Output Section

Output Voltage High

9.2

11.0

12.8

V

Output Voltage Low

1.0

2.5

V

50

100

ns

50

100

ns

Maximum Output Voltage

11.5

13.0

14.5

V

Output Voltage with UVLO Activated

V

Restart Timer Section

Restart Timer Delay

40

160

360

μs

Over-Voltage Protection Section

OVP Threshold Voltage

2.60

2.66

2.72

V

HY(ovp)

OVP Hysteresis

0.06

0.11

0.16

V

Enable Section

Enable Threshold Voltage

0.40

0.45

0.50

V

HY(en)

Enable Hysteresis

0.05

0.10

0.15

V