FAN7528 查看數據表（PDF） - Fairchild Semiconductor

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FAN7528

Dual-Output, Critical Conduction Mode PFC Controller

Fairchild Semiconductor 

Electrical Characteristics (Continued)

VCC = 14V, TA = -40°C~125°C, unless otherwise specified.

Symbol

Parameter

Condition

Zero Current Detection Section

VTH(ZCD)

HY(ZCD)

Input Voltage Threshold(1)

Detect Hysteresis(1)

Vclamp(h) Input High Clamp Voltage

Vclamp(l)

Input Low Clamp Voltage

Ib(ZCD)

Isource(zcd)

Isink(zcd)

Input Bias Current

Source Current Capability(1)

Sink Current Capability(1)

tdead

Maximum Delay from ZCD to Output

Turn-on(1)

Idet = 3mA

Idet = -3mA

VZCD = 1V~5V

Output Section

VOH

Output Voltage High

VOL

Output Voltage Low

tr

Rising Time(1)

tf

Falling Time(1)

VO(max)

Maximum Output Voltage

VO(uvlo)

Output Voltage with UVLO Activated

Restart Timer Section

IO = -100mA

IO = 100mA

CL = 1nF

CL = 1nF

VCC = 20V, IO = 100μA

VCC = 5V, IO = 100μA

td(rst)

Restart Timer Delay

Over-Voltage Protection Section

VOVP

HY(ovp)

OVP Threshold Voltage

OVP Hysteresis

TA = 25°C

Enable Section

VTH(en)

HY(en)

Enable Threshold Voltage

Enable Hysteresis

Note:

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

Min.

1.35

0.05

6.0

0

-1.0

100

9.2

11.5

40

2.60

0.06

0.40

0.05

Typ.

1.50

0.10

6.7

0.6

-0.1

11.0

1.0

50

50

13.0

160

2.66

0.11

0.45

0.10

Max.

1.65

0.15

7.4

1.0

1.0

-10

10

200

12.8

2.5

100

100

14.5

1

360

2.72

0.16

0.50

0.15

Unit

V

V

V

V

μA

mA

mA

ns

V

V

ns

ns

V

V

μs

V

V

V

V

© 2005 Fairchild Semiconductor Corporation

FAN7528 Rev. 1.0.6

6

www.fairchildsemi.com

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