FAN7529MX Ver la hoja de datos (PDF) - Fairchild Semiconductor

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Fabricante

FAN7529MX

Critical Conduction Mode PFC Controller

Fairchild Semiconductor 

Electrical Characteristics

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

Symbol

Parameter

Condition

UNDER-VOLTAGE LOCKOUT SECTION

Vth(start) Start Threshold Voltage

Vth(stop) Stop Threshold Voltage

HY(uvlo) UVLO Hysteresis

VZ

Zener Voltage

SUPPLY CURRENT SECTION

VCC increasing

VCC decreasing

ICC = 20mA

Ist

Start-up Supply Current

ICC Operating Supply Current

Idcc Dynamic Operating Supply Current

ICC(dis) Operating Current at Disable

ERROR AMPLIFIER SECTION

VCC = Vth(start) - 0.2V

Output no switching

50kHz, Cl=1nF

Vinv = 0V

Vref1 Voltage Feedback Input Threshold1

ΔVref1

ΔVref2

Line Regulation

Temperature Stability of Vref1(2)

Ib(ea) Input Bias Current

Isource Output Source Current

Isink Output Sink Current

Veao(H) Output Upper Clamp Voltage

Veao(Z)

gm

Zero Duty Cycle Output Voltage

Transconductance(2)

MAXIMUM ON-TIME SECTION

TA = 25°C

VCC = 14V ~ 20V

Vinv = 1V ~ 4V

Vinv = Vref1 - 0.1V

Vinv = Vref1 + 0.1V

Vinv = Vref1 - 0.1V

Vmot Maximum On-Time Voltage

Ton(max) Maximum On-Time Programming

CURRENT SENSE SECTION

Rmot = 40.5kΩ

Rmot = 40.5kΩ, TA = 25°C

VCS(limit)

Current Sense Input Threshold

Voltage Limit

Ib(cs)

td(cs)

Input Bias Current

Current Sense Delay to Output(2)

VCS = 0V ~ 1V

dV/dt = 1V/100ns,

from 0V to 5V

Note:

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

Min. Typ. Max. Unit

11

12

13

V

7.5 8.5 9.5

V

3.0 3.5 4.0

V

20 22

24

V

40

70

µA

1.5 3.0 mA

2.5 4.0 mA

20

65

95

µA

2.465

-0.5

5.4

0.9

90

2.500

0.1

20

-12

12

6.0

1.0

115

2.535

10.0

0.5

6.6

1.1

140

V

mV

mV

µA

µA

µA

V

V

µmho

2.784 2.900 3.016 V

19

24

29

µs

0.7 0.8 0.9

V

-1.0 -0.1 1.0 µA

350 500 ns

© 2006 Fairchild Semiconductor Corporation

FAN7529 Rev. 1.0.2

5

www.fairchildsemi.com

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