FL6961 Просмотр технического описания (PDF) - Fairchild Semiconductor

Номер в каталоге

Компоненты Описание

Список матч

FL6961

Single-Stage Flyback and Boundary Mode PFC Controller for Lighting

Fairchild Semiconductor 

Electrical Characteristics

Unless otherwise noted, VCC=15V and TJ=-40°C to 150°C. Current is defined as positive into the device and negative

out of the device.

Symbol

Parameter

Conditions

Min. Typ. Max. Units

Zero-Current Detection Section

VZCD Input Threshold Voltage Rising Edge

HYS of

VZCD

Threshold Voltage Hysteresis

VZCD-HIGH Upper Clamp Voltage

VZCD Increasing

VZCD Decreasing

IZCD=3mA

1.9

2.1

2.3

V

0.35

V

12

V

VZCD-LOW Lower Clamp Voltage

IZCD=-1.5mA

0.3

V

tDEAD Maximum Delay, ZCD to Output Turn-On

VCOMP=5V,

fSW=60KHz

100

400

ns

tRESTART Restart Time

Output Turned Off by

ZCD

300

500

700

μs

tINHIB

Inhibit Time (Maximum Switching

Frequency Limit)

RMOT=24kΩ

2.8

μs

VDIS Disable Threshold Voltage

tZCD-DIS Disable Function Debounce Time

RMOT=24kΩ,

VZCD=100mV

130 200 250

mV

800

μs

Maximum On Time Section

VMOT

tON-MAX

Maximum On Time Voltage

Maximum On Time Programming

(Resistor Based)

1.25 1.30 1.35

V

RMOT=24kΩ, VCS=0V,

VCOMP=5V

25

μs

© 2010 Fairchild Semiconductor Corporation

FL6961 • Rev. 1.0.2

6

www.fairchildsemi.com

Share Link: