FAN7602M 查看數據表（PDF） - Fairchild Semiconductor
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FAN7602M Datasheet PDF : 18 Pages
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FAN7602
Green Current Mode PWM Controller
November 2006
Features
Green Current Mode PWM Control
Fixed 65kHz Operation with Frequency Modulation
Internal High-Voltage Start-up Switch
Burst Mode Operation
Line Voltage Feed Forward to Limit Maximum Power
Line Under-Voltage Protection
Latch Protection & Internal Soft-Start (10ms) Function
Overload Protection
Over-Voltage Protection
Low Operation Current: Typical 1mA
8-pin DIP/SOP
Applications
Adapter
LCD Monitor Power
Auxiliary Power Supply
Related Application Notes
AN6014 - Green Current Mode PWM Controller
FAN7602
Description
The FAN7602 is a green current mode PWM controller. It
is specially designed for off-line adapter application,
DVDP, VCR, LCD monitor application, and auxiliary
power supplies.
The internal high-voltage start-up switch and the burst-
mode operation reduce the power loss in standby mode.
Because of the internal start-up switch and the burst
mode, it is possible to supply 0.5W load, limiting the
input power to under 1W when the input line voltage is
265VAC. On no-load condition, the input power is under
0.3W.
The maximum power can be limited constantly, regard-
less of the line voltage change, using the power limit
function.
The switching frequency is internally fixed at 65kHz and
the frequency modulation technique reduces EMI.
The FAN7602 includes various protections for the sys-
tem reliability and the internal soft-start prevents the out-
put voltage overshoot at start-up.
Ordering Information
Part Number
FAN7602N
FAN7602M
FAN7602MX
Operating Temp.
Range
Pb-Free
-25°C to +125°C
Yes
Package
8-DIP
8-SOP
Packing Method
Rail
Rail
Tape & Reel
Marking
Code
FAN7602
FAN7602
FAN7602
© 2006 Fairchild Semiconductor Corporation
FAN7602 Rev. 1.0.2
www.fairchildsemi.com
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