FAN7601B Fairchild Semiconductor, FAN7601B Datasheet - Page 2

• Manufacturer Part Number: FAN7601B
• Description: The FAN7601B is a programmable frequency green current mode PWM controller
• Manufacturer: Fairchild Semiconductor

© 2008 Fairchild Semiconductor Corporation
FAN7601B • Rev.1.0.2
Block Diagram
Note:
1.
Latch/SS
(4)
GND
R
( ) is 10-SSOP Pin Number.
(5)
(6)
t
/C
t
4
3
5
1V
V
REF
OSC
2.5V
12µA




Startup
Circuit
V
REF
1.5V
OVP
8
(10)
Figure 1. Internal Block Diagram
5V Ref
R
R
S
S
2
Circuit
Enable
Reset
Q
Q
V
STR
1
(1)
Circuit
Startup
Delay
Circuit
UVLO


OVP



0.97V/0.9V


12V/8V


1V
Latch/SS
19V
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7
6
2
CS/FB
OUT
V
(8)
(7)
(3)
CC