SG6846C Fairchild Semiconductor, SG6846C Datasheet - Page 2

• Manufacturer Part Number: SG6846C
• Description: The highly integrated PWM controller, SG6846C provides several features to enhance the performance of flyback converters
• Manufacturer: Fairchild Semiconductor

© 2007 Fairchild Semiconductor Corporation
SG6846C • Rev. 1.1.2
Typical Application
Block Diagram
VDD 7
VIN
RT
3
5
0.9V/0.7V
I
RT
1.05V
V
23.6V
16.5V/10.5V
DD
-TH-G
UVLO
Over Power Compensation
Latch
1.18-0.08
Figure 1. Typical Application
Debounce
Figure 2. Block Diagram
Internal
BIAS
X
V
IN
OCP
Delay
GND
2
1
Q
R
S
OSC
Compensation
1.15V
Slope
1R
+
1R
Green
Mode
Soft
Driver
1R
Ri
4
3R
Blanking
Circuit
VDD
R
6V
8
2
6
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SENSE
GATE
FB