Data Sheet

© 2010 Fairchild Semiconductor Corporation www.fairchildsemi.com
FSL126MR • Rev. 1.0.1 2
FSL126MR — Green Mode Fairchild Power Switch (FPS™)
Typical Application Diagram
Figure 1. Typical Application
Internal Block Diagram
8V/12V
2 6,7,8
1
3
V
REF
Internal
Bias
S
Q
Q
R
OSC
V
CC
I
DELAY
I
FB
V
SD
TSD
V
OVP
V
CC
V
AOCP
S
Q
Q
R
R
2.5R
V
CC
Good
V
CC
D
rai
n
V
FB
GND
AOCP
Gate
Driver
5
V
STR
I
CH
V
CC
Good
V
BURL
/V
BURH
LEB
PWM
4
I
PK
Soft
Start
R andom
Fre quenc y
Generator
OSP
On-Time
Detector
V
CC
Figure 2. Internal Block Diagram