Datasheet

Under-
Voltage
Lockout
7.2V
Bias Voltages
Switch
Driver
Cboot Voltage
Detect
R
S
Q
Switch
Logic
Thermal
Shutdown
_
+
1.26V
Reference
Soft-Start
Shutdown
Detect
Slope
Compensation
_
+
500kHz
Oscillator
_
+
_
+
Set / Blankout
One-Shot
Short-Circuit
Detect
PWM
Comparator
Error
Amplifier
Over-voltage
Detect
V
IN
CB
DR
SW
GND
FB
COMP
I
SEN
LM3477
www.ti.com SNVS141K –OCTOBER 2000–REVISED MARCH 2013
Functional Block Diagram
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