Datasheet

Undervoltage
Lockout
Thermal
Shutdown
Softstart
Control
Logic
Gate Drive
PMOS
Averaging
Circuit
1V
I
Error Amp.
AVE
V
REF2
g
m
Input
Current
Sense
Valley
Current
Sense
V
REF
V
OUT
VOUT
GND
PG
FB
SW
VIN
ILIM
EN
NMOS
PWM
Pulse
Modulator
Snooze Mode
Detection
TPS61251
www.ti.com SLVSAF7 –SEPTEMBER 2010
FUNCTIONAL BLOCK DIAGRAM (TPS61251)
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