Datasheet

FUNCTIONAL BLOCK DIAGRAM
+
1
8
15 16
13
14
9
10
7
6
3
1211
+
+
–
–
–
4
I
peak
CurrentLimit
V
ref
OUTP
VAUX
VAUX
OVP
2
5
PGND
OUTP
OUTN
V
pos
V
neg
L1 L1 L2 L2
OUTP
OUTP
FB
FBG
OUTN
OUTN
PGND
PGND
VIN
EN
GND
VAUX
OUTP
OUTN
Gate Drive
M1
M2
M3
M4
Gate
Drive
Bias (1.2V)
UVLO
Thermal
Shutdown
Current
Sense/
SoftStart
VAUX
Regulator
B0299-01
Voltage-
Controlled
Oscillator
VCO
PWM/PFM
Control
Out-of-Audio
Mode
20kHz
Short-Circuit
Protection
TPS65136
www.ti.com ............................................................................................................................................................. SLVS831A – APRIL 2008 – REVISED JULY 2008
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Product Folder Link(s): TPS65136