Datasheet

FUNCTIONAL BLOCK DIAGRAM
PowerSave
Mode
Switching
Logic
REF
REF
ENDischarge
R
(DIS)
P
N-MOSCurrentLimit
Compator
P-MOSCurrentLimit
Compator
GateDriver
Anti
Shoot-Through
P
SW
FB
PGND
_
+
CompLow
V NOM
O
+
+
-
+
-
-
+
+
-
A
C
2R
FB
R
2C
-
Soft-Start
CompLow
3MHz
Oscillator+PLL
Sawtooth
Generator
AGND
AVIN
SDA
SYNC EN
PVIN
Thermal
Shutdown
Bandgap
V
REF
=0.4V
Undervoltage
Lockout
BiasSupply
6-Bit
DAC
I
2
CI/F
Control
Logic
Registers
V
DAC
ENDischarge
SCL
VSEL
+
+
+
_
_
+
ò
PARAMETER MEASUREMENT INFORMATION
PGND
U1
L1
C1
10 Fm
V
O
C2
10 Fm
A
I
2
CBus
V
I
V
I
ListofComponents:
U1=TPS6235x
L1=FDKMIPSA2520Series
C1,C2=TDKC1608X5R0G106MT
Note:Theinternalregistersaresettotheirdefaultvalues.
2.7V..6V
PVIN
FB
SW
AVIN
AGND
PGND
A
EN
VSEL
SDA
SCL
SYNC
TPS62350, TPS62351
TPS62352, TPS62353
TPS62354, TPS62355, TPS62356
SLVS540E – MAY 2006 – REVISED APRIL 2008 .............................................................................................................................................................. www.ti.com
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Product Folder Link(s): TPS62350, TPS62351 TPS62352, TPS62353 TPS62354, TPS62355, TPS62356