Datasheet

FUNCTIONAL BLOCK DIAGRAM
L2
EN_DCDC1
ENABLE
VCC
FB_DCDC2
PGND2
AGND
EN_LDO1
ENABLE
EN_DCDC2
ENABLE
VLDO2
200mA LDO
VLDO2
VLDO3
DCDC1(I/O)
STEP-DOWN
CONVERTER
VINDCDC1/2
L1
FB_DCDC1
PGND1
DCDC2(core)
STEP-DOWN
CONVERTER
600mA
VLDO1
1000mA
VLDO3
200mA LDO
VIN
VIN_LDO1
VIN_LDO2/3
ENABLE
VIN
2.2 Hm
2.2 Hm
10 Fm
10 Fm
2.2 Fm
1 Fm
1W
22 Fm
TPS65053
EN_LDO2
ENABLE
EN_LDO3
FB2
MODE
THRESHOLD
RESET
Reset
Cff
Cff
R1
R2
R3
R4
R7
R8
R19
I/Ovoltage
4.7 Fm
R5
R6
VLDO1
FB1
2.2 Fm
2.2 Fm
2.2 Fm
VIN
400mA LDO
TPS65053
TPS650531
TPS650532
SLVS754C – MARCH 2007 – REVISED SEPTEMBER 2009 ............................................................................................................................................. www.ti.com
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