Datasheet

FB
COMP
VBST
SW
TPS53313
EN
MODE/SS AGND
PGND
UDG-11255
UV/OV
Threshold
Generation
0.6 V
+
+
+
+
0.6 V
SS
Enable
Control
Mode/SS
E/A
UV
OV
Control
Logic
PWM
V
OUT
Discharge
0.6 V–17%
+
PWM
Ramp
XCON
HDRV
LDRV
OCP Logic
0.6 V+17%
UV
OV
PGRT/SYNC
Osc
Skip or FCCM
VINBP7BP3
VIN UVLO
LDO
LDO
TPS53313
www.ti.com SLUSAS8 –DECEMBER 2011
FUNCTIONAL BLOCK DIAGRAM
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