TPS53311 Datasheet, PDF (7/22 Pages) Texas Instruments – 3-A Step-Down Regulator with Integrated Switcher

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FUNCTIONAL BLOCK DIAGRAM
VIN VIN
14 13
0.6 V ^UV/OV
Threshold
Generation
0.6 V–17%
+
UV
FB 10
+
0.6 V+17% _OV
COMP 9
E/A
+
PWM
+
0.6 V Ramp
SS
V_IN UVLO
Control
Logic
HDRV
XCON
PWM
LL One-Shot
Overtemp
V_OUT Discharge
LDRV
OSC
Enable
Control
Mode
Scanner
OCP Logic
VDD UVLO
2
1
SYNC
EN
8
3
PS PGD
11
AGND
TPS53311
SLUSA41 – JUNE 2010
4 VBST
5 SW
6 SW
7 SW
15 PGND
16 PGND
12 VDD
TPS53311
UDG-10028
Copyright © 2010, Texas Instruments Incorporated
Product Folder Link(s) :TPS53311
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