Datasheet

Sdn
V5FILT
V5OK
LL
DISCHG
TPS51315
I
SHOT
UCP
Buzz
Logic
+
+
+
+
OCP
ZC/
UCP
GND
LL
XCON
+
PGND
+
EN_PSV
1V
2.9V
VOUT_DS
UVP/OVP
Logic
+
THOK 160°C/148°C
+
3.9V/3.6V
VIN
VBST
Fault
VOUT
LL
V5IN
PGND
V5IN
TON
+
+
PWM
+
OV
+15/10%
UV
+
–30/20%
Delay
SS
0.75V
VFB
TRIP
XPWMonly
Enable
+
+
Delay
+5/10%
–5/10%
PGOOD
5V
GND
ControlLogic
 On/Offtime
 MinimumOn/Off
 Lightload
 OVP/UVP
 Discharge
UDG-09048
10uA
Not Recommended for New Designs
TPS51315
SLUS881B –MAY 2009–REVISED AUGUST 2012 www.ti.com
FUNCTIONAL BLOCK DIAGRAM
8 Submit Documentation Feedback Copyright © 2009–2012, Texas Instruments Incorporated
Product Folder Links: TPS51315