Datasheet

Internal
supply
-
+
Bandgap
ref
Internal
Voltage
Rail
Selectable
Oscillator
+
-
+
-
Reset with
Delay Timer
VIN
EN
Cdly
GND
RST
OV _ TH
COMP
VSENSE
PH
VReg
VBATT
Thermal
Sensor
Error
amp
ref
SS
SYNC
LPM
Vreg
VIN
BOOT
Rslew
RT
VReg
R1
R2
R3
R4
R5
R6
R7
R8
R12
C1
C2
C3
C4
L
D1
D2
C6
C7
R9
C8
R11
R10
RST_ TH
C5
C9
C10
+
-
Voltage
comp
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
20
19
18
0.8 V ref
0.2 V ref
Gate Drive with
Over-Current Limit
for Internal Switch
0.8 V ref
0.8 V ref
0.82 V ref
0.8 V ref
TPS54262-Q1
www.ti.com SLVS996C –SEPTEMBER 2009–REVISED JUNE 2010
FUNCTIONAL BLOCK DIAGRAM
Figure 4.
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