Datasheet
OPEN= ENABLE
1.00MHz>
600kHz>
1
VOUT
GND
4.5A OC>
SKIP 3ms SS>
FCCM 3ms SS>
VIN
GND
6A OC>
FCCM 1mS SS>
SKIP 6ms SS>
SKIP 1ms SS>
9A OC>
MODE/SS SELECTION
FCCM 6ms SS>
(External Clock)
FREQUENCY SELECTION
1
Not Populated
1
GND
GND
VIN
SW
PG
EN
GND
SYNC
GND
CHA
CHB
INJECTION & MEASURING
CONTROL LOOP
Notes:
8V - 14V
1.2V/6A
GND
GND
OCP SELECTION
C19
R3
80.6k
R6 45.3k
R4
300
R5
10.0k
R8
10.0k
R14
0
C13
22uF
TP3
TP6
C10
22uF
C11
22uF
1
2
3
4
5
6
7
8
9
10
11
12
J4
R7
5.60k
R18
0
TP9
C15 0.1uF
C1
1.0uF
1
2
J2
C17
2.2nF
R12 82.0k
R13
160k
R15
R9 10.0k
R10
20.0k
R11
39.0k
TP5
1
2
J1
C6
220pF
R16 10.0
C12
22uF
C14
22uF
TP8
1
2
J5
C16
10nF
1
2
3
4
J3
C5
560pF
R2
51.0k
C2
22uF
TP10
1
EN
2
PG
3
VIN
4
VIN
5
VIN
6
VIN
7
PGND
8
PGND
9
PGND
10
PGND
11
PGND
12
PGND
13
SW
14
SW
15
SW
16
SW
17
VBST
18
BP7
19
BP3
20
AGND
21
RT/SYNC
22
MODE/SS
23
COMP
24
FB
25
PWPD
U1
TPS53313RGE
TP13
C4
22uF
C3
22uF
R17
1.00
C18
1.0nF
TP14
TP2
R1
22.0k
TP1
TP4
C8
1.0uF
C9
1.0uF
C7
10nF
TP12
TP11
TP7
L1
1.0uH
1
2
3
4
5
6
J6
VOUT
GND
GND
Schematic
www.ti.com
4 Schematic
Figure 1. TPS53313EVM-078 Schematic
4
6-A Step-Down Regulator with Integrated Switcher SLUU819–December 2011
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