Datasheet

Schematic
4-2
4.1 Schematic
Figure 4–1. TPS54x73EVM-225 Schematic
++ +
R6
28
27
26
25
4
3
2
1
VIN
RT
SYNCH
SS/ENA
VBIAS
PWRGD
COMP/NC
VSENSE
ANAGND
PwrPad
U1
VIN
VIN
VIN
VIN
PH
PH
PH
PH
PH
PH
PH
PH
PH
BOOT
PGND
PGND
PGND
PGND
PGND
24
23
22
21
20
14
13
12
11
10
9
8
7
6
5
19
18
17
16
15
71.5 kΩ
TP9
C6
0.047 µF
C3
1 µF
R5
10 kΩ
VIN
TP4
C4
470 pF
R3
10 kΩ
R3
10 kΩ
C1
470 pF
R2
301 Ω
C4
12 pF
R4
TP5
TP10
R8
0 Ω
TP2
VOUT
J1
1
2
VOUT
GND
TP3
TP1
0.1 µF
C13
22 µF
C5
22 µF
C7
22 µF
C7
L1 0.65 µH
R7
2.2 Ω
3300 pF
C11
1
2
L2
PH
2
C1
5
2
C16
2
C16
VOUT
TP6
PH
C7
0.047 µF
MURS120T3
D4
MURS120T3
D3
MURS120T3
D3
1
2
1
2
1
2
J5J5
J6
J4
J3
1
2
TP8
PRECHG_IN
GND
VIN
GND
J2
VIN
TP7
10 µF
C10
10 µF
C12
1
2
1
2
See User’s Guide for valuesSee User’s Guide for valuesSee User’s Guide for values
User Defined, Circuit Located on Back PCB