EVAL6732 Datasheet, PDF (2/6 Pages) STMicroelectronics – L6732 20A demoboard realizes in a four layer PCB a step-down DC/DC converter

Features
1
Features
EVAL6732
Figure 1. Demoboard schematic
VIN
GIN
EXT REF
VCC
PGOOD
SYNCH
J1
R5
R6
VCCDR
C8
R13
D1 R9
C10
VCCDR BOOT OCH
J2
EAREF ¹⁵
7
12
9
C5
VCC
R8
16
C7
GND ³
PGOOD ¹
U1
L6732
2
SYNCH
85
C9 C11
HGATE ^R11
11
PHASE Q4-6
10
LGATE ^R10
14
Q1-3 ^D3
13
PGND
SS
6
C4
4
OCL
COMP
VFB
R3
R7
C2 R4
C12-C13
L1
R12
C15
C3
R2
R1 C1
VOUT
C16-C19
GOUT
Table 1. Demoboard part list
Reference
Value
R1
1 kΩ
R2
1 kΩ
R3
4.7 kΩ
R4
2.7 kΩ
R5
0Ω
R6
N.C.
R7
2 kΩ
R8
10 Ω
R9
1.5 kΩ
R10
2.2 Ω
R11
2.2 Ω
R12
N.C.
R13
10kΩ
C1
4.7 nF
C2
47 nF
C3
1 nF
C4
100 nF
Manufacturer
Neohm
Neohm
Neohm
Neohm
Neohm
Neohm
Neohm
Neohm
Neohm
Neohm
Neohm
Neohm
Kemet
Kemet
Kemet
Kemet
Package
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
Supplier
IFARCAD
IFARCAD
IFARCAD
IFARCAD
IFARCAD
IFARCAD
IFARCAD
IFARCAD
IFARCAD
IFARCAD
IFARCAD
IFARCAD
IFARCAD
IFARCAD
IFARCAD
IFARCAD
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