EVAL6725 Datasheet, PDF (2/5 Pages) STMicroelectronics – L6725 demoboard realizes in a four layer PCB a step-down DC/DC converter and shows

Features
1
Features
EVAL6725
Figure 1. Demoboard schematic
VIN
J1
GIN
EXT REF
VCC
D1 R9
C9 C11
C10
R5
VCCDR BOOT OCH
R6
J2
EAREF ¹¹
3
8
5
C5
VCC
U1
C8
R8
12
C7
GND ¹⁵
L6725
HGATE ^R11
7
PHASE Q4-6
6
LGATE ^R10
10
Q1-3 ^D3
9
PGND
C12-C13
L1
R12
C15
SS
2
C4
41
16
OCL
COMP
VFB
R3
R7
C2 R4
C3
R2
R1 C1
VOUT
C16-C19
GOUT
Table 1. Demoboard part list
Reference
Value
R1
1 kΩ
R2
1 kΩ
R3
4. 7kΩ
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.
C1
4.7 nF
C2
47 nF
C3
1 nF
C4
100 nF
C5
100 nF
Manufacturer
Neohm
Neohm
Neohm
Neohm
Neohm
Neohm
Neohm
Neohm
Neohm
Neohm
Neohm
Kemet
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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