MCP1642B/D High-Current Synchronous Boost Converter Evaluation Board User’s Guide
DS50002353A-page 20
2015 Microchip Technology Inc.
A.2
BOARD – SCHEMATIC
VIN
8
SW
5
VOUT 4
PG
3 EN
1
SGND
7
VFB 2
PGND
6
MCP1642B-ADJ
U2
10uF
10V
0805
CIN2
10uF
10V
0805
COUT2
1
J6
1
J8
GND2
1
J5
1
J7
GND2
GND2
309k
1%
RB
GND2
SW2
VIN
8
SW
5
VOUT 4
PG
3 EN
1
SGND
7
VFB 2
PGND
6
MCP1642B-33
U1
10uF
10V
0805
CIN1
10uF
10V
0805
COUT1
1
J2
1
J4
GND
1
J1
1
J3
GND
GND
SW1
4.7uH
L2
PG
VIN1
976k
1%
RT
4.7uH
L1
1
2
3
J9
GND
1
2
3
J10
GND2
5.1k
R3
VIN2
3.3V
5V
5V
MCP1642D-33
