MCP19035 300 kHz Sync Buck Controller Eval Board (ADM00434) Schematics

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Revision History
Rev. ECO
Description
Date
Approved
TP1
1
GND
A
A
2 1
J1
ED120/2DS
PGND
TP11
TP10
SW
TP2
TP9
LOWDR HIGHDR
1
1
TP8
TP12
GND
GND
1
1
PGND
PGND
1
1
VIN
C1
22uF
R1
0
C2
10uF
PGND
D1
G
B0530WS
MCP87050
Q1
B
S
R4
100
U1
6.8nF
COMP
4
C10
7
LOWDR
PWRGD
C11
MCP19035
C5
3.3
0.33uF
G
VOUT
C6
MCP87022
Q2
6
VCC
1
1.5uH/19.5A
R6
100uF
C7
100uF
C8
100uF
C9
1uF
J2
ED120/2DS
11
1uF
8
BOOT
VIN
5
68pF
PHASE
TP14
L1
9
1 2
7.5k
FB
3
GND
C4
10
HIGHDR
D
SHDN
2
S
1
R5
TP13
1
R3
100k
1
B
R2
22uF
D
5.1k
TP3
C3
R7
PGOOD
TP15
100k
R8
C12
4.7uF
0805
1
Q3
2N7002-7-F
5.1k
1
TP4
PGND
C
PGND
GND
PGND
PGND
C
R9
5.1k
R11
TP5
PGOOD
R10
20k
49.9
1
PGOOD
R12
R14
TP6
R13
C13
750
820pF
10k
1
10k
TP19
TP16
GND
1
1
GND
1
TP17
TP18
1
CH A
CH B
EXTPGOOD
SGND
SGND
SGND
SGND
TP7
GND
NET_TIE_0.5mm
1
0 NT1
SGND
SGND
Drawn
PGND
Sergiu Oprea
Checked
D
Printed 10/17/2012
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Date
Approved
Date
Approved
Date
Approved
Date
at 9:26:49 AM
Template
FileName
02-03-2011
Date
Title
D
MCP19035 300kHz Evaluation Board
Size
B
B_Microchip
SCH.SchDoc
Doc. Number
Rev.
103-00434
2.0
Sheet 1 of 1
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