39
ispClock5400D Evaluation Board
Lattice Semiconductor
User’s Guide
Figure 40. +12V to +5V Input 3.3V VCC Output and VCCO Adjustable
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
+7.5V
VCC
0
VCCO
Date:
Size
Schematic Rev
of
Sheet
Title
Lattice Semiconductor Applications
Email: [email protected]
Phone (503) 268-8001 -or- (800) LATTICE
Board Rev
Project
Thursday, February 19, 2009
A
B
9
8
+12V to +5V Input 3.3V VCC Output and VCCO Adjustable
ispClock5406D Lab Evaluation Board
B
Date:
Size
Schematic Rev
of
Sheet
Title
Lattice Semiconductor Applications
Email: [email protected]
Phone (503) 268-8001 -or- (800) LATTICE
Board Rev
Project
Thursday, February 19, 2009
A
B
9
8
+12V to +5V Input 3.3V VCC Output and VCCO Adjustable
ispClock5406D Lab Evaluation Board
B
Date:
Size
Schematic Rev
of
Sheet
Title
Lattice Semiconductor Applications
Email: [email protected]
Phone (503) 268-8001 -or- (800) LATTICE
Board Rev
Project
Thursday, February 19, 2009
A
B
9
8
+12V to +5V Input 3.3V VCC Output and VCCO Adjustable
ispClock5406D Lab Evaluation Board
B
1.5 Square Inch
PCB Heat Sink
0.5 Square Inch
PCB Heat Sink
Switch
VCCO
NONE
1F
1G
1H
3.30V
2.50V
1.80V
1.50V
Mounting Holes
R55
73.2K
R55
73.2K
C29
100nF
C29
100nF
Q14
PZT4401
SOT-223
Q14
PZT4401
SOT-223
R54
301K
R54
301K
U3
TPS77701
U3
TPS77701
IN
3
IN
4
GND
1
Enb
2
OUT
5
OUT
6
FB
7
R35
178K
R35
178K
D2
MAZ80820GML
8.2V
D2
MAZ80820GML
8.2V
WE1
TEST POINT
WE1
TEST POINT
1
M4M4
1
1
M3M3
1
1
R95
470
R95
470
J11
GND
J11
GND
LG1
TEST POINT
LG1
TEST POINT
1
J13
PWR JACK
J13
PWR JACK
3
2
1
D3
Power
D3
Power
C28
10nF
C28
10nF
CE1
TEST_POINT
CE1
TEST_POINT
1
M2M2
1
1
C27
100nF
C27
100nF
R116
0
R116
0
U2
TPS77733
U2
TPS77733
IN
3
IN
4
GND
1
Enb
2
OUT
5
OUT
6
C25
10uF
C25
10uF
R94
470
R94
470
R75
100K
R75
100K
C26
1uF
C26
1uF
C31
100nF
C31
100nF
D1
D1N4448
D1
D1N4448
C32
10uF
10V
C32
10uF
10V
SW1GSW1G
7
10
C30
100nF
C30
100nF
SW1FSW1F
6
11
SW1HSW1H
8
9
M1M1
1
1
EF1
TEST POINT
EF1
TEST POINT
1
R106
0
R106
0
J12
+12V
J12
+12V
R74
31.6K
R74
31.6K