SI9181DB Datasheet, PDF (4/9 Pages) Vishay Siliconix – Si9181DB/Si9182DB Demonstration Board

Si9181DB/Si9182DB
Vishay Siliconix
SCHEMATIC, PCB LAYOUT AND BILL OF MATERIAL (SI9181)
Si9181 DEMO BOARD
P1
1
V_IN
2 V–6 V
P2
1
GND
JP1
EN
SD
1 23
U1
1
CNOISE
8
SD
C2
0.1 mF
2
7
DELAY ERROR
C3
JP2
0.1 mF
1
3 _{GND SENSE/VADJ} 6
2
4 _VIN
V_OUT
5
Si9181 (TSSOP–8)
C1
R1
10 mF
10 V
R2
R3 JP3
1 MΩ
R5
C4
TJ1
2.2 mF
P3
1
ERROR
P4
1
V_OUT
350 mA
R4
5, 6, 7, 8
R8
D1
Q1
Si4410DY
4
1, 2, 3
R6
100 kΩ
560 LL4154
P5
TRANSIENT
R7
1
1.30 kΩ
C5
0.01 mF
SQUAREWAVE
D=50%
5 V PK, 5 kHz
P6
1
GND
LDO
Version
Output
R1 R2 R4
R5
A
Adjustable 124 k TBD TBD TBD
B
2.0 V Open 0 13.5 2.0 k
C
2.5 V Open 0 16.9 2.49 k
D
3.0 V Open 0 20.0 3.01 k
E
3.3 V Open 0 22.1 3.32 k
F
5.0 V Open 0 33.5 4.99 k
G
1.8 V Open 0 12.1 1.82 k
FIGURE 7. Demo Board—Si9181
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4
Document Number: 71306
26-Sep-00