SI3230 SILABS [Silicon Laboratories], SI3230 Datasheet - Page 13

• Manufacturer Part Number: SI3230
• Manufacturer: SILABS [Silicon Laboratories]

*Note: Voltage rating of this device must be greater than V
Component (s)
R19,R20
C14*
C25*
C10
R16
R17
R18
Q7
Q8
C9
D1
F1
L1
1/10 W, ±5% (See AN45 or Table 17 for value selection)
1/10 W, ±1% (See AN45 or Table 17 for value selection)
1/4 W, ±5% (See AN45 or Table 17 for value selection)
Table 12. Si3230 DC-DC Converter Component Values
Ultra Fast Recovery 200 V, 1A Rectifier
60 V, General Purpose Switching NPN
1A, Shielded Inductor (See AN45 or
120 V, High Current Switching PNP
10 µF, 100 V, Electrolytic, ±20%
Figure 4. Si3230 DC-DC Converter Circuit
Table 17 for value selection)
SDCH
SDCL
DCFF
DCDRV
10 µF, Electrolytic, ±20%
0.1 µF, 50 V, X7R, ±20%
Notes:
1. Values and configurations for these components can be derived from
Table 17 or from App Note 45.
2. Voltage rating for C14 and C25 must be greater than VDC.
200 Ω, 1/10 W, ±5%
0.1 µF, X7R, ±20%
Value
Fuse
Preliminary Rev. 0.96
0.1 µF
C10
Note 1
R19
R20
R16
DC
200
1
1
.
2N2222
Note 1
Q8
R18
R17
L1
1
FZT953
VDC
F1
Q7
ES1D
D1
C25
10uF
GND
2
10uF
C9
Murata, Johanson, Novacap, Venkel
Murata, Johanson, Novacap, Venkel
API Delevan SPD127 series, Sum-
General Semi ES1D; Central Semi
DR340-1 series, Coilcraft DS5022
ida CDRH127 series, Datatronics
Zetex FZT953, FZT955, ZTX953,
CMPT2222A; Zetex FMMT2222
C14
0.1uF
ON Semi MMBT2222ALT1,
MPS2222A; Central Semi
2
VBAT
Belfuse SSQ Series
CMR1U-02
Panasonic
Panasonic
Supplier
ZTX955
Si3230
13