SI3233-X-FM View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

SI3233-X-FM

PROSLIC® PROGRAMMABLE CMOS SLIC WITH RINGING/BATTERY VOLTAGE GENERATION

Silicon Laboratories 

Si3233

VDC

SDCH

SDCL

F1

R191

Note 1 R181

R201

C25 2

10uF

C14 2

0.1uF

C10

R16

0.1 µF

200

Q7

FZT953

DCFF

Q8

2N2222

D1

ES1D

VBAT

DCDRV

R17

L1

C9

10uF

Note 1

GND

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.

Figure 4. Si3233 DC-DC Converter Circuit

Table 12. Si3233 DC-DC Converter Component Values

Component(s)

Value

Supplier

C9

10 µF, 100 V, Electrolytic, ±20%, low ESR (tan(δ) < 0.08)

Panasonic

C10

0.1 µF, 50 V, X7R, ±20%

Murata, Johanson, Novacap, Venkel

C14*

0.1 µF, X7R, ±20%, low ESR (tan(δ) < 0.08)

Murata, Johanson, Novacap, Venkel

C25*

10 µF, Electrolytic, ±20%

Panasonic

R16

200 Ω, 1/10 W, ±5%

R17

1/10 W, ±5% (See AN45 or Table 17 for value selection)

R18

1/4 W, ±5% (See AN45 or Table 17 for value selection)

R19,R20 1/10 W, ±1% (See AN45 or Table 17 for value selection)

F1

Fuse

Belfuse SSQ Series

D1

Ultra Fast Recovery 200 V, 1A Rectifier

General Semi ES1D; Central Semi

CMR1U-02

L1

1A, Shielded Inductor (See AN45 or

API Delevan SPD127 series, Sum-

Table 17 for value selection)

ida CDRH127 series, Datatronics

DR340-1 series, Coilcraft DS5022

Q7

120 V, High Current Switching PNP

Zetex FZT953, FZT955, ZTX953,

ZTX955

Q8

60 V, General Purpose Switching NPN

ON Semi MMBT2222ALT1,

MPS2222A; Central Semi

CMPT2222A; Zetex FMMT2222

*Note: Voltage rating of this device must be greater than VDC.

Preliminary Rev. 0.5

13

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