參數(shù)資料
型號: SI3230M-E-FM
廠商: Silicon Laboratories Inc
文件頁數(shù): 18/108頁
文件大?。?/td> 0K
描述: IC SLIC PROG 1-CH 38QFN
標(biāo)準(zhǔn)包裝: 364
系列: ProSLIC®
功能: 用戶線路接口概念(SLIC)
接口: SPI
電路數(shù): 1
電源電壓: 3.13 V ~ 5.25 V
電流 - 電源: 88mA
功率(瓦特): 700mW
安裝類型: 表面貼裝
封裝/外殼: 38-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 38-QFN(5x7)
包裝: 托盤
包括: DTMF 生成和解碼,F(xiàn)SK 生成
Si3230
Preliminary Rev. 0.96
17
Not
Recommended
fo
r N
ew
D
esi
gn
s
Table 16. Component Value Selection for Si3230
Component
Value
Comments
R28
1/10 W, 1% resistor
For VDD = 3.3 V: 26.1 k
For VDD = 5.0 V: 37.4 k
R28 = (VDD + VBE)/148 A
where VBE is the nominal VBE for Q9
R29
1/10 W, 1% resistor
For VCLAMP =80V: 541k
For VCLAMP =85V: 574k
For VCLAMP = 100 V: 676 k
R29 = VCLAMP/148 A
where VCLAMP is the clamping voltage for VBAT
Table 17. Component Value Selection Examples for DC-DC Converter
VDC
Maximum Ringing Load/Loop Resistance
L1
R17
R18
R19, R20
5V
3 REN/117
33 H
100
0.12
16.5 k
12 V
5 REN/117
150 H
162
0.56
56.2k
24 V
5 REN/117
560 H
274
2.2
121 k
Note:
There are other system and software conditions that influence component value selection. Please refer to “AN45:
“Design Guide for the Si3210/15/16 DC-DC Converter” for detailed guidance.
Table 18. Component Value Selection Examples
for Si3230M MOSFET/Transformer DC-DC Converter
VDC
Maximum Ringing Load/Loop Resistance
Transformer Ratio
R18
R19, R20
3.3 V
3 REN/117
1:2
0.06
7.15
5.0 V
5 REN/117
1:2
0.10
16.5
12 V
5 REN/117
1:3
0.6
56.2
24
5 REN/117
1:4
2.1
121
Note:
There are other system and software conditions that influence component value selection. Please refer to “AN45:
“Design Guide for the Si3210/15/16 DC-DC Converter” for detailed guidance.
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