參數(shù)資料
型號(hào)： SI3230MPPQX-EVB
廠商： Silicon Laboratories Inc
文件頁(yè)數(shù)： 18/108頁(yè)
文件大?。?/td> 0K
描述： BOARD EVAL W/DISCRETE INTERFACE
標(biāo)準(zhǔn)包裝： 1
系列： ProSLIC®
主要目的： 接口，模擬前端（AFE）
已用 IC / 零件： Si3230
已供物品： 板，CD
Si3230
Preliminary Rev. 0.96
17
Not
Recommended
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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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