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| 型号： | SI3402-EVB |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 9/22页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL POE FOR SI3402 |
| 标准包装： | 1 |
| 主要目的： | 特殊用途 DC/DC，以太网供电（POE） |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 5V |
| 输入电压： | 44 ~ 57 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 350kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板，CD |
| 已用 IC / 零件： | Si3402 |
| 其它名称： | 336-1827 |
Si3402
To Ethernet PHY
D2
D3
D1
RJ-45
SWO
T1
R5
R6
R1
CT1
CT2
SP1
SP2
RDET
Si3402
ISOSSFT
VDD
EROUT
C8
R2
PS2911
R4
C4
C3
R8
RCL
R3
C2
C1
C7
C5
R7
Figure 2. Schematic—Class 1 with Isolated 5.0 V Output*
*Note: This is a simplified schematic. See “AN296: Using the Si3400/1/2 PoE PD Controller in Isolated and Non-Isolated
Designs” for more details and complete application schematics.
Table 8. Components—Class 1 with Isolated 5.0 V Output
Item
C1
Type
Capacitor
Value
15 μF
Toler.
20%
Rating
100 V
Notes
Switcher supply capacitor. Several paral-
lel capacitors are used for lower ESR.
C2
C3
Capacitor
Capacitor
0.1 μF
1100 μF
20%
20%
100 V
10 V
PD input supply capacitor.
Switcher load capacitor. 100 μF in paral-
lel 1000 μF and optional 1 μH inductor
for additional filtering.
C4
C5
C7
C8
Capacitor
Capacitor
Capacitor
Capacitor
15 nF
220 nF
0.1 μF
1 μF
10%
10%
20%
20%
16 V
16 V
16 V
16 V
Feedback compensation.
Feedback compensation.
VDD bypass capacitor.
Isolated mode soft start (tie ISOSSFT to
VDD if this feature is not used).
R1
R2
R3
R4
R5
R6
R7
R8
D1
D2
D3
T1
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Diode
Diode
Diode
Transformer
25.5 k ?
4.99 k ?
100 ?
10 k ?
2.05 k ?
36.5 k ?
12.1 k ?
127 ?
10 A
1A
15 V
40 μH
1%
1%
1%
1%
1%
1%
1%
1%
1/16 W
1/16 W
1/16 W
1/16 W
1/16 W
1/16 W
1/16 W
1/16 W
40 V
100 V
9A
Detection resistor.
Pull-up resistor.
Feedback compensation resistor.
Feedback compensation resistor.
Pull-up resistor.
Feedback resistor divider.
Feedback resistor divider.
Classification resistor.
Schottky diode; part no. PN PDS1040.
Snubber diode (1N4148)
Snubber diode (DFLT15A)
Coilcraft part number FA2672 (5 V).
PS2911
TLV431
Optocoupler
Voltage reference
Rev. 1.31
9
相关PDF资料 |
PDF描述 |
|---|---|
| SI3460-EVB | BOARD EVAL POE FOR SI3460 |
| SI8220BD-A-IS | IC ISODRIVER 2.5A OPTO IN 16SOIC |
| SI8402AB-B-IS | IC I2C ISOLATOR BIDIR 8-SOIC |
| SI8405AB-A-IS1 | IC ISOLATOR 10M 6CH 2.5K 16SOIC |
| SI8423BD-B-IS | ISOLATOR 2CH 5KV 150M 16SOIC |
相关代理商/技术参数 |
参数描述 |
|---|---|
| Si3402ISO-EVB | 功能描述:电源管理IC开发工具 PoE Pwrd-Isolated Low-EMI Eval Board RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| SI3403-A-GM | 制造商:Silicon Laboratories Inc 功能描述:POE POWERED DEVICE (UP TO 17W, LOW-EMI) - RECOMMENDED FOR AL - Trays 制造商:Silicon Laboratories Inc 功能描述:IC POE CTLR TO 17W LOW EMI 20QFN 制造商:Silicon Laboratories Inc 功能描述:PoE Powered Device (up to 17W, low-EMI) |
| Si3403-A-GMR | 制造商:Silicon Laboratories Inc 功能描述:POE POWERED DEVICE (UP TO 17W, LOW-EMI) - RECOMMENDED FOR AL - Tape and Reel 制造商:Silicon Laboratories Inc 功能描述:PoE Powered Device (up to 17W, low-EMI) |
| SI3403DV-T1-E3 | 功能描述:MOSFET 20V 5.0A 3.2W RoHS:否 制造商:STMicroelectronics 晶体管极性:N-Channel 汲极/源极击穿电压:650 V 闸/源击穿电压:25 V 漏极连续电流:130 A 电阻汲极/源极 RDS（导通）:0.014 Ohms 配置:Single 最大工作温度: 安装风格:Through Hole 封装 / 箱体:Max247 封装:Tube |
| SI3403DV-T1-GE3 | 功能描述:MOSFET 20V 5.0A 3.2W 70mohm @ 4.5V RoHS:否 制造商:STMicroelectronics 晶体管极性:N-Channel 汲极/源极击穿电压:650 V 闸/源击穿电压:25 V 漏极连续电流:130 A 电阻汲极/源极 RDS（导通）:0.014 Ohms 配置:Single 最大工作温度: 安装风格:Through Hole 封装 / 箱体:Max247 封装:Tube |
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