参数资料
型号: SI3402ISO-EVB
厂商: Silicon Laboratories Inc
文件页数: 9/22页
文件大小: 0K
描述: BOARD EVAL POE ISOL 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,隔离
输出电压: 5V
输入电压: 44 ~ 57 V
稳压器拓扑结构: 回扫
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: 336-1828
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
MBR3050PT DIODE SCHOTTKY 30A 50V TO-247AD
T95D277M004LZSS CAP TANT 270UF 4V 20% 2917
VI-23Z-CV-S CONVERTER MOD DC/DC 2V 60W
IRDC3856 BOARD EVAL FOR IR3856
IRDC3839 KIT EVAL REG 6A SUPIRBUCK DC/DC
相关代理商/技术参数
参数描述
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
SI3407DV 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:P-Channel 20-V (D-S) MOSFET