参数资料
型号: SI3402-A-GMR
厂商: Silicon Laboratories Inc
文件页数: 4/22页
文件大小: 0K
描述: IC POE PD LOW EMI SW REG 20VQFN
标准包装: 2,500
类型: 以太网供电开关(PoE)
应用: IP 电话,LAN 网络供电,网络路由器和交换机
内部开关:
电流限制: 470mA
电源电压: 2.8 V ~ 57 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-VQFN 裸露焊盘
供应商设备封装: 20-QFN(5x5)
包装: 带卷 (TR)
Si3402
1. Electrical Specifications
Table 1. Recommended Operating Conditions
Description
|CT1 – CT2| or |SP1 – SP2|
Ambient Operating Temperature
Symbol
VPORT
TA
Min
2.8
–40
Typ
25
Max
57
85
Units
V
°C
Note: Unless otherwise noted, all voltages referenced to VNEG. All minimum and maximum specifications are guaranteed
and apply across the recommended operating conditions. Typical values apply at nominal supply voltage and ambient
temperature unless otherwise noted.
Table 2. Absolute Maximum Ratings 1
SP1 to SP2
VPOS
Type
Voltage
Current
Ambient Temperature
Description
CT1 to CT2 2
2
VPOS 3
HSO
V SS1 , V SS2 , or V SSA
V SS1 to V SS2 or V SSA
SWO 4
3
PLOSS to VPOS
RDET
VDD to VSS1, VSS2, or VSSA
CT1, CT2, SP1, SP2
3
Storage
Operating
Rating
–82 to 82
–82 to 82
–0.7 to 80
–0.7 to 80
–0.7 to 80
–0.3 to 0.3
–0.7 to 86
–80 to 0.7
–0.7 to 80
–0.3 to 5
–5 to 5
–5 to 5
–65 to 150
–40 to 85
Unit
V
A
°C
Notes:
1. Unless otherwise noted, all voltages referenced to VNEG. Permanent device damage may occur if the maximum
ratings are exceeded. Functional operation should be restricted to those conditions specified in the operational
sections of this data sheet. Exposure to absolute maximum rating conditions for extended periods may adversely affect
device reliability.
2. Transient surge is defined in IEC60060 as a 1000 V impulse of either polarity applied across CT1–CT2 or SP1–SP2.
The shape of the impulse shall have a 300 ns full rise time and a 50 μs half fall time, with 201 ? source impedance.
3. VPOS is equal to VPOSF and VPOSS tied together for test condition purposes.
4. SWO is referenced to V SS1 and V SS2 , which are normally tied together.
4
Rev. 1.31
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