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| 型号： | NCP1083DEG |
| 厂商： | ON Semiconductor |
| 文件页数： | 6/18页 |
| 文件大小： | 257K |
| 描述： | IC CONV CTLR POE-PD 40W 20-TSSOP |
| 标准包装： | 74 |
| 类型： | 以太网供电开关（PoE） |
| 应用： | 远程外设（工业控制，相机，数据访问） |
| 内部开关： | 是 |
| 电流限制： | 1.1A |
| 电源电压： | 0 V ~ 57 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽）裸露焊盘 |
| 供应商设备封装： | 20-TSSOP-EP |
| 包装： | 管件 |
NCP1083
http://onsemi.com
6
Table 2. ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Conditions
Min
Max
Unit
VPORTP
Input power supply
Voltage with respect to VPORTN
1,2
0.3
72
V
RTN
ARTN
Analog ground supply 2
Passswitch in offstate
(Voltage with respect to VPORTN
1,2
)
0.3
72
V
VDDH
Internal regulator output
Voltage with respect to ARTN
0.3
17
V
VDDL
Internal regulator output
Voltage with respect to ARTN
0.3
3.6
V
CLASS
Analog output
Voltage with respect to VPORTN
1,2
0.3
3.6
V
INRUSH
Analog output
Voltage with respect to VPORTN
1,2
0.3
3.6
V
ILIM1
Analog output
Voltage with respect to VPORTN
1,2
0.3
3.6
V
UVLO
Analog input
Voltage with respect to VPORTN
1,2
0.3
3.6
V
OSC
Analog output
Voltage with respect to ARTN
0.3
3.6
V
COMP
Analog input / output
Voltage with respect to ARTN
0.3
3.6
V
FB
Analog input
Voltage with respect to ARTN
0.3
3.6
V
CS
Analog input
Voltage with respect to ARTN
0.3
3.6
V
SS
Analog input
Voltage with respect to ARTN
0.3
3.6
V
nCLASS_AT
Analog output
Voltage with respect to ARTN
0.3
3.6
AUX
Analog input
Voltage with respect to VPORTN
1,2
0.3
3.6
V
TEST
Digital input
Voltage with respect to VPORTN
1,2
0.3
3.6
V
Ta
Ambient temperature
40
85
癈
Tj
Junction temperature
150
癈
TjTSD
Junction temperature (Note 1)
Thermal shutdown condition
175
癈
T
stg
Storage Temperature
55
150
癈
T
窲A
Thermal Resistance,
Junction to Air (Note 2)
Exposed pad connected to VPORTN
1,2
ground
37.6
癈/W
ESDHBM
Human Body Model
per JEDEC Standard JESD22
4
kV
ESDCDM
Charged Device Model
750
V
ESDMM
Machine Model
300
V
LU
Latchup
per JEDEC Standard JESD78
?00
mA
ESDSYS
System ESD (contact/air) (Note 3)
8/15
kV
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. TjTSD allowed during error conditions only. It is assumed that this maximum temperature condition does not occur more than 1 hour
cumulative during the useful life for reliability reasons.
2. Mounted on a 1S2P (3 layer) test board with copper coverage of 25 percent for the signal layers and 90 percent copper coverage for the
inner planes at an ambient temperature of 85癈 in still air. Refer to JEDEC JESD517 for details.
3. Surges per EN6100042, 1999 applied between RJ45 and output ground and between adapter input and output ground of the evaluation
board. The specified values are the test levels and not the failure levels.
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