参数资料
型号: NCP1090DG
厂商: ON Semiconductor
文件页数: 9/12页
文件大小: 0K
描述: IC INTERFACE CTLR POE-PD 8-SOIC
特色产品: NCP1090 Controller
标准包装: 96
系列: HIPO™
控制器类型: PoE-PD 接口
接口: IEEE 802.3af
电流 - 电源: 500mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 散装
其它名称: NCP1090DGOS
NCP1090, NCP1091, NCP1092
http://onsemi.com
6
Table 3. OPERATING CONDITIONS (All values are with respect to VPORTN unless otherwise noted.)
Symbol
Conditions
Units
Max
Typ
Min
Parameter
PASSSWITCH AND CURRENT LIMITING
Ron
Passswitch Rdson
0.5
1
W
Measured with I(RTN) =
200 mA
I_inrush
Inrush current with Rinrush = 178 kW
75
120
170
mA
Measured at
RTNVPORTN = 3 V
I_ilim
Operating current limit with Rinrush =
178 kW
425
500
575
mA
Current limit threshold
POWER GOOD INDICATOR
Vds_pgood_on
RTNVPORTN threshold voltage
required for power good status
0.8
1
1.2
V
RTNVPORTN falling
Vds_pgood_off
RTNVPORTN latchoff threshold
voltage
9
10
11
V
RTNVPORTN rising
Pgood_filter
PGOOD filter time
100
mS
Rising and falling /
for information only
Ipgood
I(PGOOD) sinking current
5
mA
Vpgood_low
PGOOD voltage output low
0.2
0.5
V
Voltage with respect to RTN
CURRENT CONSUMPTION
IvportP
I(VPORTP) internal current
consumption
600
900
mA
VPORTP = 48 V
THERMAL SHUTDOWN
TSD
Thermal shutdown threshold
150
°C Tj
Tj = junction temperature
Thyst
Thermal hysteresis
15
°C Tj
Tj = junction temperature
THERMAL RATINGS
Ta
Ambient temperature
40
85
°C
Tj
Junction temperature
125
°C
3. A tolerance of 1% on the Rclass resistor is included in the min/max values.
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