參數(shù)資料
型號(hào): NCP1081DEG
廠商: ON Semiconductor
文件頁數(shù): 10/18頁
文件大小: 257K
描述: IC CONV CTLR POE-PD 40W 20-TSSOP
標(biāo)準(zhǔn)包裝: 74
類型: 以太網(wǎng)供電開關(guān)(PoE)
應(yīng)用: 遠(yuǎn)程外設(shè)(工業(yè)控制,相機(jī),數(shù)據(jù)訪問)
內(nèi)部開關(guān):
電流限制: 1.1A
電源電壓: 0 V ~ 57 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)裸露焊盤
供應(yīng)商設(shè)備封裝: 20-TSSOP-EP
包裝: 管件
NCP1081
http://onsemi.com
10
Table 3. OPERATING CONDITIONS
Symbol
Parameter
Min.
Typ.
Max.
Units
Conditions
CURRENT CONSUMPTION
IvportP
1
VPORTP internal current consumption
(Note 12)

2.5
3.5
mA
DCDC controller off
IvportP
2
VPORTP internal current consumption
(Note 13)

4.7
6.5
mA
DCDC controller on
THERMAL SHUTDOWN
TSD
Thermal shutdown threshold
150


癈 Tj
Tj = junction temperature
Thyst
Thermal hysteresis

15

癈 Tj
Tj = junction temperature
THERMAL RATINGS
Ta
Ambient temperature
40

85
Tj
Junction temperature


125
150
Parametric values guaranteed
Max 1000 hours
12.Conditions
a. No current through the passswitch
b. DCDC controller inactive (SS shorted to RTN)
c. No external load on VDDH and VDDL
d. VPORTP = 57 V
13.Conditions
a. No current through the passswitch
b. Oscillator frequency = 100 kHz
c. No external load on VDDH and VDDL
d. Aux winding not used
e. 2 nF on GATE, DCDC controller enabled
f. VPORTP = 57 V
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