參數(shù)資料
型號: NCP1081DEG
廠商: ON Semiconductor
文件頁數(shù): 2/18頁
文件大?。?/td> 257K
描述: IC CONV CTLR POE-PD 40W 20-TSSOP
標準包裝: 74
類型: 以太網(wǎng)供電開關(guān)(PoE)
應(yīng)用: 遠程外設(shè)(工業(yè)控制,相機,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
2
DCDC Converter Controller
" Current Mode Control
" Supports Isolated and Nonisolated DCDC Converter
Applications
" Internal Voltage Regulators
" Wide Duty Cycle Range with Internal Slope
Compensation Circuitry
" Programmable Oscillator Frequency
" Programmable Softstart Time
(Top View)
PIN DIAGRAM
Exposed
Pad
1
SS
FB
COMP
VDDL
VDDH
GATE
ARTN
nCLASS_AT
CS
OSC
VPORTP
CLASS
UVLO
INRUSH
ILIM1
VPORTN1
RTN
VPORTN2
TEST1
TEST2
ORDERING INFORMATION
Part Number
Package
Shipping Configuration
 
Temperature Range
NCP1081DEG
TSSOP20 EP
(PbFree)
74 units / Tube
40癈 to 85癈
NCP1081DER2G
TSSOP20 EP
(PbFree)
2500 / Tape & Reel
40癈 to 85癈
 For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specification Brochure, BRD8011/D.
Figure 1. NCP1081 Block Diagram
INTERNAL
SUPPLY
VDDH
INRUSH
ILIM1
CLASSIFICATION
DETECTION
VPORTN1,2
VPORTP
CLASS
INRUSH
ILIM1
VDDH
nCLASS_AT
VDDL
THERMAL
HOT SWAP SWITCH
CONTROL & CURRENT
LIMIT BLOCKS
UVLO
UVLO
RTN
ARTN
1.2 V
CONTROL
OSC
SS
FB
GATE
VDDL
VDDL
VDDL
VDDH
5 K
OSC
VDDL
VDDL
VPORT
MONITOR
20 mA
COMP
CS
5 mA
SHUT
DOWN
CONVERTER
DCDC
&
BANDGAP
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