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| 型号： | NCP1082DEG |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/17页 |
| 文件大小： | 214K |
| 描述： | IC CONV CTLR POE-PD 13W 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： | 500mA |
| 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 |
?Semiconductor Components Industries, LLC, 2013
May, 2013 Rev. 3
1
Publication Order Number:
NCP1082/D
NCP1082
Integrated PoE-PD & DC-DC
Converter Controller with
9V Auxiliary Supply Support
Introduction
The NCP1082 is a member of ON Semiconductors Power over
Ethernet Powered Device (PoEPD) product family and represents a
robust, flexible and highly integrated solution targeting demanding
Ethernet applications. It combines in a single unit an enhanced
PoEPD interface fully supporting the IEEE 802.3af specification and
a flexible and configurable DCDC converter controller.
The NCP1082s exceptional capabilities enable applications to
smoothly transition from nonPoE to PoE enabled networks by also
supporting power from auxiliary sources such as AC power adapters
and battery supplies, eliminating the need for a second switching
power supply.
ON Semiconductors unique manufacturing process and design
enhancements allow the NCP1082 to deliver up to 13 W of regulated
power to support PoE applications according to the IEEE 802.3af
standard. This device leverages the significant cost advantages of
PoEenabled systems to a broad spectrum of products in markets such
as VoIP phones, wireless LAN access points, security cameras, point
of sales terminals, RFID readers, industrial ethernet devices, etc.
The integrated current mode DCDC controller facilitates isolated
and nonisolated flyback, forward and buck converter topologies. It
has all the features necessary for a flexible, robust and highly efficient
design including programmable switching frequency, duty cycle up to
80 percent, slope compensation, and soft startup.
The NCP1082 is fabricated in a robust high voltage process and
integrates a rugged vertical Nchannel DMOS with a low loss current
sense technique suitable for the most demanding environments and
capable of withstanding harsh environments such as hot swap and
cable ESD events.
The NCP1082 complements ON Semiconductors ASSP portfolio
in communications and industrial devices and can be combined with
other highvoltage interfacing devices to offer complete solutions to
the communication, industrial and security markets.
Features
" This is a PbFree Device
Powered Device Interface
" Flexible Auxiliary Power Supply Support
" 9 V Front, Rear and Direct Auxiliary Supply
Connections
" Fully Supports IEEE 802.3af Standard
" Regulated Power Output up to 13 W
" Programmable Classification Current
" Adjustable Under Voltage Lock Out
" Programmable Inrush Current Limit
" Programmable Operational Current Limit up to 500 mA
" Overtemperature Protection
" Industrial Temperature Range 40?/SPAN>C to 85?/SPAN>C with Full
Operation up to 150癈 Junction Temperature
" 0.6 Ohm Hotswap Passswitch with Low Loss
Current Sense Technique
" Vertical Nchannel DMOS Passswitch Offers the
Robustness of Discrete MOSFETs with Integrated
Temperature Control
http://onsemi.com
NCP1082 = Specific Device Code
XXXX = Date Code
Y
= Assembly Location
ZZ
= Traceability Code
TSSOP20 EP
DE SUFFIX
CASE 948AB
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
ORDERING INFORMATION
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NCP1082DER2G | 功能描述:直流/直流开关转换器 POE-PD 13W DC-DC AUX SUPP RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| NCP1083 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Integrated High Power PoE-PD Interface & DC-DC Converter Controller with 9V Auxiliary Supply Support |
| NCP10-837R-D | 制造商:Panduit Corp 功能描述: |
| NCP1083DEG | 功能描述:DC/DC 开关控制器 POE-PD 40W DC-DC AUX SUPP RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| NCP1083DER2G | 功能描述:DC/DC 开关控制器 POE-PD 40W DC-DC AUX SUPP RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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