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样片和购买
解决方案
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工具与软件
质量与可靠性
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  • The PM8801 integrates a standard compliant Power over Ethernet (PoE) interface and a current mode PWM controller to simplify the design of the power supply sections of all powered devices.

    The PoE/PoE+ interface incorporates all the functions required by the IEEE 802.3at including detection, classification, undervoltage lockout (UVLO) and inrush current limitation.
    The PM8801 specifically performs IEEE802.3at Layer1 hardware classification, providing an indication of type 2 PSE successful detection to the rest of the system.
    The PM8801 has been designed to work with power either from the Ethernet cable connection or from an external power source such as a wall adapter, ensuring prevalence of the auxiliary source with respect to the PoE interface.
    The DC/DC section of the PM8801 features a programmable oscillator frequency, an adjustable slope compensation, dual complementary low-side drivers with programmable delay time and internal temperature sensor.
    The PM8801 targets high-efficiency conversion at all load conditions supporting flyback, forward, forward active clamp and synchronous rectification.

    主要特性

    • IEEE 802.3at compliant PD interface
    • Works with power supplied from Ethernet LAN cables or from local auxiliary sources
    • Successful IEEE802.3at Layer1 classification indicator
    • Integrated 100 V, 0.45 Ω, 1 A hot-swap MOSFET
    • Accurate 140 mA typ. inrush current level
    • Programmable classification current
    • Sleep mode with LED indicator and Maintain Power Signature (MPS)
    • Precise DC current limit set at 640 mA typ.
    • Integrated high-voltage startup bias regulator
    • Thermal shutdown protection
    • Current mode pulse width modulator
    • Programmable oscillator frequency
    • 80% maximum duty cycle with internal slope compensation
    • Support for flyback, forward, forward active clamp, flyback with synchronous rectification

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00 选择要下载的文档

技术文档

    • 描述 版本 文档大小 操作
      DS7140
      High-efficiency, IEEE 802.3at compliant, integrated PoE-PD interface and PWM controller
      2.0
      1.53 MB
      PDF
      DS7140

      High-efficiency, IEEE 802.3at compliant, integrated PoE-PD interface and PWM controller

    • 描述 版本 文档大小 操作
      AN3373
      IEEE802.3at compliant PD + PS design based on PM8803 low power, synchronous flyback PoE converter
      1.0
      1.23 MB
      PDF
      AN3387
      PM8803 layout guidelines
      1.0
      944.44 KB
      PDF
      AN3373

      IEEE802.3at compliant PD + PS design based on PM8803 low power, synchronous flyback PoE converter

      AN3387

      PM8803 layout guidelines

出版刊物和宣传资料

    • 描述 版本 文档大小 操作
      电源管理指南 06.2019
      5.89 MB
      PDF

      电源管理指南

质量与可靠性

产品型号 Marketing Status 封装 等级规格 符合RoHS级别 材料声明**
PM8801
NRND
HTSSOP24 工业 Ecopack2
PM8801TR
NRND
HTSSOP24 工业 Ecopack2

PM8801

Package:

HTSSOP24

Material Declaration**:

PDF XML

Marketing Status

NRND

Package

HTSSOP24

Grade

Industrial

RoHS Compliance Grade

Ecopack2

PM8801TR

Package:

HTSSOP24

Material Declaration**:

PDF XML

Marketing Status

NRND

Package

HTSSOP24

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此,它们可能不是100%适用于特定的设备。有关特定设备的信息,请联系 销售支持

样片和购买

产品型号
从分销商订购
从ST订购
供货状态
ECCN (US)
ECCN (EU)
包装类型
封装
温度(ºC) Country of Origin
Budgetary Price (US$)*/Qty
最小值
最大值
PM8801 Available at 1 distributors

...的经销商可用性PM8801

代理商名称
地区 库存 最小订购量 第三方链接
Farnell Element14 EUROPE 37 1 马上订购

代理商库存报告日期: 2020-08-10

代理商名称

Farnell Element14

库存

37

Min.Order

1

地区

EUROPE 马上订购

代理商库存报告日期: 2020-08-10

立即购买
NRND
EAR99 NEC Tube HTSSOP24 - - PHILIPPINES
PM8801TR Available at 2 distributors

...的经销商可用性PM8801TR

代理商名称
地区 库存 最小订购量 第三方链接
MOUSER WORLDWIDE 2400 1 马上订购
Farnell Element14 EUROPE 37 1 马上订购

代理商库存报告日期: 2020-08-10

代理商名称

MOUSER

库存

2400

Min.Order

1

地区

WORLDWIDE 马上订购

Farnell Element14

库存

37

Min.Order

1

地区

EUROPE 马上订购

代理商库存报告日期: 2020-08-10

立即购买
NRND
EAR99 NEC Tape And Reel HTSSOP24 - - PHILIPPINES

PM8801

供货状态

NRND

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

...的经销商可用性PM8801

代理商名称
地区 库存 最小订购量 第三方链接
Farnell Element14 EUROPE 37 1 马上订购

代理商库存报告日期: 2020-08-10

代理商名称

Farnell Element14

库存

37

Min.Order

1

地区

EUROPE 马上订购

代理商库存报告日期: 2020-08-10

ECCN (EU)

NEC

包装类型

Tube

封装

HTSSOP24

Operating Temperature (°C)

(最小值)

-

(最大值)

-

Budgetary Price (US$)* / Qty

Country of Origin

PHILIPPINES

PM8801TR

供货状态

NRND

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

...的经销商可用性PM8801TR

代理商名称
地区 库存 最小订购量 第三方链接
MOUSER WORLDWIDE 2400 1 马上订购
Farnell Element14 EUROPE 37 1 马上订购

代理商库存报告日期: 2020-08-10

代理商名称

MOUSER

库存

2400

Min.Order

1

地区

WORLDWIDE 马上订购

Farnell Element14

库存

37

Min.Order

1

地区

EUROPE 马上订购

代理商库存报告日期: 2020-08-10

ECCN (EU)

NEC

包装类型

Tape And Reel

封装

HTSSOP24

Operating Temperature (°C)

(最小值)

-

(最大值)

-

Budgetary Price (US$)* / Qty

Country of Origin

PHILIPPINES

(*) 建议转售单价(美元)仅用于预算用途。如需以当地货币计价的报价,请联系您当地的 ST销售办事处 或我们的 经销商