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| 型号： | MAX5969AETE+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 7/14页 |
| 文件大小： | 0K |
| 描述： | IC CTLR INTERFACE W/MOSF 10TDFN |
| 标准包装： | 2,500 |
| 类型： | 以太网供电控制器 PD 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： | 720mA 至 880mA |
| 电源电压： | 60V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
IEEE 802.3af/at-Compliant, Powered Device Interface
Controllers with Integrated Power MOSFET
Pin Description
PIN
1
2
3
4
5
6
7
8
9
10
––
NAME
V DD
DET
N.C.
I.C.
V SS
RTN
WAD
PG
2EC
CLS
EP
FUNCTION
Positive Supply Input. Connect a 68nF (min) bypass capacitor between V DD and V SS .
Detection Resistor Input. Connect a signature resistor (R DET = 24.9k I ) from DET to V DD .
No Connection. Not internally connected.
Internally Connected. Leave unconnected.
Negative Supply Input. V SS connects to the source of the integrated isolation n-channel power
MOSFET.
Drain of Isolation MOSFET. RTN connects to the drain of the integrated isolation n-channel power
MOSFET. Connect RTN to the downstream DC-DC converter ground as shown in the Typical
Application Circuit .
Wall Power Adapter Detector Input. Wall adapter detection is enabled the moment V DD - V SS crosses
the mark event threshold. Detection occurs when the voltage from WAD to RTN is greater than 9V.
When a wall power adapter is present, the isolation n-channel power MOSFET turns off, 2EC current
sink turns on. Connect WAD directly to RTN when the wall power adapter or other auxiliary power
source is not used.
Open-Drain Power-Good Indicator Output. PG sinks 230 F A to disable the downstream DC-DC converter
while turning on the hot-swap MOSFET switch until the hot-swap switch is fully on. PG current sink is
disabled during detection, classification, and in the steady-state power mode.
Active-Low 2-Event Classification Detect or Wall Adapter Detect Output. A 1.5mA current sink is
enabled at 2EC when a Type 2 PSE or a wall adapter is detected. When powered by a Type 2 PSE, the
2EC current sink is enabled and latched low after the isolation MOSFET is fully on until V IN drops below
the UVLO threshold. 2EC also asserts when a wall adapter supply, typically greater than 9V, is applied
between WAD and RTN. 2EC is not latched if asserted by WAD.
Classification Resistor Input. Connect a resistor (R CLS ) from CLS to V SS to set the desired classification
current. See the classification current specifications in the Electrical Characteristics table to find the resis-
tor value for a particular PD classification.
Exposed Pad. Do not use EP as an electrical connection to V SS . EP is internally connected to V SS
through a resistive path and must be connected to V SS externally. To optimize power dissipation, solder
the exposed pad to a large copper power plane.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5969AEVKIT# | 功能描述:电源管理IC开发工具 MAX5969A Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX5969BETB+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube 制造商:Maxim Integrated Products 功能描述:1-/2-CHANNEL, 2-WIRE SERIAL, 12-BIT ADCS |
| MAX5969BETB+T | 功能描述:热插拔功率分布 802.3at PD Int Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5969BETE+T | 功能描述:热插拔功率分布 802.3at PD Int Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5969BEVKIT | 功能描述:电源管理IC开发工具 RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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