PM8800ATR - ST Microelectronics

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

PM8800ATR
Manufacturer

ST Microelectronics
ChipWorker Part#

CW16019096
Category

Analog Switch Ic, Analog Switch Multiplexer
Package

HTSSOP-16
Description

POE Controller -0.3V 100V 12.95W 16Pin HTSSOP EP
Documentation

Datasheet

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PM8800ATR Specifications

Attribute	Attribute Value

Part Number	PM8800ATR
Manufacturer	ST Microelectronics
ChipWorker Part#	CW16019096
Category	Analog Switch Ic, Analog Switch Multiplexer
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	HTSSOP-16
Frequency	440 kHz
Output Current	800 mA
Supply Current	3 mA
Number of Channels	1 Channel
Number of Positions	16 Position
Duty Cycle	80 %
Input Voltage (Max)	100 V
Input Power (Max)	12.95 W
Input Power (Max)	12.95 W
Maximum Duty Cycle	80 %
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	48 V
Input Voltage	11.5 V
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Size-Height	1 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

The PM8800A integrates a standard 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 interface incorporates all the functions required by the IEEE 802.3af including detection, classification, under-voltage lockout (UVLO) and in-rush current limitation.
PM8800A specifically targets PD with extended power requirement with respect to the limit imposed by the 802.3af standard, embedding a hot-swap MOSFET capable of sustaining twice the current of the 802.3af standard with a programmable DC current limit.
The integrated switching regulator has been designed to work with power either form the Ethernet cable connection or from an external power source such as AC adapter.
The DC-DC section of the PM8800A features a programmable oscillator frequency, soft-start, slope compensation and embeds a voltage output error amplifier allowing use in both isolated and non isolated configuration.
**Key Features**
Current mode pulse width modulator
Thermal shutdown protection
Programmable soft-start
Programmable oscillator frequency
80% maximum duty cycle with internal slope compensation
Power good indication
Supports both isolated and non-isolated applications.
Programmable DCcurrent limit up to 800 mA
Programmable classification current
IEEE 802.3af compliant PD interface
Integrated 100V, 0. 5Ω, 800mA Hot-Swap MOSFET
Works with power supplied from Ethernet LAN cables or from local auxiliary sources
Programmable in-rush current limit
High voltage start-up bias regulator
Integrated signature resistor

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