LM5071MT-50

所属类别：控制器controller
产品名称：对以太网PD控制器
厂商：NSC
生产批号：10+
封装：TSSOP-16
库存状态：有库存
库存量：5000
最低订购量：1
详细资料：

Product Introduction

peculiarity

Compatible with 12V AC adapters
Fully 802.3af compliant power interface port
80V，1 , 400 mAh internal MOSFET
Detect resistor disconnection function
Programmable classified current
Programmable undervoltage latching with programmable hysteresis
Thermal shutdown protection
Auxiliary power pin
Current mode pulse width modulator
Supports both isolated and non-isolated applications
Error amplifiers and reference non-isolated applications
Programmable oscillator frequency
Programmable soft start
80% maximum duty cycle limit, slope compensation (-80 devices)
50% maximum duty cycle limit with no slope compensation (-50 devices)

illustrate

The LM5071 power interface port and pulse width modulation (PWM) controller provide a complete integrated solution for connecting to Power Supply Devices (PDs) powered by Power over Ethernet (PoE) systems. The LM5071 is designed for PD and must accept backup power designs such as AC adapters. The auxiliary power interface of the LM5071 activates the PWM controller when the power of the PD power supply network of the AC adapter connected to the power supply is not available. The LM5071 integrates an 80V, 400 mA wire-connected switch with a fully IEEE 802.3af compliant interface and a full-featured current-mode pulse width modulator DC-DC converter-related control. The interface between all power sequencing controllers and the requirement for switch-mode power supplies (SMPS) is integrated into the IC.

The ICs associated with the LM5071MT-50 include:

Model	Manufacturers	lot number	encapsulation	illustrate
LM5071MT-80/NOPB		10+11+		Hong Kong spot, imported original
LM5071MT-50	NSC	10+	TSSOP-16	To the Ethernet PD controller
LM5071MTX-50	NSC	10+	TSSOP	Power supply auxiliary power interface to Ethernet PD controller
LM5071MTX-80	NSC	10+	TSSOP-16	Power supply auxiliary power interface to Ethernet PD controller
LM5071MT-80	NS	10	TSSOP-16	Brand new original

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LM5071MT-50

The ICs associated with the LM5071MT-50 include:

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