HomedatasheetLM5007MM

LM5007MM Datasheet

PMIC - Voltage Regulators - DC DC Switching Regulators
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Description

The LM5007MM Step Down Switching Regulator features all ofthe functions needed to implement low cost, efficient, Buckbias regulators. This high voltage regulator contains an 80 V,0.7A N-Channel Buck Switch. The device is easy to apply andis provided in the MSOP-8 and the thermally enhanced LLP-8packages. The regulator is based on a hysteretic controlscheme using an on time inversely proportional to VIN. Thisfeature allows the operating frequency to remain relativelyconstant with load and input voltage variations. The hystereticcontrol requires no control loop compensation, while providingvery fast load transient response. An intelligent currentlimit is implemented in the LM5007MM with forced off time that isinversely proportional to VOUT. This current limiting schemereduces load current foldback. Additional protection featuresinclude: Thermal Shutdown, Vcc undervoltage lockout, gatedrive undervoltage lockout, and Max Duty Cycle limiter. LM5007MM Features • Integrated 80V, 0.7A N-Channel Buck Switch• Internal HV Vcc Regulator• No Control Loop Compensation Required• Ultra-Fast Transient Response• On Time Varies Inversely with Line Voltage• Operating Frequency Nearly Constant with Varying LineVoltage• Adjustable Output Voltage• Highly Efficient Operation• Precision Reference• Low Bias Current• Intelligent Current Limit Protection• Thermal Shutdown• External Shutdown Control LM5007MM Applications • Non-Isolated Buck Regulator• Secondary High Voltage Post Regulator• +42V Automotive Systems
Features

Parameters

[{"Name":"Number of Outputs","Value":"1"},{"Name":"Voltage - Output","Value":"2.5 V ~ 73 V"},{"Name":"Voltage - Input","Value":"9 V ~ 75 V"},{"Name":"Current - Output","Value":"500mA"},{"Name":"Operating Temperature","Value":"-40°C ~ 125°C"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

ON SEMICONDUCTOR

ON Semiconductor - ON Semiconductor (Nasdaq: ON) is driving energy efficient innovations, empowering customers to reduce global energy use. The company offers a comprehensive portfolio of energy efficient power and signal management, logic, discrete and custom solutions to help design engineers solve their unique design challenges in automotive, communications, computing, consumer, industrial, LED lighting, medical, military/aerospace and power supply applications. ON Semiconductor operates a responsive, reliable, world-class supply chain and quality program, and a network of manufacturing facilities, sales offices and design centers in key markets throughout North America, Europe, and the Asia Pacific regions.

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