HomedatasheetLM5010AMHE/NOPB

LM5010AMHE/NOPB Datasheet

High-Voltage 1-A Step-Down Switching Regulator
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Description

Description
The LM5010Ax step-down switching regulator is an enhanced version of the LM5010 with the input operating range extended to 6-V minimum. The LM5010Ax features all the functions needed to implement a low-cost, efficient, buck regulator capable of supplying in excess of 1-A load current. This high-voltage regulator integrates an N-Channel Buck Switch, and is available in thermally enhanced 10-pin WSON and 14-pin HTSSOP packages. The constant ON-time regulation scheme requires no loop compensation resulting in fast load transient response and simplified circuit implementation. The operating frequency remains constant with line and load variations due to the inverse relationship between the input voltage and the ON-time. The valley current limit detection is set at 1.25 A. Additional features include: VCC undervoltage lockout, thermal shutdown, gate drive undervoltage lockout, and maximum duty cycle limiter.

Features
• LM5010A-Q1 Qualified for Automotive Applications
• AEC-Q100 Qualified With the Following Results:
   – Device Temperature Grade 1: –40°C to 125°C
      Ambient Operating Temperature Range
   – Device Temperature Grade 0: –40°C to 150°C
      Ambient Operating Temperature Range
   – Device HBM ESD Classification Level 2
   – Device CDM ESD Classification Level C5
• Wide 6-V to 75-V Input Voltage Range
• Valley Current Limit at 1.25 A
• Programmable Switching Frequency Up To 1 MHz
• Integrated 80-V N-Channel Buck Switch
• Integrated High Voltage Bias Regulator
• No Loop Compensation Required
• Ultra-Fast Transient Response
• Nearly Constant Operating Frequency With Line and Load Variations
• Adjustable Output Voltage
• 2.5-V, ±2% Feedback Reference
• Programmable Soft-Start
• Thermal Shutdown
• Exposed Thermal Pad for Improved Heat Dissipation

Applications
• Non-Isolated Telecommunications Regulators
• Secondary Side Post Regulators
• Automotive Electronics

Features

Parameters


Manufacturer information

TEXAS INSTRUMENTS

Texas Instruments introduction - Texas Instruments Incorporated (TI) is a global semiconductor design and manufacturing company that develops analog ICs and embedded processors. By employing the world's brightest minds, TI creates innovations that shape the future of technology. TI is helping more than 100,000 customers transform the future, today.

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