LM25011A-Q1 - Texas Instruments

LM25011A-Q1 42-V 2-A Constant On-Time Switching Regulator

The LM25011 constant on-time step-down switching regulator features all the functions needed to implement a low-cost, efficient, buck bias regulator capable of supplying up to 2 A of load current. This high-voltage regulator contains an N-Channel Buck switch, a startup regulator, current limit detection, and internal ripple control. The constant on-time regu.

Features

•1 LM25011-Q1 is an Automotive Grade Product that is AEC-Q100 Grade 1 Qualified (
  –40°C to +125°C Operating Junction Temperature)
• LM25011A Allows Low-Dropout Operation at High Switching Frequency
• Input Operating Voltage Range: 6 V to 42 V
• Absolute Maximum Input Rating: 45 V
• Integrated 2-A N-Channel Buck Switch
• Adjustable Current Limit Allows for Smaller Inductor
• Adjustable Output Voltage from 2.51 V
• Minimum Ripple Voltage at VOUT
• Power Good Output
• Switching Frequency Adjustable to 2 MHz
• COT Topology Features:
  – Switching Frequency Remains Nearly Constant with Load Current an.