LM25019 (ACTIVE) 7.5-48V Wide Vin, 100mA Constant On-Time Synchronous Buck Regulator


Models (4)

Title Category Type Date
LM25019 Unencrypted PSpice Transient Model PSpice Model ZIP 25 Feb 2016
LM25019 TINA-TI Transient Spice Model TINA-TI Spice Model ZIP 22 Dec 2015
LM25019 TINA-TI Reference Design TINA-TI Reference Design TSC 22 Dec 2015
LM25019 PSpice Transient Model PSpice Model ZIP 30 Jan 2013

Design kits & evaluation modules (3)

Name Part# Type
LM25019 Wide Vin Synchronous Step-down Regulator Evaluation Module LM25019MR-EVM Evaluation Modules & Boards
LM5019 Isolated Bias Supply Evaluation Board LM5019ISOEVAL Evaluation Modules & Boards
LM5019 Wide Vin Synchronous Buck Regulator Evaluation Board LM5019EVAL Evaluation Modules & Boards

Reference designs

NAMUR PLC Digital input with fault protection and diagnostics reference design

The NAMUR proximity sensor is widely used in industrial control when a special requirement on maximum energy is to be fulfilled by the sensor. This in turn dictates special requirements on the PLC digital input designed to interface with such sensor with regard to accuracy, and reliability. This (...)

View the Important Notice for reference designs covering authorized use, intellectual property matters and disclaimers.

Description Part Number Company Tool Type
Low-Power Isolated Supply, Input range: 36V to 75V, Output: 10V @ 120mA, LM5017 PMP7798 Texas Instruments Reference designs

Development tools (1)

Name Part# Type
Fly-Buck and Flyback Topology Selector FLYBUCK-FLYBACK-DESIGN-CALC Calculation Tools

WEBENCH ® Designer LM25019

  Min   Max Range
Vin -  V 9.00 to 48.00V
Vout  V 1.25 to 48.00V
Iout  A ≤ 0.10A
Ambient Temp   °C ≤ 100 °C
Isolated Output