LT3975

PRODUCTION

42V, 2.5A, 2MHz Step-Down Switching Regulator with 2.7µA Quiescent Current

Part Models
6
1ku List Price
Starting From $3.72
Viewing:

Part Details

  • Ultralow Quiescent Current:
    • 2.7μA IQ at 12VIN to 3.3VOUT
  • Low Ripple Burst Mode® Operation
    • Output Ripple < 15mVP-P
  • Wide Input Range: Operation from 4.3V to 42V
  • 2.5A Maximum Output Current
  • Excellent Start-Up and Dropout Performance
  • Adjustable Switching Frequency: 200kHz to 2MHz
  • Synchronizable Between 250kHz to 2MHz
  • Accurate Programmable Undervoltage Lockout
  • Low Shutdown Current: IQ = 700nA
  • Power Good Flag
  • Soft-Start Capability
  • Thermal Shutdown Protection
  • Current Limit Foldback with Soft-Start Override
  • Saturating Switch Design: 75mΩ On Resistance
  • Small, Thermally Enhanced 16-Lead MSOP Package
LT3975
42V, 2.5A, 2MHz Step-Down Switching Regulator with 2.7µA Quiescent Current
3.3V Step-Down Converter No-Load Supply Current Product Package 1
Add to myAnalog

Add product to the Products section of myAnalog (to receive notifications), to an existing project or to a new project.

Create New Project
Ask a Question

Documentation

Data Sheet

This is the most up-to-date revision of the Data Sheet.

Learn More
Add to myAnalog

Add media to the Resources section of myAnalog, to an existing project or to a new project.

Create New Project

Software Resources

Can't find the software or driver you need?

Request a Driver/Software

Hardware Ecosystem

Parts Product Life Cycle Description
PowerPath, Ideal Diodes, and Load Switches 1
LTC4417 RECOMMENDED FOR NEW DESIGNS Prioritized PowerPath Controller
Silicon Oscillators 1
LTC6908 Resistor Set SOT-23 Oscillator with Spread Spectrum Modulation
Surge Stopper, Overvoltage, and Overcurrent Protection 1
LT4363 RECOMMENDED FOR NEW DESIGNS High Voltage Surge Stopper with Current Limit
Modal heading
Add to myAnalog

Add product to the Products section of myAnalog (to receive notifications), to an existing project or to a new project.

Create New Project

Tools & Simulations

LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.


Evaluation Kits

eval board
DC1736A

LT3975 Demo Board I 4.3V ≤ VIN ≤ 42V; VOUT = 3.3V @ 2.5A

Product Details

Demonstration circuit 1736A is a monolithic step-down DC/DC switching regulator featuring the LT3975. The demo circuit is designed for 3.3V, 2.5A output from a 4.3V to 42V input.

DC1736A
LT3975 Demo Board I 4.3V ≤ VIN ≤ 42V; VOUT = 3.3V @ 2.5A
DC1736A - Schematic

Latest Discussions

Recently Viewed