Datasheet4U Logo Datasheet4U.com

LM3409 - P-FET Buck Controller

Datasheet Summary

Description

The LM3409, LM3409-Q1, LM3409HV, and LM3409HV-Q1 are P-channel MOSFET (PFET) controllers for step-down (buck) current regulators.

Features

  • 1 LM3409-Q1 and LM3409HV-Q1 are Automotive Grade Products: AEC-Q100 Grade 1 Qualified.
  • 2-Ω, 1-A Peak MOSFET Gate Drive.
  • VIN Range: 6 V to 42 V (LM3409, LM3409-Q1).
  • VIN Range: 6 V to 75 V (LM3409HV, LM3409HV- Q1).
  • Differential, High-Side Current Sense.
  • Cycle-by-Cycle Current Limit.
  • No Control Loop Compensation Required.
  • 10,000:1 PWM Dimming Range.
  • 250:1 Analog Dimming Range.
  • Supports All-Ceramic Output Capac.

📥 Download Datasheet

Datasheet preview – LM3409

Datasheet Details

Part number LM3409
Manufacturer Texas Instruments
File Size 1.70 MB
Description P-FET Buck Controller
Datasheet download datasheet LM3409 Datasheet
Additional preview pages of the LM3409 datasheet.

📁 Similar Datasheet

  • LM3409 - PFET Buck Controller (National Semiconductor)
  • LM3409HV - PFET Buck Controller (National Semiconductor)
  • LM3409Q - PFET Buck Controller (National Semiconductor)
  • LM3409QHV - PFET Buck Controller (National Semiconductor)
  • LM340 - Three Terminal Positive Voltage Regulators (Motorola Inc)
  • LM340 - 3-Terminal Positive Regulators (National Semiconductor)
  • LM340 - THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS (ON Semiconductor)
  • LM3401 - Quad Amplifiers (National Semiconductor)
  • LM3402 - 0.5A Constant Current Buck Regulator (National Semiconductor)
  • LM3402HV - 0.5A Constant Current Buck Regulator (National Semiconductor)
Other Datasheets by Texas Instruments
  • LM3409-Q1 - P-FET Buck Controller
  • LM3409HV - P-FET Buck Controller
  • LM3409HV-Q1 - P-FET Buck Controller
  • LM340 - 1.5-A Fixed Voltage Regulators
  • LM340-N - 3-Terminal Positive Regulators
  • LM3401 - Hysteretic PFET Controller
  • LM3402 - 0.5-A Constant Current Buck Regulator
  • LM3402HV - 0.5-A Constant Current Buck Regulator

Full PDF Text Transcription

Click to expand full text
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design LM3409, LM3409-Q1, LM3409HV, LM3409HV-Q1 SNVS602L – MARCH 2009 – REVISED JUNE 2016 LM3409, -Q1, LM3409HV, -Q1 P-FET Buck Controller for High-Power LED Drivers 1 Features •1 LM3409-Q1 and LM3409HV-Q1 are Automotive Grade Products: AEC-Q100 Grade 1 Qualified • 2-Ω, 1-A Peak MOSFET Gate Drive • VIN Range: 6 V to 42 V (LM3409, LM3409-Q1) • VIN Range: 6 V to 75 V (LM3409HV, LM3409HV- Q1) • Differential, High-Side Current Sense • Cycle-by-Cycle Current Limit • No Control Loop Compensation Required • 10,000:1 PWM Dimming Range • 250:1 Analog Dimming Range • Supports All-Ceramic Output Capacitors and Capacitor-less Outputs • Low-Power Shutdown and Thermal Shutdown • Thermally Enhanced 10-Pi
Published: |