Product Folder
Sample & Buy
Technical Documents
Tools & Software
Support & Community
Reference Design
LM3671, LM36...
Product Folder
Sample & Buy
Technical Documents
Tools & Software
Support & Community
Reference Design
LM3671, LM3671-Q1
SNVS294S – NOVEMBER 2004 – REVISED MAY 2016
LM3671/-Q1 2-MHz, 600-mA Step-Down DC-DC Converter
1 Features
1 LM3671-Q1 is Qualified for Automotive Applications
AEC Q100-Qualified With the Following Results – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature Range
16-µA Typical Quiescent Current 600-mA Maximum Load Capability 2-MHz PWM Fixed Switching Frequency (Typical) Automatic PFM-PWM Mode Switching Internal Synchronous Rectification for High
Efficiency Internal Soft Start 0.01-µA Typical Shutdown Current Operates from a Single Li-Ion Cell Battery Only Three Tiny Surface-Mount External
Components Required (One Inductor, Two Ceramic
Capacitors) Current Overload and Thermal Shutdown Protection Available in Fixed Output
Voltages and Adjustable Version
2 Applications
Mobile Phones PDAs MP3 Players W-LAN Portable Instruments Digital Still Cameras Portable Hard Disk Drives Automotive Portable Medical Equipment Handheld Transaction Terminals Wireless Home-Automation Equipment
3 Description
The LM3671 step-down DC-DC converter is optimized for powering low
voltage circuits from a single Li-Ion cell battery and input
voltage rails from 2.7 V to 5.5 V. It provides up to 600-mA load current, over the entire input
voltage range. There are several different fixed
voltage output options avail...
