LM3281 - 6-MHz Miniature Step-Down DC-DC Converter

Texas Instruments

LM3281 Datasheet Preview — Preview of LM3281 PDF

Datasheet Details

Part number	LM3281
Manufacturer	Texas Instruments ↗
File Size	1.07 MB
Description	6-MHz Miniature Step-Down DC-DC Converter
Datasheet	LM3281-etcTI.pdf

LM3281 Product details

Description

The LM3281 is a high-efficiency low-noise miniature DC-DC converter optimized for powering noisesensitive wireless connectivity chipsets and RF Front End Modules (FEMs) from a single Lithium-Ion cell.

Features

1 Operates from a Single Li-Ion Cell (3 V to 5.5 V).
6-MHz (typ. ) PWM Switching Frequency.
Fixed Output Voltage: 3.3 V.
Up to 1.2-A Maximum Load Capability.
High Efficiency: 94% (typ. ) with 3.8-V VIN at 300 mA.
Analog Bypass: 60-mV (typ. ) Drop-Out at 600 mA.
Low IQ: 16 µA typical, 25 µA maximum.
Automatic ECO/PWM/Bypass Mode Change.
Forced PWM Mode for Low Output-Voltage Ripple.
Soft-Start Limits Input Curr.

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Published: Mar 14, 2020 |