LT3682EDD#TRPBF

$8.29

Description：IC REG BUCK ADJ 1A 12DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:488be87f6bfe Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BUCK ADJ 1A 12DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：3.6V
Voltage - Input (Max)：36V
Voltage - Output (Min/Fixed)：0.8V
Voltage - Output (Max)：20V
Current - Output：1A
Frequency - Switching：250kHz ~ 2.2MHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：12-WFDFN Exposed Pad
Supplier Device Package：12-DFN (3x3)
Grade：-
Qualification：-

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LT3682EDD#TRPBF

Overview

The LT3682EDD#TRPBF is a monolithic step-down switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 3.6V to 36V and delivers up to 1A output current. The device features a programmable switching frequency from 250kHz to 2.2MHz and provides an adjustable output voltage down to 0.8V. Packaged in a thermally enhanced 12-WFDFN (3x3mm) exposed pad, it supports surface mount installation and functions within a junction temperature range of -40°C to 125°C.

Feature Summary

Integrates a high-efficiency power switch for compact step-down conversion
Features resistor-programmable switching frequency for optimized external component selection
Includes cycle-by-cycle current limit protection against shorted outputs
Provides soft-start functionality to eliminate input current surge during start-up

Applications

Regulating power from unregulated wall transformers
Powering systems from 24V industrial supplies
Battery-powered equipment requiring low shutdown current
Automotive battery regulation applications

Procurement Notes

Verify the specific suffix TRPBF indicates tape and reel packaging when ordering. Confirm the 12-WFDFN package dimensions match your PCB footprint requirements. Ensure the design accommodates the exposed thermal pad for proper heat dissipation. Check that the input voltage source remains within the 36V maximum limit under all operating conditions.

Selection Notes

Select this component when a wide input voltage range up to 36V is required with moderate 1A output capability. Choose this part over synchronous alternatives if non-synchronous topology meets efficiency targets. Consider the programmable frequency feature to minimize passive component size. Verify that the 0.8V minimum output voltage aligns with the load requirements.

Part Context

This device belongs to the LT3682 family of step-down regulators designed for high-voltage inputs. It shares architectural similarities with other Linear Technology converters like the LT3505 but offers distinct current and package variations. The product line focuses on integrating power switches into small DFN packages for space-constrained designs.