LT3686HDD#PBF

$8.46

Description：IC REG BUCK ADJ 1.2A 10DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:310cac7535ec 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 1.2A 10DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：3.6V
Voltage - Input (Max)：37V
Voltage - Output (Min/Fixed)：0.8V
Voltage - Output (Max)：37V
Current - Output：1.2A
Frequency - Switching：300kHz ~ 2.5MHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 150°C (TJ)
Mounting Type：Surface Mount
Package / Case：10-WFDFN Exposed Pad
Supplier Device Package：10-DFN (3x3)

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LT3686HDD#PBF

Overview

The LT3686HDD#PBF is a current mode PWM step-down DC/DC converter featuring an internal 1.2A power switch housed in a 10-lead 3mm × 3mm DFN package. It supports a wide input voltage range from 3.6V to 37V, making it suitable for various power sources. The device offers an adjustable output voltage starting from 0.8V with a maximum of 30V. Operating frequencies are selectable between 300kHz and 2.5MHz. It functions within a temperature range of -40°C to +125°C.

Feature Summary

Integrates a 1.2A power switch within a compact 3mm x 3mm DFN footprint
Supports wide input voltage ranges from 3.6V to 37V
Allows flexible output voltage adjustment down to 0.8V
Provides selectable switching frequencies up to 2.5MHz

Applications

Battery-powered portable equipment
Industrial control systems
Communication infrastructure

Procurement Notes

Verify the specific suffix PBF indicates lead-free compliance against manufacturer documentation. Confirm the DD package variant matches design requirements. Ensure thermal management aligns with the exposed pad specifications. Cross-reference the datasheet revision date for latest electrical characteristics. Validate supply chain authenticity through authorized channels.

Selection Notes

Evaluate input voltage stability against the 3.6V minimum threshold. Consider thermal dissipation capabilities due to the small DFN package size. Check if the 1.2A current limit meets peak load demands. Assess PCB layout constraints for the 3mm x 3mm footprint. Verify compatibility with required output voltage ranges above 0.8V.

Part Context

This component belongs to the LT3686 series of high-efficiency buck converters. It is designed for applications requiring high power density and wide input voltage tolerance. The series targets space-constrained designs needing robust performance across industrial temperature ranges.