LT3480IDD#TRPBF

$10.63

Description：IC REG BUCK ADJ 2A 10DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:692c03df42b1 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 2A 10DFN
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)：0.79V
Voltage - Output (Max)：20V
Current - Output：2A
Frequency - Switching：200kHz ~ 2.4MHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：10-WFDFN Exposed Pad
Supplier Device Package：10-DFN (3x3)

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LT3480IDD#TRPBF

Overview

The LT3480IDD#TRPBF is a micropower synchronous step-down switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 3.6 V to 36 V and delivers up to 2 A of output current. The device features a fixed 2.4 MHz switching frequency, enabling the use of small external components. It provides an adjustable output voltage from 790 mV to 20 V. Quiescent current is specified at 70 uA during operation and drops to 30 uA in shutdown mode. The component is housed in a 10-lead DFN package and supports an operating temperature range from -40°C to +125°C.

Feature Summary

Synchronous buck topology for high efficiency across load ranges
Fixed 2.4 MHz switching frequency minimizes passive component size
Micropower consumption with low quiescent current modes
Integrated soft-start and thermal protection mechanisms

Applications

Portable instrumentation power supplies
Industrial control systems
Automotive electronics
Battery-powered equipment

Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when ordering. Confirm the IDD variant corresponds to the industrial temperature grade (-40°C to +125°C). Ensure compatibility with the 10-lead DFN footprint during PCB layout. Cross-reference the manufacturer's latest datasheet for any pinout or electrical specification updates prior to final procurement.

Selection Notes

Select this component for designs requiring wide input voltage tolerance and moderate output current. The fixed 2.4 MHz frequency is suitable for space-constrained applications needing smaller inductors. Consider the thermal performance of the DFN package under maximum load conditions. Verify that the required output voltage falls within the 790 mV to 20 V adjustable range.

Part Context

This part belongs to the LT3480 series of micropower synchronous step-down regulators. It shares core functionality with other variants like LT3480IMSE but differs in package type and temperature rating. The series is designed for applications demanding high efficiency and low standby power from higher voltage rails.