LT1765EFE-2.5#PBF

$12.01

Description：IC REG BUCK 2.5V 3A 16TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:f947d0c54d0f Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BUCK 2.5V 3A 16TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：3V
Voltage - Input (Max)：25V
Voltage - Output (Min/Fixed)：2.5V
Voltage - Output (Max)：-
Current - Output：3A
Frequency - Switching：1.25MHz
Synchronous Rectifier：No
Operating Temperature：0°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package：16-TSSOP-EP

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LT1765EFE-2.5#PBF

Overview

The LT1765EFE-2.5#PBF is a monolithic buck switching voltage regulator manufactured by Analog Devices Inc., housed in a 16-TSSOP package with an exposed pad. It operates within an input voltage range of 3 V to 25 V and provides a fixed output voltage of 2.5 V at up to 2.4 A load current. The device integrates a 3 A internal power switch and utilizes a fixed 1.25 MHz switching frequency to minimize external component size. Key electrical parameters include a quiescent current of 15 uA, a shutdown feature for power conservation, and operation across a temperature range of -40°C to +125°C.

Feature Summary

Integrates a high-current 3 A internal power switch for efficient step-down conversion
Utilizes a fixed 1.25 MHz switching frequency to reduce the physical footprint of passive components
Includes a dedicated shutdown pin to minimize quiescent current consumption during standby modes

Applications

Positive buck-converter circuits for general DC/DC regulation
Negative boost converter topologies using positive regulators
Battery-powered systems requiring low quiescent current operation

Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and tube packaging when sourcing. Confirm availability status as supply may be restricted or subject to factory special orders. Ensure the 16-TSSOP-EP footprint matches the target PCB layout requirements before finalizing procurement decisions.

Selection Notes

Select this component for applications requiring a fixed 2.5 V output from a wide 3 V to 25 V input range. The fixed 1.25 MHz frequency allows for smaller inductors compared to lower-frequency alternatives. Consider the 16-TSSOP-EP package for thermal management needs associated with 3 A switch capability.

Part Context

This part belongs to the LT1765 series of monolithic buck converters designed for high-efficiency power management. Unlike linear regulators, it steps down voltage via switching, reducing heat dissipation. The series supports various fixed output voltages and adjustable configurations within the same functional family.