LT8705EFE#TRPBF

$13.93

Description：IC REG CTRLR BUCK-BOOST 38TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:09f5ba4b5f89 Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG CTRLR BUCK-BOOST 38TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Output Type：Transistor Driver
Function：Step-Up/Step-Down
Output Configuration：Positive
Topology：Buck-Boost
Number of Outputs：2
Output Phases：2
Voltage - Supply (Vcc/Vdd)：2.8V ~ 80V
Frequency - Switching：100kHz ~ 400kHz
Duty Cycle (Max)：-
Synchronous Rectifier：Yes
Clock Sync：Yes
Serial Interfaces：-
Control Features：Enable, Frequency Control, Soft Start
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad
Supplier Device Package：38-TSSOP-EP

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LT8705EFE#TRPBF

Overview

The LT8705EFE#TRPBF is a high-performance synchronous four-switch buck-boost DC/DC controller manufactured by Analog Devices Inc. It operates with an input voltage range of 2.8V to 80V and supports output voltages from 1.3V to 80V. The device features a programmable switching frequency between 100kHz and 400kHz, delivering up to 10A of output current. It includes integrated soft-start, clock synchronization, and enable functions. The component is housed in a 38-TSSOP-EP package and operates within a junction temperature range of -40°C to 125°C.

Feature Summary

Synchronous four-switch buck-boost topology for efficient voltage conversion across input and output ranges
Clock synchronization capability allows multiple controllers to operate without audible noise interference
Integrated control features include programmable soft-start, frequency adjustment, and shutdown enable

Applications

Telecom voltage stabilizer circuits
Industrial power supply systems
Automotive electronics requiring wide input voltage tolerance

Procurement Notes

Verify the specific suffix TRPBF indicates tape and reel packaging when ordering. Confirm that the 38-TSSOP-EP package matches your footprint requirements. Ensure compatibility with the required operating temperature range of -40°C to 125°C. Check for any recent Product Change Notices regarding epoxy or bond wire modifications before finalizing procurement plans.

Selection Notes

Select this controller for applications requiring operation where input voltage may be above, below, or equal to the output voltage. Consider the 10A output current capability and 80V maximum rating for robust system design. Evaluate the need for clock synchronization if multiple converters are present in the system architecture.

Part Context

The LT8705EFE#TRPBF belongs to the LT8705 family of synchronous buck-boost controllers. It is designed for high-efficiency power conversion in demanding environments. The part is distinct from non-synchronous variants and offers precise control over switching parameters for stable performance in complex power management scenarios.