LTC3891MPUDC#TRPBF

$13.21

Description：IC REG CTRLR BUCK 20QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)

SKU:5bda97e335b3 Category: DC DC Switching Controllers Brand: Analog Devices Inc.

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

LTC3891MPUDC#TRPBF is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC REG CTRLR BUCK 20QFN. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for LTC3891MPUDC#TRPBF

Description：IC REG CTRLR BUCK 20QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)
Output Type：Transistor Driver
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Number of Outputs：1
Output Phases：1
Voltage - Supply (Vcc/Vdd)：4V ~ 60V
Frequency - Switching：105kHz ~ 835kHz, 350kHz ~ 535kHz
Duty Cycle (Max)：99%
Synchronous Rectifier：Yes
Clock Sync：No
Serial Interfaces：-
Control Features：Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
Operating Temperature：-55°C ~ 150°C (TJ)
Mounting Type：Surface Mount
Package / Case：20-WFQFN Exposed Pad
Supplier Device Package：20-QFN (3x4)
Grade：-
Qualification：-

DC DC Switching Controllers datasheet and documents for LTC3891MPUDC#TRPBF

LTC3891MPUDC#TRPBF

DC DC Switching Controllers Overview

The LTC3891MPUDC#TRPBF is a single-output synchronous step-down DC/DC controller from Analog Devices. It operates with an input voltage range of 4V to 60V and supports output voltages from 0.8V to 24V. The device features a maximum switching frequency of 900kHz, optimized for automotive applications. It utilizes a 20-pin QFN EP package and maintains an operating junction temperature range of -55°C to 150°C. The controller draws a typical supply current of 2mA.

DC DC Switching Controllers Feature Summary

Supports high input voltages up to 60V for flexible power distribution
Automotive-grade reliability with extended temperature specifications
Enables precise output regulation via low dropout architecture

DC DC Switching Controllers Applications

Automotive always-on systems
Battery-operated digital devices
Distributed DC power systems

DC DC Switching Controllers Procurement Notes

Verify the specific suffix TRPBF indicates tape and reel packaging when sourcing components. Confirm that the MP designation aligns with required automotive qualification standards. Ensure the 20-QFN EP package footprint matches the target PCB layout constraints before finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Select this component for designs requiring robust performance in high-voltage automotive environments. The wide input voltage range accommodates various bus architectures. Consider the thermal performance of the exposed pad design for efficient heat dissipation in compact form factors.

DC DC Switching Controllers Part Context

This part belongs to the LTC3891 family of low IQ synchronous buck controllers. It shares architectural similarities with other members like the LTC3891IFE but differs in package type and specific automotive grading. The MP variant is specifically tailored for demanding operational conditions.