LTC3851AEMSE#TRPBF

$5.62

Description：IC REG CTRLR BUCK 16MSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:9247bc0cf5a6 Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

LTC3851AEMSE#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 16MSOP. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for LTC3851AEMSE#TRPBF

Description：IC REG CTRLR BUCK 16MSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Output Type：Transistor Driver
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Number of Outputs：1
Output Phases：1
Voltage - Supply (Vcc/Vdd)：4V ~ 38V
Frequency - Switching：235kHz ~ 750kHz
Duty Cycle (Max)：99%
Synchronous Rectifier：Yes
Clock Sync：No
Serial Interfaces：-
Control Features：Current Limit, Enable, Frequency Control, Soft Start, Tracking
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：16-TFSOP (0.118", 3.00mm Width) Exposed Pad
Supplier Device Package：16-MSOP-EP

DC DC Switching Controllers datasheet and documents for LTC3851AEMSE#TRPBF

LTC3851AEMSE#TRPBF

DC DC Switching Controllers Overview

The LTC3851AEMSE#TRPBF is a synchronous step-down switching regulator controller from Analog Devices. It operates with an input voltage range of 4V to 38V and supports output voltages from 800mV to 5.5V. The device drives all N-channel synchronous power MOSFETs, enabling high efficiency. Key electrical parameters include a switch frequency adjustable between 250kHz and 750kHz, a maximum output current capability of 25A, and a quiescent current of 20uA. It features a constant frequency current mode architecture with phase-lockable frequency control.

DC DC Switching Controllers Feature Summary

Drives an all N-channel synchronous power MOSFET stage for high efficiency
Constant frequency current mode architecture allows phase-lockable frequencies up to 750kHz
Supports pulse skip operation for improved light load efficiency

DC DC Switching Controllers Applications

High efficiency 3.3V/15A step-down converters
1.8V/5A converters utilizing pulse skip operation
1.5V/15A synchronous regulators synchronized at 350kHz

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm the manufacturer is Analog Devices Inc. Ensure the component matches the MSOP-16 package specification. Check RoHS compliance details in the official datasheet before integration into production designs.

DC DC Switching Controllers Selection Notes

Select this controller for applications requiring wide input voltage ranges up to 38V. It is suitable for designs needing precise output regulation down to 800mV. Consider the 25A output capability for high-current loads. The phase-lockable feature is advantageous for systems requiring multiple synchronized power rails.

DC DC Switching Controllers Part Context

This component belongs to the LTC3851A series of synchronous buck regulators. It is designed as a standalone controller rather than an integrated converter. The device complements other PMIC solutions by offering flexible external MOSFET selection for optimized thermal performance.