LT3844EFE#PBF

$8.59

Description：IC REG CTRLR MULT TOP 16TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:74069fe4f607 Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG CTRLR MULT TOP 16TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Output Type：Transistor Driver
Function：Step-Up, Step-Down, Step-Up/Step-Down
Output Configuration：Positive or Negative
Topology：Buck, Boost, SEPIC
Number of Outputs：1
Output Phases：1
Voltage - Supply (Vcc/Vdd)：4V ~ 60V
Frequency - Switching：300kHz
Duty Cycle (Max)：-
Synchronous Rectifier：No
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：16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package：16-TSSOP-EP
Grade：-
Qualification：-

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LT3844EFE#PBF

Overview

The LT3844EFE#PBF is a high-voltage DC/DC controller manufactured by Analog Devices Inc., designed for medium-power applications requiring low component count and high efficiency. It supports Buck, Boost, Inverting, and SEPIC topologies with current mode control. The device operates within a wide input voltage range of 4V to 60V, featuring a minimum start-up voltage of 7.5V. It provides one output channel and switches at a frequency of 500kHz. The unit is housed in a 16-TSSOP package with an exposed pad, suitable for surface-mount installation.

Feature Summary

Supports multiple converter topologies including Buck, Boost, Inverting, and SEPIC configurations
Features current mode control architecture for stable operation
Includes programmable operational amplifier for flexible system design

Applications

Industrial power supply systems
Telecommunications infrastructure equipment
Automotive electronics modules

Procurement Notes

Verify the specific suffix PBF indicates lead-free compliance and RoHS adherence before procurement. Confirm the TSSOP-16 package dimensions match the target PCB footprint. Ensure the supplier source is authorized to guarantee original component authenticity and traceability. Check for any recent product change notices regarding pinout or electrical characteristics.

Selection Notes

Select this controller when a wide input voltage range up to 60V is required alongside flexible topology options. It is suitable for designs prioritizing high efficiency with minimal external components. Consider the 500kHz switching frequency for balancing size and performance. Ensure the application environment stays within the specified operating temperature range for reliable operation.

Part Context

This component belongs to the LT3844 series of high-voltage DC/DC controllers from Analog Devices. It is engineered for versatile power conversion needs in industrial and automotive sectors. The series emphasizes simplicity and reliability through integrated current mode control. It serves as a core management IC for various step-up, step-down, and negative voltage generation circuits.