LT3437EFE#TRPBF

$7.06

Description：IC REG BUCK ADJ 500MA 16TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:f7f238f2b8c8 Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BUCK ADJ 500MA 16TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：3V
Voltage - Input (Max)：60V
Voltage - Output (Min/Fixed)：1.25V
Voltage - Output (Max)：57V
Current - Output：500mA (Switch)
Frequency - Switching：200kHz
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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LT3437EFE#TRPBF

Overview

The LT3437EFE#TRPBF is a high-voltage buck switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 3.3 V to 60 V and provides an adjustable output voltage. The device supports a maximum output current of 400 mA and features a fixed switching frequency of 200 kHz. It includes a shutdown function and maintains a low quiescent current of 100 uA. The component is housed in a TSSOP-EP-16 package and is rated for operation between -40°C and +140°C.

Feature Summary

Capable of stepping down high input voltages up to 60 V
Integrates a power switch for efficient buck conversion
Supports external synchronization via SYNC pin
Includes thermal regulation and cycle-by-cycle current limiting

Applications

Industrial control systems requiring isolated or non-isolated power rails
Automotive electronics operating on 12 V or 24 V bus architectures
Battery-powered equipment utilizing high-voltage cell configurations
General-purpose DC-DC conversion in embedded systems

Procurement Notes

Verify the specific suffix against official documentation to confirm package type and tape/reel specifications. Confirm RoHS compliance status through manufacturer datasheets. Ensure compatibility with required operating temperature ranges before procurement. Check for recent product change notifications regarding material or manufacturing site updates.

Selection Notes

Select this component when input voltages exceed standard regulator limits but remain below 60 V. Consider the 200 kHz switching frequency for balancing efficiency and filter size. Evaluate thermal performance requirements given the TSSOP-EP-16 package exposure pad design. Verify that the 400 mA output current meets load demands under worst-case conditions.

Part Context

This part belongs to the LT3437 family of high-voltage buck regulators from Analog Devices. It shares architectural similarities with other members like the LT3439, which utilizes a push-pull topology. The series focuses on providing robust power management solutions for applications demanding wide input voltage ranges and reliable operation in harsh environments.