LT3501EFE

Description：IC REG BUCK ADJ 3A DL 20TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:817988d9837b 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 3A DL 20TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：2
Voltage - Input (Min)：3.1V
Voltage - Input (Max)：25V
Voltage - Output (Min/Fixed)：0.8V
Voltage - Output (Max)：23.75V
Current - Output：3A
Frequency - Switching：250kHz ~ 1.5MHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：20-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package：20-TSSOP-EP
Grade：-
Qualification：-

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LT3501EFE

Overview

The LT3501EFE is a dual-output synchronous step-down switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 3.1V to 25V and provides two adjustable positive outputs, each capable of delivering up to 3A. The output voltage is adjustable from 0.8V to 23.75V. The device supports a switching frequency range between 250kHz and 1.5MHz. It is housed in a 20-lead TSSOP package with an exposed pad for thermal management and is rated for operation over a junction temperature range of -40°C to +125°C.

Feature Summary

Dual independent adjustable output channels
Integrated synchronous rectification for high efficiency
Wide input voltage operating range
Adjustable switching frequency capability

Applications

Point-of-load regulation for industrial systems
Power supply stages for embedded computing platforms
Battery-powered equipment requiring efficient DC-DC conversion
Telecommunications infrastructure power distribution

Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm pinout compatibility and electrical specifications. Ensure the component meets RoHS3 compliance requirements if mandated by your design standards. Cross-reference the datasheet revision history to validate performance parameters before finalizing procurement decisions.

Selection Notes

Select this component when dual isolated or non-isolated rails are required from a single input source. Consider the thermal performance of the 20-TSSOP package relative to the total load current. Verify that the external inductor selection supports the desired switching frequency and output ripple specifications within the target operating temperature range.

Part Context

This part belongs to the LT3501 family of dual synchronous buck regulators. It shares functional similarities with other members like the LT3506 but differs in output current capacity and package configuration. The series is designed for applications requiring compact solutions with multiple regulated voltages derived from a common bus.