LT3509EMSE#TRPBF

$8.49

Description：IC REG BUCK ADJ 700MA DL 16MSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:6163cadb9024 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 700MA DL 16MSOP
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：2
Voltage - Input (Min)：3.6V
Voltage - Input (Max)：36V
Voltage - Output (Min/Fixed)：0.8V
Voltage - Output (Max)：34.2V
Current - Output：700mA
Frequency - Switching：260kHz ~ 2.15MHz
Synchronous Rectifier：No
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

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LT3509EMSE#TRPBF

Overview

The LT3509EMSE#TRPBF is a dual-channel, monolithic step-down switching regulator manufactured by Analog Devices Inc. It integrates two independent current-mode buck converters within a single 16-lead MSOP package with an exposed thermal pad. Each channel provides up to 700mA of output current and features integrated power switches, eliminating the need for external boost diodes or loop compensation components. The device supports a wide input voltage range and operates at switch frequencies up to 2.15MHz, allowing for the use of compact passive components.

Feature Summary

Dual-channel architecture providing two independent regulated outputs from a single IC
Integrated power switches and control circuitry requiring minimal external component count
High-frequency operation capability enabling the use of small inductors and capacitors
Comprehensive protection mechanisms including overvoltage lockout and cycle-by-cycle current limiting

Applications

Automotive electronic systems requiring robust multi-rail power distribution
Industrial equipment utilizing multiple voltage levels for logic and sensor interfaces
Embedded systems needing compact DC-DC conversion solutions
Battery-powered devices requiring efficient step-down regulation

Procurement Notes

Verify that the part number suffix matches #TRPBF to confirm tape-and-reel packaging configuration. Ensure compatibility with the 16-MSOP-EP footprint during PCB layout. Confirm RoHS compliance status through official manufacturer documentation prior to integration into production assemblies.

Selection Notes

Select this component when space-constrained designs require two isolated or non-isolated buck regulators. Evaluate thermal performance requirements due to the exposed pad design. Consider the maximum operating frequency setting via the external resistor to optimize efficiency versus component size trade-offs for the specific application load.

Part Context

This device belongs to the LT3509 family of dual synchronous buck regulators. It shares architectural similarities with other high-density power management ICs but distinguishes itself through the integration of both channels and internal compensation. The EMSE suffix indicates the specific 16-lead MSOP package variant designed for surface-mount assembly.