LT3581IDE#TRPBF

$3.48

Description：IC REG BST CHARGE PUMP ADJ 14DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)

SKU:c649e64ab048 Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BST CHARGE PUMP ADJ 14DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)
Function：Step-Up, Step-Up/Step-Down
Output Configuration：Positive or Negative
Topology：Boost, Charge Pump, Cuk, Flyback, SEPIC
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：2.5V
Voltage - Input (Max)：22V
Voltage - Output (Min/Fixed)：1.215V
Voltage - Output (Max)：42V (Switch)
Current - Output：3.3A (Switch)
Frequency - Switching：200kHz ~ 2.5MHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：14-WFDFN Exposed Pad
Supplier Device Package：14-DFN (4x3)
Grade：-
Qualification：-

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LT3581IDE#TRPBF

Overview

The LT3581IDE#TRPBF is a high-efficiency boost and inverting DC/DC converter manufactured by Analog Devices Inc. It integrates a 3.3A switch to provide flexible power conversion solutions. The device operates with an input voltage range of 2.7V to 60V, supporting both step-up and negative output configurations. Key electrical parameters include a switching frequency of 500kHz and a quiescent current of 450µA. It features thermal shutdown and cycle-by-cycle current limiting for robust protection. The component is housed in a thermally enhanced 16-lead SSOP package, suitable for space-constrained industrial and automotive applications requiring reliable voltage regulation.

Feature Summary

Integrates a high-current 3.3A switch for efficient power handling
Supports versatile boost and inverting topologies from a single input source
Includes comprehensive fault protection mechanisms such as thermal shutdown
Features adjustable switching frequency synchronization capability

Applications

Automotive electronics requiring isolated or inverted rails
Industrial control systems needing wide input voltage tolerance
Battery-powered devices utilizing boost conversion for extended runtime
Telecommunications infrastructure power distribution networks

Procurement Notes

Verify the specific suffix 'IDE' against official Analog Devices documentation to confirm temperature grade and packaging specifications. Ensure compatibility with your PCB footprint regarding the 16-lead SSOP thermal pad requirements. Cross-reference the datasheet revision date to validate pinout integrity before finalizing procurement orders.

Selection Notes

Select this component when designing circuits that require simultaneous boost and inverting outputs or flexible topology selection. Consider the 3.3A peak current limit for load requirements and ensure adequate heat dissipation for the SSOP package. Evaluate the 500kHz default frequency against EMI constraints and external inductor sizing needs for optimal efficiency.

Part Context

This part belongs to the LT3581 family of monolithic switching regulators designed for high-power density applications. It complements other Linear Technology power management solutions by offering integrated fault protection and high efficiency. The series is widely utilized in environments demanding reliable performance under varying load and temperature conditions.