LT3579EFE-1

Description：IC REG BST CHRG PUMP ADJ 20TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:80e67682ebf3 Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BST CHRG PUMP ADJ 20TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube
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)：16V
Voltage - Output (Min/Fixed)：1.215V
Voltage - Output (Max)：42V (Switch)
Current - Output：6A (Switch)
Frequency - Switching：200kHz ~ 2.5MHz
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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LT3579EFE-1

Overview

The LT3579EFE-1 is a monolithic switching regulator designed for boost, inverting, Cuk, SEPIC, and flyback topologies. It integrates a high-voltage NPN power switch capable of handling up to 6A of current. The device operates with an input voltage range from 2.5V to 16V and supports adjustable output voltages up to 42V. It features a programmable switching frequency ranging from 200kHz to 2.5MHz. The component includes integrated soft-start functionality and comprehensive fault protection mechanisms.

Feature Summary

Integrates a high-voltage NPN power switch rated for 6A continuous current
Supports multiple DC/DC converter topologies including boost, inverting, Cuk, SEPIC, and flyback
Features programmable switching frequency for optimized efficiency and size
Includes internal soft-start to limit inrush current during startup

Applications

Industrial control systems requiring isolated or non-isolated power conversion
Automotive electronics utilizing wide input voltage ranges
Portable equipment needing efficient step-up or negative voltage generation
Telecommunications infrastructure power supplies

Procurement Notes

Verify the specific suffix and package type against the manufacturer's latest datasheet to ensure compatibility with your design requirements. Confirm RoHS compliance status and lead times directly with authorized distributors, as availability may vary by region. Ensure proper thermal management solutions are selected based on the actual load conditions and ambient temperature.

Selection Notes

Select this component when a single-chip solution for complex topologies like Cuk or SEPIC is required without external gate drivers. Consider the 6A switch rating for moderate power applications where board space is limited. Evaluate the operating temperature range and packaging options to match your environmental constraints and assembly processes.

Part Context

This part belongs to the LT3579 family of monolithic switching regulators from Analog Devices. These devices are engineered to simplify the design of various DC/DC converters by integrating the power switch and control logic. The family offers flexibility in topology selection, making them suitable for diverse power conversion needs in industrial and automotive sectors.