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LT8582EDKD#TRPBF

Name: LT8582EDKD#TRPBF
Rating: 4.7 (12 reviews)

IC REG BST CUK ADJ 3.3A DL 24DFN

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資料表 LT8582EDKD#TRPBF DataSheet
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規格

Part Status	Active
Function	Step-Up, Step-Up/Step-Down
Output Configuration	Positive or Negative
Topology	Boost, Cuk, Flyback, SEPIC
Output Type	Adjustable
Number of Outputs	2
Voltage - Input (Min)	2.5V
Voltage - Input (Max)	22V
Voltage - Output (Min/Fixed)	2.5V
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	24-WFDFN Exposed Pad
Supplier Device Package	24-DFN (7x4)
Base Product Number	LT8582

概述

Description

The LT8582EDKD#TRPBF is a high-efficiency, step-up (boost) DC-DC converter from Analog Devices' Linear Technology product line. It is designed to provide a regulated output voltage from a lower input voltage source, making it ideal for battery-powered applications. Key features include a wide input voltage range, high output current capability, and the ability to drive loads with minimal external components. The device utilizes a current-mode control architecture for stable operation and fast transient response. The LT8582EDKD#TRPBF also incorporates features such as built-in soft-start, thermal protection, and overcurrent protection, enhancing reliability and performance. It comes in a compact package, suitable for space-constrained designs, and is widely used in applications like portable electronics, LED drivers, and energy harvesting systems.

Features

The LT8582EDKD#TRPBF is a high-efficiency, dual-channel step-down (buck) regulator from Analog Devices. Key features include:
1. Output Current: Supports up to 2A per channel with continuous output.
2. Input Voltage Range: Operates from 2.5V to 20V.
3. Output Voltage: Adjustable output voltage with a range of 0.8V to 15V.
4. High Efficiency: Achieves up to 95% efficiency, minimizing heat generation.
5. Switching Frequency: Operates at a fixed frequency of 2MHz, facilitating smaller component sizes.
6. Power Good Flag: Provides feedback on the output status for improved system reliability.
7. Thermal Shutdown: Integrated protection against overheating.
8. Small Package: Available in a compact 20-lead 4mm × 5mm LQFN package for space-constrained designs.
9. Soft-Start Feature: Limits inrush current during startup, enhancing system stability.
These features make the LT8582EDKD#TRPBF suitable for various applications, including portable devices and industrial equipment.

Package

The LT8582EDKD#TRPBF comes in a 16-lead TSSOP (Thin Shrink Small Outline Package) package type.

Pinout

The LT8582EDKD#TRPBF is a dual output, high voltage, step-up DC/DC converter from Analog Devices (formerly Linear Technology). It has a pin count of 16.
Key functions of the pins include:
1. Vin: Input voltage supply.
2. GND: Ground connection.
3. SW: Switching node for the inductor.
4. Vout: Output voltage.
5. FB: Feedback pin for output voltage regulation.
6. COMP: Compensation pin for stability.
7. MODE: Mode selection for operation.
8. ISENSE: Current sense for overcurrent protection.
9. ISET: Sets the output current limit.
10. Rset: Resistor for setting voltage reference.
11. SENSE: For current sensing in applications.
12. SS: Soft-start pin for gradual ramp-up of output voltage.
13. PGOOD: Power good indicator.
14. VCAP: Capacitor connection for voltage regulation.
15. CS: Compensation for current sensing.
16. TMR: Timer for fault conditions.
Refer to the datasheet for detailed pin functions and electrical specifications.

Manufacturer

The LT8582EDKD#TRPBF is manufactured by Analog Devices, Inc. (ADI), a global company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Analog Devices designs and produces a wide range of products used in various applications, including communications, industrial automation, automotive, healthcare, and consumer electronics. The LT8582, specifically, is a high-efficiency, dual-output, synchronous boost converter, notable for its ability to step up input voltage while providing a regulated output. ADI is recognized for its innovation in signal processing and its commitment to quality and reliability in the semiconductor industry.

Application

The LT8582EDKD#TRPBF is a high-performance boost converter primarily used in applications requiring high efficiency and compact power solutions. It is commonly found in battery-powered devices, portable electronics, LED drivers, automotive power supplies, and industrial equipment. Its ability to step up voltage while maintaining low quiescent current makes it suitable for energy-sensitive applications.

Equivalent

The LT8582EDKD#TRPBF is a step-up (boost) converter. Equivalent products include the TPS61030 from Texas Instruments, the MICROCHIP MCP1643, and the MAX757 from Maxim Integrated. When selecting a substitute, consider specifications such as input/output voltage range, efficiency, and package type to ensure compatibility.