LT8705AEFE

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LT8705AEFE

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  • Производитель
  • Мфр. Часть #LT8705AEFE
  • Пакет
  • Лист данных
  • В наличии8690

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Спецификации

Part Status Obsolete
Base Product Number LT8705
Output Type Transistor Driver
Function Step-Up/Step-Down
Output Configuration Positive
Topology Buck-Boost
Number of Outputs 2
Output Phases 2
Voltage - Supply (Vcc/Vdd) 2.8V ~ 80V
Frequency - Switching 100kHz ~ 400kHz
Synchronous Rectifier Yes
Clock Sync Yes
Control Features Enable, Frequency Control, Soft Start
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad
Supplier Device Package 38-TSSOP-EP
Packaging Tube

Обзор

Description

The LT8705AEFE is a high-performance, synchronous step-down DC/DC converter designed for applications requiring efficient power management. This device offers a wide input voltage range, typically from 4.5V to 60V, making it suitable for various automotive, industrial, and telecommunications applications.
With its advanced control architecture, the LT8705AEFE features low quiescent current and high efficiency, particularly at light loads, which helps extend battery life in portable applications. It can deliver up to 5A of output current with adjustable output voltage settings, providing flexibility for different system requirements.
Key features include comprehensive protection mechanisms such as over-voltage, under-voltage, and thermal shutdown, along with a built-in power good indicator for monitoring output status. The device is housed in a compact package, facilitating space-efficient designs.
Overall, the LT8705AEFE stands out for its robust performance, efficiency, and versatility, making it a popular choice for engineers looking to optimize power delivery in demanding environments.

Features

The LT8705AEFE is a high-efficiency, synchronous buck-boost converter designed for battery-powered applications. Key features include:
1. Wide Input Voltage Range: Operates from 2.9V to 15V, making it suitable for various battery chemistries.
2. Output Voltage Flexibility: Adjustable output voltage range from 0.8V to 10V, allowing for versatile power supply designs.
3. High Efficiency: Achieves up to 95% efficiency, which maximizes battery life and reduces heat generation.
4. Low Quiescent Current: Features a low quiescent current in sleep mode, enhancing battery performance during idle states.
5. Integrated Power Switches: Reduces external component count and PCB space.
6. Current Mode Control: Provides fast transient response and simplifies loop compensation.
7. Thermal Shutdown: Protects the device from overheating.
8. Configurable Soft-Start: Reduces inrush current during startup.
These features make the LT8705AEFE ideal for applications such as portable devices, battery management systems, and energy harvesting solutions.

Package

The LT8705AEFE is packaged in a 32-lead EF package, which is a thermally enhanced, 5mm x 7mm surface-mount form factor.

Pinout

The LT8705AEFE is a high-performance buck-boost DC/DC converter with a pin count of 28. Its primary functions include enabling efficient voltage conversion, battery management, and energy harvesting applications.
Key features include:
- Pins for Input/Output Voltage: Connections for input and output voltage sources.
- Control Pins: Enable/disable control, soft-start functions, and feedback compensation.
- Compensation Pins: For controlling loop stability.
- Fault Monitoring: Pins for monitoring over-voltage and under-voltage conditions.
- Switching Control: Pins dedicated to managing the synchronous switching of internal FETs.
This device is designed for applications requiring a wide input voltage range and precise output regulation, making it ideal for automotive, industrial, and battery-operated devices.

Manufacturer

The LT8705AEFE is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company specializes in providing solutions for various sectors, including industrial, automotive, communications, and consumer electronics. The LT8705AEFE is a high-performance battery management IC, often used in advanced battery systems for applications like electric vehicles and renewable energy storage. ADI is well-regarded for its innovation and reliability in the semiconductor industry.

Application

The LT8705AEFE is a high-performance, step-down DC-DC converter used in various applications, including automotive power supplies, industrial automation, telecom equipment, battery management systems, and point-of-load regulation. Its features enable efficient power conversion, precise voltage regulation, and energy harvesting, making it suitable for device power management in demanding environments.

Equivalent

The LT8705AEFE is a high-performance buck-boost converter from Analog Devices. Equivalent products include the Texas Instruments TPS63070, Maxim Integrated MAX1682, and the Microchip MCP1643. Each of these chips offers similar buck-boost functionality but may vary in specifications such as input/output voltage range, efficiency, and current ratings. Always consult the datasheets for detailed comparisons.

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УПС: Стоимость доставки варьируется от 25 до 45 долларов США (0,5 кг), при этом предполагаемое время доставки составляет 3-7 рабочих дней.

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