LT8708EUHG#PBF

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LT8708EUHG#PBF

+BOM

80V SYNCHRONOUS 4-SWITCH BUCK-BO

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사양

속성 가치
PartStatus Active
OutputType Transistor Driver
Function Step-Up/Step-Down
OutputConfiguration Positive
Topology Buck-Boost
NumberofOutputs 1
OutputPhases 2
Voltage-Supply(Vcc/Vdd) 2.8V ~ 80V
Frequency-Switching 100kHz ~ 400kHz
DutyCycle(Max) 80%
SynchronousRectifier Yes
ClockSync Yes
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 40-WFQFN Exposed Pad
SupplierDevicePackage 40-QFN (5x8)
BaseProductNumber LT8708

개요

Description

The LT8708EUHG#PBF is a high-performance, synchronous buck-boost regulator from Analog Devices designed for battery-powered applications. It provides a wide input voltage range, typically from 2.7V to 60V, making it suitable for various power sources, including lithium-ion batteries and solar applications. The device offers a high efficiency of up to 95% and provides a regulated output voltage, which can be adjusted from 1.2V to 15V.
Key features include a programmable current limit, soft-start functionality, and built-in protection against overvoltage, overcurrent, and thermal shutdown. The LT8708 supports both PWM and PFM modes for optimized efficiency across load conditions. Its compact package and integrated power switches make it a space-efficient solution for modern power management designs. Ideal applications include portable devices, automotive power supplies, and energy harvesting systems.
For detailed specifications and application notes, refer to the manufacturer's datasheet.

Equivalent

The LT8708EUHG#PBF is a high-efficiency, dual-output buck-boost converter. Equivalent products include:
1. TPS63070 - Texas Instruments
2. MAX8681 - Maxim Integrated
3. LTC3780 - Analog Devices
4. LM25118 - Texas Instruments
5. MICROCHIP MCP1642 - Microchip Technology
Consider specifications and features to ensure compatibility for your specific application.

Features

The LT8708EUHG#PBF is a high-performance battery charger and power management IC designed for various applications. Key features include:
1. High Efficiency: Supports up to 95% efficiency across a wide load range, reducing heat generation.
2. Wide Input Voltage Range: Operates from 4.5V to 60V, making it suitable for a variety of power sources.
3. Integrated Switching Regulator: Delivers efficient power conversion and reduces the need for external components.
4. Flexible Charging Options: Supports multiple battery chemistries, including Li-ion, LiFePO4, and lead-acid.
5. Programmable Charge Current: Allows customization of charge rates for different battery capacities.
6. Thermal Protection: Features built-in thermal regulation and protection to prevent overheating.
7. Fault Diagnostics: Includes fault flags for quick identification of issues such as overvoltage or overcurrent.
8. Compact Package: Offered in a 32-lead HTQFN package, optimizing space in circuit designs.
These features make the LT8708EUHG#PBF ideal for advanced battery management systems in automotive, industrial, and consumer applications.

Pinout

The LT8708EUHG#PBF is an integrated circuit from Analog Devices, specifically designed as a high-efficiency bidirectional buck-boost converter. It features a 28-pin HTQFP (Thin Quad Flat Package) package.
The key functions of the LT8708 include:
- Buck-boost regulation: It can step up or step down voltage, making it suitable for various power applications.
- Wide input voltage range: It handles input voltages from 3V to 60V.
- Adjustable output voltage: Users can set the desired output voltage level.
- Integrated high-side and low-side switches: This reduces external component count.
- High efficiency: It maintains high efficiency over a wide load range.
- Power management features: Includes a programmable switching frequency and soft-start capability.
This IC is commonly used in battery-powered applications, energy harvesting systems, and portable devices requiring efficient power management.

Manufacturer

The LT8708EUHG#PBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, it is headquartered in Norwood, Massachusetts, USA.
Analog Devices primarily serves markets such as industrial automation, communications, automotive, healthcare, and consumer electronics. The company is known for its innovative semiconductor solutions that facilitate the conversion, conditioning, and processing of real-world signals. Their products play a critical role in applications that require precise and reliable performance, such as data acquisition systems, signal processing, and power management.
The LT8708 is a specific product from the company's Linear Technology division, which focuses on power management solutions. This chip is notable for its high-performance features and is commonly used in applications like battery management systems and high-efficiency power converters. Overall, Analog Devices is recognized as a leader in the semiconductor industry, providing essential components for a wide range of electronic devices.

Application

The LT8708EUHG#PBF is a high-performance buck-boost converter primarily used in applications requiring efficient power management and voltage regulation across a wide input range. Key areas include:
1. Battery Management Systems: For electric vehicles and renewable energy systems.
2. Industrial Equipment: Power supply for automation and control systems.
3. Solar Power Systems: Energy harvesting and conversion.
4. Telecommunication: Power supplies for remote equipment.
5. Consumer Electronics: Efficient power delivery in portable devices.
Its ability to handle input voltages above and below the output voltage makes it versatile for various power supply needs.

Package

The LT8708EUHG#PBF is packaged in a 32-lead HTSSOP (Thin Shrink Small Outline Package) with exposed pad, which enhances thermal performance and improves electrical characteristics.

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