LTC3787EGN#TRPBF

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LTC3787EGN#TRPBF

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IC REG CTRLR BOOST 28SSOP

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Attribut Wert
Series PolyPhase®
Part Status Active
Output Type Transistor Driver
Function Step-Up
Output Configuration Positive
Topology Boost
Number of Outputs 2
Output Phases 2
Voltage - Supply (Vcc/Vdd) 4.5V ~ 38V
Frequency - Switching 105kHz ~ 760kHz
Duty Cycle (Max) 96%
Synchronous Rectifier Yes
Clock Sync No
Control Features Current Limit, Enable, Frequency Control, Power Good, Soft Start
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 28-SSOP (0.154", 3.90mm Width)
Supplier Device Package 28-SSOP
Base Product Number LTC3787

Übersicht

Description

The LTC3787EGN#TRPBF is a high-performance DC-DC converter from Analog Devices, designed for synchronous boost applications. This device features a wide input voltage range from 2.7V to 32V and can output up to 60V, making it versatile for various power supply needs. It operates with a high efficiency, often exceeding 95%, which minimizes heat generation and improves reliability.
The LTC3787 integrates a current mode control scheme that ensures stable operation and fast transient response. It also includes built-in features such as soft-start, overcurrent protection, and a programmable switching frequency to optimize performance for the specific application.
This converter is suitable for battery-powered systems, automotive applications, and industrial equipment that require efficient voltage boost capabilities. Its compact size (available in a thermally enhanced 16-lead TSSOP package) allows for easier integration into space-constrained designs. Overall, the LTC3787EGN#TRPBF is a reliable choice for engineers seeking a robust and efficient boost converter solution.

Equivalent

The LTC3787EGN#TRPBF is a high-performance boost converter. Equivalent products include the LM2577 from Texas Instruments, the MAX757 from Maxim Integrated, and the TPS61040 also from Texas Instruments. These alternatives provide similar features for step-up voltage regulation but may vary in specifications such as input/output range, efficiency, and packaging. Always consult datasheets for precise comparisons.

Features

The LTC3787EGN#TRPBF is a synchronous boost converter designed for high efficiency in DC-DC conversion applications. Key features include:
1. Wide Input Voltage Range: Operates from 3.6V to 60V, suitable for various battery and power supply applications.
2. Output Voltage Adjustment: Provides adjustable output voltage up to 60V, enabling flexibility for different needs.
3. High Efficiency: Achieves up to 95% efficiency, minimizing heat generation and improving thermal performance.
4. Synchronous Operation: Utilizes synchronous rectification to reduce switching losses and improve efficiency.
5. Current Mode Control: Features current mode control for stable operation and improved transient response.
6. Protection Features: Includes over-voltage and over-current protection, ensuring reliability and safety.
7. Small Package Size: Available in a thermally enhanced 16-lead TSSOP package, allowing for compact designs.
8. High Switching Frequency: Supports up to 1MHz switching frequency, facilitating smaller inductor and capacitor sizes.
Overall, the LTC3787EGN#TRPBF is ideal for portable and industrial applications requiring efficient power conversion.

Pinout

The LTC3787EGN#TRPBF is a high-performance DC-DC converter from Analog Devices, featuring a 28-pin TSSOP (Thin Shrink Small Outline Package) package. This device is primarily used for step-up (boost) applications, enabling the conversion of a lower input voltage to a higher output voltage.
Key functions include:
1. Boost Converter: It can efficiently step up voltage levels for various applications.
2. Integrated Switch: The device includes an internal power switch to simplify circuit design.
3. Adjustable Output Voltage: The output voltage can be set via external resistors.
4. Current Mode Control: It features current mode control for improved transient response and stability.
5. Soft-Start Function: Allows for gradual ramp-up of output voltage, reducing inrush current.
6. Under-Voltage Lockout (UVLO): Protects the circuit by shutting down under low input voltage conditions.
Overall, the LTC3787 is suitable for applications like battery-powered devices and portable electronics.

Manufacturer

The LTC3787EGN#TRPBF is manufactured by Analog Devices, Inc. (ADI), a prominent technology company specializing in analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices is renowned for its innovative solutions across various sectors, including communications, industrial automation, automotive, healthcare, and consumer electronics.
ADI's products are widely used in applications that require precise measurement and signal processing, making them a key player in the semiconductor industry. The LTC3787 is a specific product within their portfolio, designed as a high-efficiency synchronous step-up (boost) DC-DC converter. This device is utilized for applications that require increased voltage from a lower input voltage source.
Analog Devices is also recognized for its focus on quality, reliability, and performance, catering to a broad spectrum of customers ranging from large-scale manufacturers to individual engineers and innovators. Their commitment to advancing technology continues to position them as a leader in the electronics industry.

Application

The LTC3787EGN#TRPBF is a step-up (boost) DC-DC converter designed for a variety of applications. Key areas include:
1. Battery-Powered Devices: It can boost battery voltage to power higher-voltage components.
2. LED Drivers: Efficiently drives LEDs, providing constant current and brightness.
3. Solar Power Systems: Used in solar panels to maximize energy extraction under varying conditions.
4. Power Management: Integrates into power supply circuits for portable electronics.
5. Industrial Equipment: Supplies power in rugged environments where voltage needs to be stepped up.
Its high efficiency and versatile input/output ranges make it suitable for diverse applications.

Package

The LTC3787EGN#TRPBF is packaged in a 20-lead TSSOP (Thin Shrink Small Outline Package) form factor.

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