LT3990EMSE#TRPBF

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LT3990EMSE#TRPBF

IC REG BUCK ADJ 350MA 16MSOP

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Спецификации

Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 4.2V
Voltage - Input (Max) 62V
Voltage - Output (Min/Fixed) 1.21V
Voltage - Output (Max) 25V
Current - Output 350mA
Frequency - Switching 210kHz ~ 2.3MHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 16-TFSOP (0.118", 3.00mm Width) Exposed Pad
Supplier Device Package 16-MSOP-EP
Base Product Number LT3990

Обзор

Description

The LT3990EMSE#TRPBF is a high-performance, step-down DC-DC converter from Linear Technology (now part of Analog Devices). It is designed to efficiently convert a wide input voltage range, typically from 4.5V to 60V, down to a lower output voltage, making it suitable for various applications, including automotive and industrial systems.
Key features include a built-in power switch, adjustable output voltage, and high efficiency, often exceeding 90%, which helps in minimizing heat generation. The device also supports a wide range of output current capabilities, making it versatile for multiple load requirements. With its compact package size (MSOP-16) and integrated components, the LT3990EMSE#TRPBF is ideal for space-constrained designs.
Additional features may include soft-start capabilities, short-circuit protection, and thermal shutdown, enhancing reliability and performance in demanding environments. Overall, the LT3990 is suitable for applications requiring robust power management solutions.

Features

The LT3990EMSE#TRPBF is a high-efficiency, step-up (boost) DC-DC converter designed for LED driving and other applications requiring high output voltage. Key features include:
1. Wide Input Voltage Range: Operates from 2.5V to 40V, suitable for various battery and power supply applications.
2. Adjustable Output Voltage: Capable of delivering up to 60V output, adjustable via external resistors.
3. High Efficiency: The device can achieve efficiency levels exceeding 90%, which helps in minimizing heat generation.
4. Integrated Power Switch: Includes a 1.2A internal switch, reducing the need for external components.
5. Current Mode Control: Provides stable operation and fast transient response.
6. LED Driver Capability: Ideal for driving high-brightness LEDs with constant current output.
7. Thermal Shutdown: Protects the device from overheating.
8. Compact Package: Available in a thermally enhanced MSOP package, allowing for space-saving designs.
These features make the LT3990EMSE#TRPBF an excellent choice for applications in lighting, automotive, and portable devices.

Package

The LT3990EMSE#TRPBF is packaged in a 16-lead MSOP (Micro Small Outline Package) with a thermally enhanced design. This package type is suitable for applications requiring efficient thermal performance and compact size.

Pinout

The LT3990EMSE#TRPBF is a high-performance LED driver IC with 16 pins. It is primarily designed for driving high-brightness LEDs and is suitable for various applications such as automotive, industrial, and architectural lighting. The key functions of its pins include:
1. Power Supply: Pins for input voltage (VIN) and ground (GND).
2. Control: Enable (EN) and PWM control for dimming.
3. Feedback: Feedback (FB) pin for voltage regulation.
4. Current Setting: Pins for setting LED current (CSN, CSP).
5. Timing: Capacitor connection for timing and control.
6. Output: Switching output pins for driving the LED load.
7. Thermal Management: Pins for thermal sensing and protection.
This versatile IC supports both constant current and constant voltage operation, making it ideal for various LED applications.

Manufacturer

The LT3990EMSE#TRPBF is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational semiconductor company that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company is known for its innovative solutions in various applications, including communications, automotive, industrial, and consumer electronics. Founded in 1965, Analog Devices is headquartered in Norwood, Massachusetts, and is recognized for its expertise in signal processing technology, providing essential components for a wide range of electronic devices and systems.

Application

The LT3990EMSE#TRPBF is a high-voltage LED driver used in various applications, including automotive lighting, industrial lighting, and architectural lighting. It features programmable current control, making it suitable for driving multiple LEDs in series or parallel configurations. Its versatility allows it to be utilized in outdoor signage, backlighting, and general illumination systems, where efficient and reliable LED operation is essential.

Equivalent

The LT3990EMSE#TRPBF is a high-voltage LED driver. Equivalent products include the Texas Instruments TPS92692, Maxim MAX16834, and ON Semiconductor NCL30051. Always verify specifications, features, and compatibility for specific applications before substitution.

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