LT8637EV#PBF

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LT8637EV#PBF

IC REG BUCK ADJ 5A 20LQFN

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  • Mfr. Parte #LT8637EV#PBF
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Especificaciones

Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 3.4V
Voltage - Input (Max) 42V
Voltage - Output (Min/Fixed) 0.97V
Voltage - Output (Max) 42V
Current - Output 5A
Frequency - Switching 200kHz ~ 3MHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 20-TFQFN Exposed Pad
Supplier Device Package 20-LQFN (4x3)
Base Product Number LT8637

Descripción general

Description

The LT8637EV#PBF is an evaluation board designed for the LT8637, a high-performance, low-dropout (LDO) linear regulator from Analog Devices. This device is ideal for applications requiring ultra-low noise and high power supply rejection. The LT8637 can provide an output current of up to 1.5 A with a low dropout voltage, making it suitable for powering sensitive analog circuits, RF applications, and precision instrumentation.
The evaluation board allows users to easily test the LT8637's performance and features, including its ability to operate with a wide input voltage range and its low quiescent current, which is beneficial for battery-powered applications. The board typically includes test points for measuring output voltage, current, and thermal performance, as well as options for load configurations.
Overall, the LT8637EV#PBF serves as a practical tool for engineers to evaluate the capabilities and reliability of the LT8637 LDO in various applications before implementing it into their designs.

Features

The LT8637EV#PBF is a high-performance, low-noise, low-dropout (LDO) linear regulator from Analog Devices. Key features include:
1. Input Voltage Range: Supports a wide input voltage range from 1.8V to 20V.
2. Output Voltage: Adjustable output voltage from 0.8V to 15V, with a maximum output current of 1.5A.
3. Low Noise: Ultra-low output noise, making it suitable for sensitive RF and analog applications.
4. High PSRR: Excellent power supply rejection ratio, ensuring stable output despite variations in input voltage.
5. Fast Transient Response: Provides quick recovery during load transients, improving performance in dynamic applications.
6. Thermal Protection: Features built-in thermal shutdown for reliability and protection against overheating.
7. Compact Package: Available in a small package, facilitating integration into space-constrained designs.
Overall, the LT8637EV#PBF is ideal for applications requiring high efficiency, low noise, and a wide input/output voltage range.

Package

The LT8637EV#PBF is packaged in a 3mm × 3mm QFN (Quad Flat No-lead) package. This type of package provides a compact size and excellent thermal performance, making it suitable for various applications in space-constrained environments.

Pinout

The LT8637EV#PBF is a high-performance linear regulator from Analog Devices. It features a total of 8 pins.
Pin Functions:
1. VIN: Input voltage supply.
2. SW: Switch connection for the internal power circuit.
3. GND: Ground reference.
4. VOUT: Output voltage.
5. FB: Feedback voltage pin for setting the output voltage.
6. COMP: Compensation pin for controlling stability and transient response.
7. SHDN: Shutdown control pin to enable or disable the regulator.
8. NC: No connect (not internally connected).
The LT8637EV is designed for low noise and high efficiency, making it suitable for various applications where stable voltage regulation is critical.

Manufacturer

The manufacturer of the LT8637EV#PBF is Analog Devices, Inc. Analog Devices is a multinational company that specializes in designing and manufacturing high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Founded in 1965, the company serves a variety of markets, including automotive, industrial, communications, and consumer electronics. The LT8637 is a low-noise, high-efficiency voltage regulator, reflecting the company's focus on innovative solutions for complex electronic applications.

Application

The LT8637EV#PBF is a low-dropout (LDO) linear voltage regulator ideal for applications requiring high output current and low noise. Common areas of application include portable devices, battery-powered equipment, and RF and analog circuits. It is suitable for powering sensors, communication devices, and precision analog systems where stable and clean voltage is critical. Its efficiency and thermal performance make it suitable for automotive and industrial applications as well.

Equivalent

The LT8637EV#PBF is a low dropout regulator (LDO) from Analog Devices. Equivalent products include the TPS7A47 from Texas Instruments, the MCP16331 from Microchip, and the LM1117 from Texas Instruments. These alternatives offer similar voltage regulation features, low dropout performance, and various output current capabilities, but specific parameters like voltage range and output current should be checked for compatibility.

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