LT8638SEV#PBF

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LT8638SEV#PBF

IC REG BUCK ADJ 10A 28LQFN

100% gốc & amp; Mới

24 giờ sẵn sàng để vận chuyển

Bảo hành 365 ngày

RFQ & amp; Nhận thêm Giảm giá

Thông số kỹ thuật

Series Silent Switcher®2
Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 2.8V
Voltage - Input (Max) 42V
Voltage - Output (Min/Fixed) 0.6V
Voltage - Output (Max) 42V
Current - Output 10A
Frequency - Switching 200kHz ~ 3MHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 28-TFQFN Exposed Pad
Supplier Device Package 28-LQFN (5x4)
Base Product Number LT8638

Tổng quan

Description

The LT8638SEV#PBF is a high-performance, low-noise, low-dropout (LDO) voltage regulator manufactured by Analog Devices. It is designed to provide a stable output voltage with excellent line and load regulation, making it suitable for powering sensitive analog and digital circuits.
Key features include a wide input voltage range, typically from 1.8V to 15V, and a low dropout voltage, which allows it to maintain output regulation even when the input voltage is close to the output voltage. The device also offers low output noise, making it ideal for RF and precision applications.
With features like thermal protection and a wide temperature range, the LT8638SEV#PBF is robust and reliable for various applications, including portable devices, telecommunications, and automotive systems. Its compact package and ease of use further enhance its appeal for designers looking for efficient and cost-effective power management solutions.

Features

The LT8638SEV#PBF is a high-performance, low-noise, and low-dropout (LDO) voltage regulator from Analog Devices. Key features include:
1. Input Voltage Range: Operates from 1.8V to 20V input voltage.
2. Output Voltage: Adjustable output voltage from 0.8V to 18V, with a typical output accuracy of ±1%.
3. High Output Current: Capable of delivering up to 2A of output current.
4. Low Quiescent Current: Features very low quiescent current, making it suitable for battery-powered applications.
5. Low Dropout Voltage: Typically 200mV dropout at 2A load, ensuring efficient operation.
6. Power Supply Rejection Ratio (PSRR): High PSRR performance, providing excellent noise rejection for sensitive applications.
7. Thermal Protection: Integrated thermal shutdown to protect against overheating.
8. Compact Package: Available in a small, thermally efficient 6-lead DFN package.
This combination of features makes the LT8638SEV#PBF ideal for applications requiring precise, low-noise power supplies, such as RF devices, sensors, and analog circuitry.

Package

The LT8638SEV#PBF comes in a 16-lead TSSOP (Thin Shrink Small Outline Package) package type, which is designed for compact applications requiring efficient layout and minimized footprint.

Pinout

The LT8638SEV#PBF is a low dropout linear regulator manufactured by Analog Devices. It features a total of 8 pins. The primary functions of these pins are as follows:
1. VIN (Pin 1): Input voltage supply.
2. GND (Pin 2): Ground reference.
3. VOUT (Pin 3): Regulated output voltage.
4. EN (Pin 4): Enable pin; activates the regulator when high.
5. N/C (Pin 5): No connection; can be left floating.
6. VBIAS (Pin 6): Bias voltage input for enhanced performance.
7. SS (Pin 7): Soft-start pin; controls the startup time.
8. PG (Pin 8): Power good output; indicates if VOUT is within the specified range.
The LT8638SEV#PBF is designed for high efficiency and low noise operation in various applications.

Manufacturer

The LT8638SEV#PBF is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational semiconductor company specializing in data conversion, signal processing, and power management solutions. Founded in 1965 and headquartered in Norwood, Massachusetts, ADI develops a wide range of products including amplifiers, converters, sensors, and reference designs, catering to various industries such as automotive, communications, healthcare, and industrial automation. The company's focus on innovation and high-performance technology makes it a leader in the analog, mixed-signal, and digital signal processing sectors.

Application

The LT8638SEV#PBF is a high-performance, low-noise, step-down (buck) voltage regulator. It is commonly used in battery-powered devices, telecommunications, automotive applications, and industrial equipment. Its application areas include powering microcontrollers, sensors, RF devices, and other analog and digital circuits that require efficient and stable power supply with low ripple and high efficiency.

Equivalent

Equivalent products to the LT8638SEV#PBF chip include the TPS7A47 from Texas Instruments, the MICREL MIC2025, and the LM317 from Texas Instruments. These alternatives provide similar voltage regulation capabilities, but check specific parameters such as output voltage, current capacity, and thermal characteristics to ensure compatibility for your application.

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