TPS5403DR

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TPS5403DR

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IC REG BUCK 3.3V 1.7A 8SOIC

  • メーカーSTマイクロエレクトロニクス

  • メーカー品番 #TPS5403DR

  • パッケージ SOIC (D)-8

  • 在庫状況7535

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Fixed
NumberofOutputs 1
Voltage-Input(Min) 4.5V
Voltage-Input(Max) 28V
Voltage-Output(Min/Fixed) 3.3V
Current-Output 1.7A
Frequency-Switching 50kHz ~ 1.1MHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

概要

Description

The TPS5403DR is a DC-DC buck converter from Texas Instruments, designed to provide efficient step-down voltage conversion for a wide range of applications. It operates with an input voltage range of 5.5V to 28V and offers an adjustable output voltage as low as 0.8V. The device can deliver up to 3A of continuous output current, making it suitable for powering microcontrollers, FPGAs, and other digital circuits.
Key features include a high-efficiency design, typically over 90%, thanks to its 500 kHz fixed switching frequency and advanced MOSFET technology. The TPS5403DR also incorporates a range of protection features, such as overcurrent protection, thermal shutdown, and undervoltage lockout, enhancing reliability and safety.
The device comes in an 8-pin SOIC package, making it easy to incorporate into circuit designs. It is widely used in consumer electronics, industrial automation, and communication equipment due to its compact size, reliability, and efficiency. Its design simplicity and robust performance make it a popular choice for designers seeking a versatile step-down regulator.

Equivalent

The TPS5403DR is a step-down DC-DC converter. Equivalent products include LM2596 from Texas Instruments, MP1584 from Monolithic Power Systems, and LT8640 from Analog Devices. These alternatives offer similar functionality but may differ in specifications such as input voltage range, output current, and efficiency. Always review the datasheets to ensure compatibility with your specific application requirements.

Features

The TPS5403DR is a step-down DC-DC converter with an integrated high-side MOSFET, designed for efficient power conversion in compact applications. Key features include:
1. Wide Input Voltage Range: Supports 5.5 V to 28 V, making it versatile for various power supply sources.
2. Output Voltage: Adjustable down to 0.8 V, useful for diverse applications requiring different voltage levels.
3. Output Current: Capable of delivering up to 3 A, suitable for powering moderate loads.
4. Efficiency: High efficiency up to 95% helps reduce power loss and heat generation.
5. Switching Frequency: Fixed 340 kHz frequency allows for smaller external components and faster transient response.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout to enhance reliability.
7. Compensation: Internal loop compensation simplifies design and reduces external component count.
8. Packaging: Available in an 8-pin SOIC package, facilitating easy integration into existing designs.
These features make the TPS5403DR ideal for applications such as distributed power systems, battery-powered devices, and point-of-load converters.

Pinout

The TPS5403DR is a step-down DC-DC converter from Texas Instruments. It is part of the TPS5403 series, which is designed for applications that require a compact power supply solution. The TPS5403DR comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin functions:
1. BOOT: Bootstrap capacitor connection for high-side FET drive.
2. VIN: Input voltage supply pin for the power converter.
3. EN: Enable pin for turning the device on or off.
4. SS/TR: Soft-start and tracking pin to control the ramp-up time of the output voltage.
5. GND: Ground pin.
6. FB: Feedback pin for setting the output voltage via an external resistor divider.
7. COMP: Compensation pin for external compensation network to stabilize the loop.
8. SW: Switch node output, connected to the inductor and provides the PWM switching.
This configuration allows the TPS5403DR to efficiently convert higher input voltages to lower output voltages, making it suitable for a wide range of applications.

Manufacturer

The TPS5403DR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are sold to electronics designers and manufacturers globally. The company is one of the top semiconductor manufacturers in the world and has a strong focus on developing analog chips and embedded processors, which are used in a wide array of electronic devices. TI's products are utilized in various applications, including industrial, automotive, personal electronics, communications equipment, and enterprise systems. Known for their innovation, TI also provides extensive design resources and technical support to engineers and designers.

Application

The TPS5403DR is a step-down DC-DC converter commonly used in various applications requiring efficient power management. Its key application areas include:
1. Industrial Power Systems: It provides regulated power in industrial automation and control systems.
2. Consumer Electronics: Powers devices like set-top boxes and home appliances.
3. Telecommunications: Used in networking equipment and base stations for voltage regulation.
4. Automotive: Suitable for infotainment systems and other automotive electronics.
5. Computing: Powers peripherals and auxiliary circuits in computers and servers.
6. Portable Devices: Used in battery-powered gadgets for efficient power conversion.
Its wide input voltage range and high efficiency make it versatile for various applications needing stable power.

Package

The TPS5403DR is a step-down converter from Texas Instruments housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The DR suffix indicates the plastic, surface-mount, and leaded packaging, which is suitable for automated assembly and offers good thermal performance.

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