TPS563257DRLR

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TPS563257DRLR

+Nomenclature

IC REG BUCK ADJ 3A SOT563

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Spécifications

Attribut Valeur
Series D-CAP3™
PartStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 3V
Voltage-Input(Max) 17V
Voltage-Output(Min/Fixed) 0.6V
Voltage-Output(Max) 10V
Current-Output 3A
Frequency-Switching 1.2MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case SOT-563, SOT-666
SupplierDevicePackage SOT-563
BaseProductNumber TPS563257

Présentation

Description

The TPS563257DRLR is a highly efficient, synchronous buck converter from Texas Instruments, designed to step down high input voltages to lower output voltages. It is part of the D-CAP3™ mode family, which offers fast transient response, improved line/load regulation, and ease of use without external compensation. The device supports an input voltage range from 4.5V to 17V and can deliver up to 3A of output current, making it ideal for applications such as distributed power systems, digital TV power supply, and more. The TPS563257DRLR operates at a fixed frequency of 580 kHz, balancing efficiency and component size. It features a soft-start function, power good indicator, and various protections like undervoltage lockout, overcurrent protection, and thermal shutdown. Its small, 3mm x 3mm VSON package makes it suitable for space-constrained applications. The combination of high efficiency, compact size, and robust performance makes the TPS563257DRLR a versatile choice for a range of power management solutions.

Equivalent

The TPS563257DRLR is a step-down voltage regulator from Texas Instruments. Equivalent products include:
1. MP2315 from MPS (Monolithic Power Systems), offering similar specifications in terms of input voltage range and output current.
2. LMR33630 from Texas Instruments, another step-down converter with comparable features.
3. LT8609S from Analog Devices, known for efficient and compact solutions in similar applications.

Always compare specific parameters to ensure compatibility with your requirements.

Features

The TPS563257DRLR is a high-efficiency synchronous buck converter designed by Texas Instruments. It offers a wide input voltage range from 4.2V to 18V, making it suitable for various applications. The converter provides a fixed 3.3V output with a load current capability of up to 3A. One of its key features is its high efficiency, achieved through a low RDS(on) power MOSFET and an optimized design that reduces power loss. It supports a switching frequency of 1.1 MHz, enabling smaller external components and a more compact design.
Additional features include a soft-start function to prevent inrush current during startup, overcurrent protection, and thermal shutdown for enhanced reliability and safety. The device also includes a power-good indicator to signal proper operation. The compact size and thermally efficient 6-pin SOT-563 package make it ideal for space-constrained applications. Overall, the TPS563257DRLR is suitable for use in consumer electronics, industrial applications, and other systems requiring efficient power conversion.

Pinout

The TPS563257DRLR is a step-down converter from Texas Instruments, designed primarily for power management applications. It typically comes in a 6-pin package, known as SOT-23-6. The pin functions are as follows:
1. SW (Switching Node): This pin connects to the inductor and is used for the switching of the internal high-side MOSFET.
2. VIN (Voltage Input): The input power supply pin where the input voltage is fed into the device.
3. EN (Enable): This pin is used to enable or disable the device. Bringing this pin high enables the converter.
4. GND (Ground): Common ground reference for the power and signal sections of the device.
5. FB (Feedback): This pin connects to the output voltage divider to regulate the output voltage by feeding back a portion of the output voltage to the internal error amplifier.
6. PG (Power Good): This is an open-drain output that indicates the status of the output voltage, typically used to signal when the output voltage is within regulation.

These pins facilitate the functionality of the TPS563257DRLR as an efficient and compact DC-DC converter.

Manufacturer

The TPS563257DRLR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of integrated circuits and analog products. The company is well-known for its innovations in technology and contributions to various sectors, including industrial, automotive, personal electronics, and communications equipment. TI specializes in analog chips and embedded processors, which are essential components in creating electronic devices. The company is headquartered in Dallas, Texas, and has a significant presence worldwide, serving a diverse range of customers.

Application

The TPS563257DRLR is a synchronous buck converter designed for a variety of power management applications. Key application areas include:
1. Consumer Electronics: Efficient power conversion for devices like set-top boxes, televisions, and audio systems.
2. Industrial Equipment: Provides reliable power for automation controllers and communication devices.
3. Computing: Used in powering peripherals, graphics cards, and other components.
4. Telecommunications: Suitable for network infrastructure equipment, ensuring stable power delivery.
5. Automotive: Supports infotainment systems and other in-vehicle electronics with its robust performance.
Its wide input voltage range and high efficiency make it versatile for these areas, where compact size and low power loss are critical.

Package

The TPS563257DRLR uses a SOT-563 package type. This is a small outline transistor package featuring six leads. It is designed for compact electronic devices requiring efficient power management, offering a balance between size and thermal performance.

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