TPS563203DRLR

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TPS563203DRLR

IC REG BUCK ADJ 3A SOT563

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  • Mfr. Part #TPS563203DRLR
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Specifications

Part Status Active
Base Product Number TPS563203
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 4.2V
Voltage - Input (Max) 17V
Voltage - Output (Min/Fixed) 0.6V
Voltage - Output (Max) 7V
Current - Output 3A
Frequency - Switching 600kHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package SOT-563, SOT-666
Supplier Device Package SOT-563
Packaging Cut Tape (CT), Tape & Reel (TR)

Overview

Description

The TPS563203DRLR is a synchronous buck converter integrated circuit designed by Texas Instruments. It is intended for applications requiring efficient power conversion from a wide input voltage range to a lower, stable voltage output. The device supports an input voltage range of 4.5V to 17V and can deliver up to 3A of continuous output current, making it suitable for various applications, including consumer electronics, industrial equipment, and distributed power systems.
Key features of the TPS563203DRLR include a fixed output voltage of 3.3V, high efficiency due to its synchronous rectification architecture, and a low quiescent current, which helps in reducing power consumption in standby mode. The converter operates at a fixed 580kHz switching frequency, ensuring a compact solution size with minimal external components. It also includes protection features such as cycle-by-cycle current limit, thermal shutdown, and undervoltage lockout to enhance reliability.
The device is housed in a small, thermally enhanced 8-pin VSON package, which aids in efficient thermal dissipation. Overall, the TPS563203DRLR is a cost-effective and reliable solution for point-of-load applications requiring stable and efficient DC-DC conversion.

Features

The TPS563203DRLR is a high-efficiency, synchronous step-down DC-DC converter. Key features include:
1. Input Voltage Range: Operates with a wide input voltage range of 4.5V to 17V, accommodating various power sources.
2. Output Current: Capable of delivering up to 3A of continuous output current, suitable for powering a range of devices.
3. Efficiency: High efficiency across load conditions, often exceeding 90%, thanks to its synchronous rectification.
4. Switching Frequency: Operates at a fixed frequency of 580 kHz, which optimizes efficiency and minimizes external component size.
5. Mode of Operation: Features a low-RDS(on) high-side and low-side MOSFET, reducing conduction losses.
6. Protection Features: Includes protection mechanisms such as under-voltage lockout, over-current protection, and thermal shutdown.
7. Soft Start: Incorporates internal soft-start control to limit inrush current during power-up.
8. Light Load Efficiency: Supports pulse-skipping mode to maintain efficiency at light loads.
9. Compact Package: Available in a small, thermally efficient 6-pin SOT-563 package, ideal for space-constrained applications.
These features make the TPS563203DRLR suitable for applications like consumer electronics, industrial systems, and computing devices.

Package

The TPS563203DRLR is a step-down converter from Texas Instruments, housed in an SOT-563 package. This small-outline package is designed for space-constrained applications, providing efficient power conversion in a compact form factor.

Pinout

The TPS563203DRLR is a DC-DC buck converter from Texas Instruments. It is typically housed in a 6-pin SOT-563 package. The functions of the pins are as follows:
1. VIN: Input voltage pin. It receives the input voltage to be regulated.
2. SW: Switch node pin. This is the output of the high-side MOSFET and is connected to the inductor.
3. GND: Ground pin. It serves as the reference point for the circuitry and is connected to the system ground.
4. FB: Feedback pin. This pin is used to set the output voltage via a resistor divider connected to the output.
5. EN: Enable pin. It is used to enable or disable the device. A high level on this pin enables the device.
6. NC (No Connect): Typically unused in circuit design but physically present in the package.
The TPS563203DRLR provides a simple and efficient solution for step-down voltage conversion with a focus on low power applications.

Manufacturer

The TPS563203DRLR is manufactured by Texas Instruments (TI), a global semiconductor company headquartered in Dallas, Texas. Texas Instruments is known for designing and manufacturing a wide array of semiconductor products, including analog chips and embedded processors, which are integral to various electronic systems. TI's products are used in a wide range of applications, from consumer electronics to automotive and industrial systems. The company is one of the largest semiconductor manufacturers in the world and has a reputation for innovation and quality in the electronics industry.

Application

The TPS563203DRLR is a step-down (buck) converter commonly used in applications requiring efficient power management. It is suitable for consumer electronics, industrial equipment, and communication systems. Specific applications include powering microcontrollers, FPGAs, DSPs, and other digital ICs in laptops, tablets, set-top boxes, and networking equipment. Its high efficiency and compact size make it ideal for space-constrained designs that require reliable voltage regulation.

Equivalent

Equivalent products to the TPS563203DRLR chip include:
1. LMR14020: A 2A, 40V input synchronous buck converter from Texas Instruments.
2. MP1584: A 3A, 28V input step-down converter from MPS.
3. LM2596: A 3A, 40V input step-down regulator from Texas Instruments.
4. AP63203: A 2A, 28V input synchronous buck converter from Diodes Incorporated.
These alternatives provide similar functionalities and specifications for DC-DC conversion applications. Always verify pin compatibility and specific application requirements before substituting.

Shipping

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DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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