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TPS563257DRLR

Name: TPS563257DRLR
Rating: 4.7 (12 reviews)

IC REG BUCK ADJ 3A SOT563

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資料表 TPS563257DRLR DataSheet
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規格

Series	D-CAP3™
Part Status	Active
Function	Step-Down
Output Configuration	Positive
Topology	Buck
Output Type	Adjustable
Number of Outputs	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
Synchronous Rectifier	Yes
Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount
Package / Case	SOT-563, SOT-666
Supplier Device Package	SOT-563
Base Product Number	TPS563257

概述

Description

The TPS563257DRLR is a step-down (buck) voltage regulator from Texas Instruments, designed for applications requiring efficient power conversion. It features a wide input voltage range of 4.5V to 17V and can output a programmable voltage of 0.8V to 5V, with a maximum output current of 3A.
This device employs a synchronous rectification architecture, which improves efficiency, especially under light loads, and integrates a high-frequency PWM control scheme that allows for compact design solutions. It includes features such as built-in soft-start, thermal shutdown, and overcurrent protection.
The TPS563257DRLR is housed in a compact 5mm x 5mm VQFN package, making it suitable for space-constrained applications like consumer electronics, telecommunications, and industrial equipment. With its combination of performance, efficiency, and ease of use, it is an excellent choice for designers looking to implement reliable power management solutions.

Features

The TPS563257DRLR is a step-down (buck) voltage regulator from Texas Instruments designed for applications requiring efficient power conversion. Key features include:
1. Input Voltage Range: Operates from 4.5V to 17V, suitable for a variety of power sources.
2. Output Current: Capable of delivering up to 3A output current.
3. High Efficiency: Offers up to 95% efficiency, minimizing power loss and heat generation.
4. Adjustable Output Voltage: Provides an adjustable output voltage from 0.8V to 15V, allowing flexibility for various applications.
5. Small Package Size: Available in a compact 8-pin HTQFP package, ideal for space-constrained designs.
6. Integrated Features: Includes features like overcurrent protection, thermal shutdown, and soft start to enhance performance and reliability.
7. Operating Temperature: Designed for operation in a wide temperature range from -40°C to +125°C.
These features make the TPS563257DRLR suitable for use in point-of-load applications, telecom, and industrial systems.

Package

The TPS563257DRLR is packaged in a 16-pin HTQFN (Thermal Enhanced Thin Quad Flat No-lead) package, which offers a compact design ideal for space-constrained applications.

Pinout

The TPS563257DRLR is a step-down (buck) DC-DC converter from Texas Instruments. It comes in a 16-pin HTQFN package with a pin count of 16.
Pin Functions:
1. VIN - Input voltage supply.
2. GND - Ground connection.
3. SW - Switch node to connect to the output inductor.
4. BOOT - Bootstrap capacitor connection for high-side MOSFET driving.
5. PH - Phase node for loop compensation.
6. COMP - Compensation network connection for the control loop.
7. CSN - Current sense negative input.
8. CSP - Current sense positive input.
9. RT - Resistor connection for setting the switching frequency.
10. SS - Soft-start connection.
11. TRM - Thermal monitoring.
12. ISEN - Current sensing.
13. FB - Feedback voltage input for regulation.
14. EN - Enable pin to turn the device on/off.
15. PGOOD - Power good output status indicator.
16. VC - Voltage control input for loop regulation.
This device is suitable for a variety of power management applications requiring high efficiency and compact solutions.

Manufacturer

The TPS563257DRLR is manufactured by Texas Instruments (TI), a global semiconductor company based in the United States. Founded in 1930, Texas Instruments specializes in designing and manufacturing a wide range of analog and digital semiconductor solutions, including integrated circuits (ICs) for various applications such as automotive, industrial, communications, and consumer electronics. The company is well-known for its innovations in signal processing, microcontrollers, and power management products, making it a key player in the semiconductor industry. TI is recognized for its commitment to quality and performance, catering to a diverse clientele across multiple sectors.

Application

The TPS563257DRLR is a step-down (buck) voltage regulator primarily used in applications such as point-of-load (POL) power supplies, DC-DC converters for processors, FPGAs, and ASICs. It is suitable for use in consumer electronics, industrial automation, telecommunications, and automotive systems, providing efficient power management with adjustable output voltage and high performance in compact spaces.

Equivalent

The TPS563257DRLR is a buck converter from Texas Instruments. Equivalent products include the LM2596, LM2675, and TPS562200, which offer similar voltage and current capabilities. Other alternatives might be the MICREL MIC2233 and the LTC3780. Always check the specific datasheets for exact specifications, features, and pin compatibility before substitution.