TPS40303DRCR

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TPS40303DRCR

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IC REG CTRLR BUCK 10SON

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仕様

属性
Part Status Active
Output Type Transistor Driver
Function Step-Down
Output Configuration Positive
Topology Buck
Number of Outputs 1
Output Phases 1
Voltage - Supply (Vcc/Vdd) 3V ~ 20V
Frequency - Switching 300kHz
Duty Cycle (Max) 90%
Synchronous Rectifier Yes
Clock Sync No
Control Features Enable, Power Good, Soft Start
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 10-VFDFN Exposed Pad
Supplier Device Package 10-VSON (3x3)
Base Product Number TPS40303

概要

Description

The TPS40303DRCR is a synchronous buck converter from Texas Instruments designed for step-down voltage regulation. It features a 3.5 A output current capability and operates over a wide input voltage range of 4.5 V to 17 V, making it suitable for a variety of applications, including point-of-load regulation in processors, FPGAs, and other digital circuits.
Key features include integrated MOSFETs for efficient power conversion, adjustable output voltage down to 0.8 V, and a programmable soft-start function that helps manage inrush current during startup. The device employs a current-mode control architecture, which enhances transient response and simplifies compensation design.
It also includes protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring reliability and safety in various operating conditions. The TPS40303DRCR is offered in a compact 16-pin HTQFP package, facilitating space-saving designs. Its combination of performance, efficiency, and protection makes it a popular choice among engineers for efficient DC-DC power supply solutions.

Equivalent

The TPS40303DRCR chip is a synchronous buck controller. Equivalent products include the LM2596, LM2675, and LM2623 from Texas Instruments, as well as the LTC3780 from Analog Devices. Other alternatives are the MIC217 and RT8206 from Microchip Technology. When selecting equivalents, consider voltage, current specifications, and application requirements for optimal performance.

Features

The TPS40303DRCR is a synchronous buck controller designed by Texas Instruments for DC-DC conversion. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 17V, making it suitable for various applications.
2. High Efficiency: Supports synchronous operation to minimize power losses.
3. Output Voltage Regulation: Offers adjustable output voltage down to 0.8V, with output voltage accuracy of ±1%.
4. Current Mode Control: Provides fast transient response and simplifies compensation.
5. Integrated High and Low-Side MOSFET Drivers: Reduces external component count and board space.
6. Soft Start Functionality: Prevents inrush current during startup.
7. Power Good Indicator: Alerts when the output voltage is within the desired range.
8. Thermal Shutdown and Overcurrent Protection: Ensures safe operation under fault conditions.
This device is ideal for applications requiring efficient voltage regulation, such as power supplies for processors, FPGAs, and other digital circuits.

Pinout

The TPS40303DRCR is a synchronous buck converter from Texas Instruments with a pin count of 16. Its primary functions include providing a regulated output voltage from a higher input voltage while delivering high efficiency and fast transient response.
Key pins and functions include:
1. VIN: Input voltage supply.
2. GND: Ground reference.
3. SW: Switch node connected to the inductor.
4. BOOT: Bootstrap capacitor connection for high-side MOSFET driving.
5. PH: Phase node for feedback.
6. COMP: Compensation network connection for stability.
7. FB: Feedback voltage sensing input.
8. EN: Enable pin for turning the device on/off.
9. RAMP: Connects to the slope compensation capacitor.
10. CSN/ CSP: Current sense inputs for overcurrent protection.
The device is designed for applications such as point-of-load converters, providing a compact solution for delivering power efficiently in various electronic devices.

Manufacturer

The TPS40303DRCR is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, with a strong focus on analog and embedded processing solutions.
Founded in 1930, the company has evolved from its origins in oil exploration and military applications to become a leader in the semiconductor industry. Texas Instruments is particularly known for its innovation in analog electronics, digital signal processors, microcontrollers, and power management devices.
The TPS40303DRCR itself is a synchronous buck controller designed for efficient power conversion applications, making it suitable for a wide range of electronic devices, from consumer electronics to industrial equipment. TI’s extensive portfolio and commitment to research and development have established it as a reliable source for high-performance electronic components.

Application

The TPS40303DRCR is a synchronous buck converter designed for step-down voltage regulation. Its application areas include:
1. DC-DC Power Supply: Converting higher DC voltage to lower levels for various electronic devices.
2. Battery-Powered Systems: Efficiently stepping down voltage for battery management in portable devices.
3. Industrial Equipment: Powering microcontrollers, sensors, and other components in automation systems.
4. Telecommunications: Providing regulated power for networking equipment and communication devices.
5. Consumer Electronics: Used in laptops, tablets, and smart devices for efficient power management.
Its high efficiency and compact design make it suitable for a wide range of applications requiring reliable voltage regulation.

Package

The TPS40303DRCR is packaged in a 16-pin HTQFP (Thin Quad Flat Package) with a pitch of 0.5 mm. This package type is designed for efficient thermal performance and compact designs, making it suitable for various applications in power management.

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