仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | SWIFT™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 17V |
| Voltage-Output(Min/Fixed) | 0.76V |
| Voltage-Output(Max) | 7V |
| Current-Output | 1A |
| Frequency-Switching | 580kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | SOT-23-6 Thin, TSOT-23-6 |
概要
Description
The TPS561201DDCR is a high-efficiency synchronous buck converter integrated circuit designed by Texas Instruments. It is part of the TPS561201 series, which is tailored for applications requiring a compact, cost-effective power management solution. This converter supports an input voltage range from 4.5V to 17V, making it suitable for use with a variety of power sources, including 12V nominal rails. It delivers a continuous output current of up to 1A with excellent line and load regulation.
Key features include a fixed output voltage of 5V, an integrated high-side and low-side MOSFET, and a high switching frequency of 580 kHz, which allows the use of smaller external components, leading to a smaller overall solution size. The TPS561201DDCR operates in continuous conduction mode (CCM) and incorporates various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout. Its small SOT-23 package makes it ideal for space-constrained applications, such as consumer electronics, industrial equipment, and telecommunications.
Key features include a fixed output voltage of 5V, an integrated high-side and low-side MOSFET, and a high switching frequency of 580 kHz, which allows the use of smaller external components, leading to a smaller overall solution size. The TPS561201DDCR operates in continuous conduction mode (CCM) and incorporates various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout. Its small SOT-23 package makes it ideal for space-constrained applications, such as consumer electronics, industrial equipment, and telecommunications.
Equivalent
The TPS561201DDCR is a 1A, 4.5-17V input, synchronous buck converter. Equivalent products include the LM2675 by Texas Instruments, MP1584 by Monolithic Power Systems, and AP3428 by Diodes Incorporated. These alternatives offer similar functionality in terms of voltage regulation and current output, but always verify the specific electrical and thermal requirements for your application before substitution.
Features
The TPS561201DDCR is a synchronous buck converter designed for high efficiency and compact power solutions. Key features include:
1. Input Voltage Range: Supports a wide input voltage range from 4.5 V to 17 V, suitable for various applications.
2. Output Current: Capable of delivering up to 1 A continuous output current.
3. Efficiency: High efficiency due to its synchronous rectification, reducing power losses.
4. Switching Frequency: Operates at a fixed switching frequency of 580 kHz, balancing size and efficiency.
5. Low Quiescent Current: Features low quiescent current for better efficiency in light-load conditions.
6. Soft Start: Provides a soft-start feature to prevent inrush current, enhancing reliability.
7. Protection Features: Includes overcurrent protection, output short-circuit protection, and thermal shutdown for robust operation.
8. Compact Package: Available in a small 6-pin SOT-23 package, ideal for space-constrained designs.
9. Applications: Suitable for use in various applications, including consumer electronics, industrial equipment, and distributed power systems.
These features make the TPS561201DDCR an excellent choice for efficient and reliable power management in compact electronic devices.
1. Input Voltage Range: Supports a wide input voltage range from 4.5 V to 17 V, suitable for various applications.
2. Output Current: Capable of delivering up to 1 A continuous output current.
3. Efficiency: High efficiency due to its synchronous rectification, reducing power losses.
4. Switching Frequency: Operates at a fixed switching frequency of 580 kHz, balancing size and efficiency.
5. Low Quiescent Current: Features low quiescent current for better efficiency in light-load conditions.
6. Soft Start: Provides a soft-start feature to prevent inrush current, enhancing reliability.
7. Protection Features: Includes overcurrent protection, output short-circuit protection, and thermal shutdown for robust operation.
8. Compact Package: Available in a small 6-pin SOT-23 package, ideal for space-constrained designs.
9. Applications: Suitable for use in various applications, including consumer electronics, industrial equipment, and distributed power systems.
These features make the TPS561201DDCR an excellent choice for efficient and reliable power management in compact electronic devices.
Pinout
The TPS561201DDCR is a step-down (buck) converter from Texas Instruments. It is housed in a SOT-23-6 package, meaning it has 6 pins. Here is a brief overview of its pin functions:
1. VIN: Input voltage pin. Connects to the input supply voltage.
2. SW: Switch pin. Connects to the inductor and is used for switching.
3. GND: Ground pin. Connects to the system ground.
4. FB: Feedback pin. Used for output voltage regulation by connecting to the output voltage divider.
5. EN: Enable pin. Used to enable or disable the device. A high level enables the converter, while a low level disables it.
6. BOOT: Bootstrap pin. Connects to a capacitor to provide a drive voltage higher than the input voltage for the high-side MOSFET.
The TPS561201 is designed for a variety of applications and provides efficient power conversion for systems requiring up to 1 A of output current.
1. VIN: Input voltage pin. Connects to the input supply voltage.
2. SW: Switch pin. Connects to the inductor and is used for switching.
3. GND: Ground pin. Connects to the system ground.
4. FB: Feedback pin. Used for output voltage regulation by connecting to the output voltage divider.
5. EN: Enable pin. Used to enable or disable the device. A high level enables the converter, while a low level disables it.
6. BOOT: Bootstrap pin. Connects to a capacitor to provide a drive voltage higher than the input voltage for the high-side MOSFET.
The TPS561201 is designed for a variety of applications and provides efficient power conversion for systems requiring up to 1 A of output current.
Manufacturer
The TPS561201DDCR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components, including integrated circuits (ICs) and microchips. TI is known for its contributions to the electronics industry, providing products that are used in everything from consumer electronics to industrial equipment and automotive systems. The company is headquartered in Dallas, Texas, and is recognized for its innovation and leadership in analog and embedded processing technologies.
Application
The TPS561201DDCR is a step-down (buck) voltage regulator commonly used in various applications. Its primary application areas include powering microcontrollers, FPGAs, and other digital ICs in consumer electronics, industrial automation, telecommunications, and networking equipment. It is also used in battery-powered devices, where efficient power management is crucial to extend battery life. Additionally, TPS561201DDCR is suitable for use in distributed power systems and point-of-load (POL) conversions, providing a stable output voltage from a higher input voltage source.
Package
The TPS561201DDCR is a DC-DC buck converter from Texas Instruments, housed in an SOT-23-6 package. This package type is compact, suitable for space-constrained applications, and features six leads, which facilitate surface-mount technology (SMT) assembly.
