Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 1.2V |
| Voltage-Output(Max) | 5.5V |
| Current-Output | 500mA |
| Current-Quiescent(Iq) | 385 µA |
| PSRR | 59dB ~ 39dB (100Hz ~ 100kHz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | SOT-223-6 |
Tổng quan
Description
The TPS79501DCQR is a high-performance, low-dropout (LDO) voltage regulator from Texas Instruments. It is designed to provide a stable output voltage with an excellent line and load transient response. The device supports an output current of up to 500 mA, making it suitable for powering a variety of electronic components in applications like communications, industrial systems, and consumer electronics.
Key features include an input voltage range of 2.7V to 5.5V and an output voltage that can be adjusted using an external resistor divider. The TPS79501DCQR stands out for its low dropout voltage and low quiescent current, which help in improving the efficiency of battery-powered applications. It also includes built-in protection features such as current limiting and thermal shutdown, ensuring reliable operation under various conditions.
The device is packaged in a small, thermally efficient 6-pin SOT-223 package, making it ideal for space-constrained designs. Overall, the TPS79501DCQR offers a robust solution for applications requiring a reliable and efficient voltage regulation.
Key features include an input voltage range of 2.7V to 5.5V and an output voltage that can be adjusted using an external resistor divider. The TPS79501DCQR stands out for its low dropout voltage and low quiescent current, which help in improving the efficiency of battery-powered applications. It also includes built-in protection features such as current limiting and thermal shutdown, ensuring reliable operation under various conditions.
The device is packaged in a small, thermally efficient 6-pin SOT-223 package, making it ideal for space-constrained designs. Overall, the TPS79501DCQR offers a robust solution for applications requiring a reliable and efficient voltage regulation.
Equivalent
The TPS79501DCQR is a low-dropout (LDO) voltage regulator. Equivalent products from other manufacturers might include:
1. Microchip MCP1826S - Offers similar LDO features.
2. Linear Technology LT1763 - Another low-noise, low-dropout regulator.
3. ON Semiconductor NCP1117 - Offers comparable characteristics.
4. Analog Devices ADP3330 - High-precision LDO with similar specs.
Ensure to verify the specific requirements like input/output voltage, current rating, and package type when selecting an equivalent.
1. Microchip MCP1826S - Offers similar LDO features.
2. Linear Technology LT1763 - Another low-noise, low-dropout regulator.
3. ON Semiconductor NCP1117 - Offers comparable characteristics.
4. Analog Devices ADP3330 - High-precision LDO with similar specs.
Ensure to verify the specific requirements like input/output voltage, current rating, and package type when selecting an equivalent.
Features
The TPS79501DCQR is a high-performance, low-dropout (LDO) voltage regulator from Texas Instruments. It features a wide input voltage range from 2.7V to 5.5V and provides a fixed output voltage of 1.0V with a current output of up to 500 mA. The device is known for its very low dropout voltage, typically around 190 mV at full load, which makes it efficient for battery-powered applications. It offers fast transient response and excellent line and load regulation.
Additional features include low noise of 30 µVrms, making it suitable for noise-sensitive applications, and a high Power-Supply Rejection Ratio (PSRR) of 55 dB at 10 kHz. The TPS79501DCQR also provides a quick-start feature with an enable pin for controlled startup. Thermal shutdown and current limit protection are included for enhanced reliability. It is housed in a small, thermally efficient 8-pin VSON package, making it ideal for compact designs. The device is commonly used in applications such as portable electronics, wireless communication devices, and industrial instrumentation.
Additional features include low noise of 30 µVrms, making it suitable for noise-sensitive applications, and a high Power-Supply Rejection Ratio (PSRR) of 55 dB at 10 kHz. The TPS79501DCQR also provides a quick-start feature with an enable pin for controlled startup. Thermal shutdown and current limit protection are included for enhanced reliability. It is housed in a small, thermally efficient 8-pin VSON package, making it ideal for compact designs. The device is commonly used in applications such as portable electronics, wireless communication devices, and industrial instrumentation.
Pinout
The TPS79501DCQR is a low-dropout (LDO) voltage regulator from Texas Instruments. It comes in a SOT-223 package and typically has a 5-pin configuration. Here are the key functions of each pin:
1. VIN (Input Voltage): This pin is used to supply the input voltage to the regulator.
2. GND (Ground): The common ground pin for both input and output.
3. VOUT (Output Voltage): This pin provides the regulated output voltage.
4. NR/FB (Noise Reduction/Feedback): Used for noise reduction and setting the output voltage. An external capacitor can be connected to this pin for noise filtering.
5. EN (Enable): This pin enables or disables the regulator. It must be high for the regulator to be active.
The TPS79501DCQR is designed for applications requiring very low noise and high accuracy. It can deliver up to 500 mA of output current with a fixed or adjustable output voltage.
1. VIN (Input Voltage): This pin is used to supply the input voltage to the regulator.
2. GND (Ground): The common ground pin for both input and output.
3. VOUT (Output Voltage): This pin provides the regulated output voltage.
4. NR/FB (Noise Reduction/Feedback): Used for noise reduction and setting the output voltage. An external capacitor can be connected to this pin for noise filtering.
5. EN (Enable): This pin enables or disables the regulator. It must be high for the regulator to be active.
The TPS79501DCQR is designed for applications requiring very low noise and high accuracy. It can deliver up to 500 mA of output current with a fixed or adjustable output voltage.
Manufacturer
The TPS79501DCQR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and systems. They are known for their development of analog and embedded processing chips, which are used in various applications, including industrial, automotive, consumer electronics, and communication equipment. TI is recognized for its innovation and extensive product portfolio, making it a key player in the electronics industry.
Application
The TPS79501DCQR is a high-performance, low-dropout (LDO) voltage regulator. Its application areas include powering precision analog circuits, RF communication equipment, and battery-operated devices. It is well-suited for use in portable electronics, medical instrumentation, and industrial control systems due to its low noise and high accuracy. Additionally, its fast transient response makes it suitable for powering microcontrollers and DSPs in dynamic environments. Its features, such as thermal shutdown and current limiting, ensure reliable operation in various applications.
Package
The TPS79501DCQR is housed in a SON (Small Outline No-lead) package type, specifically a 6-pin SON package. This configuration is designed to offer a compact footprint with enhanced thermal performance, suitable for applications requiring efficient power management in tight spaces.
