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TPS73433DDCR
+BOMIC REG LINEAR 3.3V 250MA SOT23
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Nhà sản xuấtTexas Dụng cụ
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Ông. Phần #TPS73433DDCR
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Part Status | Active |
| Base Product Number | TPS73433 |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 6.5V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage Dropout (Max) | 0.22V @ 250mA |
| Current - Output | 250mA |
| Current - Quiescent (Iq) | 65 µA |
| PSRR | 60dB ~ 28dB (100Hz ~ 100kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Under Voltage Lockout (UVLO) |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package | SOT-23-5 Thin, TSOT-23-5 |
| Supplier Device Package | SOT-23-THIN |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
Tổng quan
Description
The TPS73433DDCR is a low-dropout (LDO) voltage regulator from Texas Instruments, designed to provide a stable output voltage of 3.3V. It is part of the TPS734xx family, known for its high performance in power management applications. Key features include a low dropout voltage, typically around 200 mV at full load, and an impressive output current capability of up to 1A. The device offers fast transient response and excellent line and load regulation, making it suitable for applications involving sensitive digital components.
The regulator includes an active output discharge feature, ensuring the output capacitor discharges quickly when the device is disabled. It also has an enable pin for on/off control, adding flexibility in power management designs. The TPS73433DDCR is available in a small SOT-223 package, enabling easy integration into compact circuit layouts. It is commonly used in applications such as battery-powered devices, portable electronics, and any systems requiring efficient voltage regulation with minimal power loss.
The regulator includes an active output discharge feature, ensuring the output capacitor discharges quickly when the device is disabled. It also has an enable pin for on/off control, adding flexibility in power management designs. The TPS73433DDCR is available in a small SOT-223 package, enabling easy integration into compact circuit layouts. It is commonly used in applications such as battery-powered devices, portable electronics, and any systems requiring efficient voltage regulation with minimal power loss.
Equivalent
The TPS73433DDCR is a low-dropout (LDO) linear voltage regulator. Equivalent products include:
1. MIC5205-3.3YM5 by Microchip - A 3.3V, 150mA LDO with similar features.
2. LP2985-33DBVR by Texas Instruments - Another 3.3V LDO with comparable specifications.
3. NCP1117DT33G by ON Semiconductor - A 3.3V, 1A LDO regulator.
4. LD1117S33TR by STMicroelectronics - A similar 3.3V LDO linear regulator.
Ensure compatibility in terms of voltage, current output, and package type before substituting.
1. MIC5205-3.3YM5 by Microchip - A 3.3V, 150mA LDO with similar features.
2. LP2985-33DBVR by Texas Instruments - Another 3.3V LDO with comparable specifications.
3. NCP1117DT33G by ON Semiconductor - A 3.3V, 1A LDO regulator.
4. LD1117S33TR by STMicroelectronics - A similar 3.3V LDO linear regulator.
Ensure compatibility in terms of voltage, current output, and package type before substituting.
Features
The TPS73433DDCR is a low-dropout (LDO) linear voltage regulator from Texas Instruments. It offers several key features:
1. Output Voltage: It provides a fixed output voltage of 3.3V.
2. Low Dropout Voltage: It features a low dropout voltage, which is beneficial for applications requiring efficient power usage.
3. High PSRR: The device offers high Power Supply Rejection Ratio (PSRR), making it suitable for noise-sensitive applications.
4. Current Limit and Thermal Protection: The regulator includes current limiting and thermal shutdown features to protect against overload and overheating.
5. Enable Pin: It has an enable/disable pin for easy control of the output.
6. Small Package: The TPS73433DDCR comes in a compact SOT-23 package, ideal for space-constrained designs.
7. Quiescent Current: It features low quiescent current, which helps in minimizing power consumption when idle.
8. Stability: It is designed to be stable with ceramic capacitors, aiding in cost efficiency and performance.
These features make the TPS73433DDCR suitable for a wide range of applications, including portable devices and power-sensitive systems.
1. Output Voltage: It provides a fixed output voltage of 3.3V.
2. Low Dropout Voltage: It features a low dropout voltage, which is beneficial for applications requiring efficient power usage.
3. High PSRR: The device offers high Power Supply Rejection Ratio (PSRR), making it suitable for noise-sensitive applications.
4. Current Limit and Thermal Protection: The regulator includes current limiting and thermal shutdown features to protect against overload and overheating.
5. Enable Pin: It has an enable/disable pin for easy control of the output.
6. Small Package: The TPS73433DDCR comes in a compact SOT-23 package, ideal for space-constrained designs.
7. Quiescent Current: It features low quiescent current, which helps in minimizing power consumption when idle.
8. Stability: It is designed to be stable with ceramic capacitors, aiding in cost efficiency and performance.
These features make the TPS73433DDCR suitable for a wide range of applications, including portable devices and power-sensitive systems.
Pinout
The TPS73433DDCR is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It is part of the TPS734 series, which is known for its low quiescent current and low noise. The specific model TPS73433DDCR comes in an 8-pin SON (Small Outline No-lead) package.
Here’s a brief overview of its pin functions:
1. VIN: Input voltage pin where the unregulated input voltage is supplied.
2. VOUT: Output voltage pin that provides the regulated voltage output.
3. GND: Ground reference pin for the circuit.
4. NR: Noise reduction pin that allows for optional noise reduction via an external capacitor.
5. EN: Enable pin used to enable or disable the regulator (active high).
6. NC: No connection; typically left unconnected.
7. NC: No connection; typically left unconnected.
8. PAD: Exposed thermal pad, which should be connected to ground for optimal thermal performance.
This regulator is designed for applications requiring low noise and high power-supply rejection ratio (PSRR), making it suitable for noise-sensitive applications.
Here’s a brief overview of its pin functions:
1. VIN: Input voltage pin where the unregulated input voltage is supplied.
2. VOUT: Output voltage pin that provides the regulated voltage output.
3. GND: Ground reference pin for the circuit.
4. NR: Noise reduction pin that allows for optional noise reduction via an external capacitor.
5. EN: Enable pin used to enable or disable the regulator (active high).
6. NC: No connection; typically left unconnected.
7. NC: No connection; typically left unconnected.
8. PAD: Exposed thermal pad, which should be connected to ground for optimal thermal performance.
This regulator is designed for applications requiring low noise and high power-supply rejection ratio (PSRR), making it suitable for noise-sensitive applications.
Manufacturer
The TPS73433DDCR is manufactured by Texas Instruments. Texas Instruments, commonly referred to as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. The company is known for its diverse range of products, including analog chips and embedded processors, which are used in a wide array of applications across different industries, such as automotive, industrial, personal electronics, and communications equipment. TI is a major player in the global semiconductor industry and has a strong reputation for innovation and reliability.
Application
The TPS73433DDCR is a low-dropout (LDO) voltage regulator. Its application areas include powering sensitive electronics that require a stable 3.3V output. It is commonly used in portable and battery-powered devices, telecommunications equipment, and automotive electronics. This regulator is suitable for applications needing fast transient response and low noise, such as microcontrollers, RF modules, and digital signal processors. Its small size and thermal efficiency also make it ideal for space-constrained designs like wearables and handheld devices. Additionally, it is used in industrial automation and consumer electronics where precise voltage regulation is critical.
Package
The TPS73433DDCR is a low-dropout (LDO) voltage regulator in a SOT-23-5 package. This compact package type is ideal for applications requiring efficient space utilization on printed circuit boards.
