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TPS78633DCQ
+BOMIC REG LINEAR 3.3V 1.5A SOT223-6
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ManufacturerTexas Instruments
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Mfr. Part #TPS78633DCQ
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Datasheet TPS78633DCQ DataSheet
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Package SOT-223 (DCQ)-6
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In Stock4978
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Specifications
| Attribute | Value |
| Package | Bulk,Tube |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 3.3V |
| VoltageDropout(Max) | 0.51V @ 1.5A |
| Current-Output | 1.5A |
| Current-Quiescent(Iq) | 385 µA |
| PSRR | 59dB ~ 32dB (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 |
Overview
Description
The TPS78633DCQ is a high-performance, low-dropout (LDO) linear voltage regulator from Texas Instruments. It is designed to provide a stable and precise output voltage with low noise and high power supply rejection, making it suitable for sensitive analog circuitry and RF applications. The device offers a fixed output voltage of 3.3 volts and can supply up to 1.5 amps of load current.
Key features include an ultra-low dropout voltage, which ensures efficient power usage and prolongs battery life in portable devices. The TPS78633DCQ also provides excellent line and load transient response, critical for maintaining output stability during fluctuations. It incorporates an enable pin for easy power management and a power-good signal to indicate output stability. Thermal and overcurrent protection features enhance reliability and safety in various applications. The device is available in a small, thermally efficient package, making it ideal for space-constrained designs.
Overall, the TPS78633DCQ is suitable for applications requiring high precision, low noise, and efficient power delivery, such as wireless LANs, portable equipment, and telecom infrastructures.
Key features include an ultra-low dropout voltage, which ensures efficient power usage and prolongs battery life in portable devices. The TPS78633DCQ also provides excellent line and load transient response, critical for maintaining output stability during fluctuations. It incorporates an enable pin for easy power management and a power-good signal to indicate output stability. Thermal and overcurrent protection features enhance reliability and safety in various applications. The device is available in a small, thermally efficient package, making it ideal for space-constrained designs.
Overall, the TPS78633DCQ is suitable for applications requiring high precision, low noise, and efficient power delivery, such as wireless LANs, portable equipment, and telecom infrastructures.
Equivalent
The TPS78633DCQ is a low-dropout (LDO) linear voltage regulator from Texas Instruments. Equivalent products would include:
1. LM317 (various manufacturers) - Adjustable voltage regulator.
2. LT1963A from Analog Devices - Low noise, low dropout regulator.
3. NCP1117 from ON Semiconductor - LDO regulator, adjustable version.
4. MIC29302 from Microchip Technology - High current, low voltage LDO regulator.
Ensure to verify the specific parameter requirements such as current rating, dropout voltage, and pin configuration when selecting an equivalent.
1. LM317 (various manufacturers) - Adjustable voltage regulator.
2. LT1963A from Analog Devices - Low noise, low dropout regulator.
3. NCP1117 from ON Semiconductor - LDO regulator, adjustable version.
4. MIC29302 from Microchip Technology - High current, low voltage LDO regulator.
Ensure to verify the specific parameter requirements such as current rating, dropout voltage, and pin configuration when selecting an equivalent.
Features
The TPS78633DCQ is a high-performance low-dropout (LDO) linear voltage regulator produced by Texas Instruments. Key features include:
1. Output Voltage: Fixed at 3.3V.
2. Output Current: Capable of supplying up to 1.5A.
3. Low Dropout Voltage: Typically around 200 mV at full load.
4. Precision: High accuracy output voltage with a typical tolerance of ±1.5%.
5. Fast Transient Response: Ensures stability over a wide range of conditions.
6. Ultralow Noise: Typically 40 µV RMS, suitable for sensitive applications.
7. Power-Supply Rejection Ratio (PSRR): High PSRR for noise reduction from the input supply.
8. Enable Pin: Allows the device to be shutdown to reduce power consumption.
9. Thermal Protection: Integrated for overheating protection.
10. Package: Available in a 20-pin TSSOP package, offering a smaller footprint for space-constrained applications.
11. Applications: Ideal for use in DSPs, FPGAs, microcontrollers, and RF components where precision and noise are critical.
These features make the TPS78633DCQ suitable for high-performance applications requiring a reliable and efficient voltage regulation.
1. Output Voltage: Fixed at 3.3V.
2. Output Current: Capable of supplying up to 1.5A.
3. Low Dropout Voltage: Typically around 200 mV at full load.
4. Precision: High accuracy output voltage with a typical tolerance of ±1.5%.
5. Fast Transient Response: Ensures stability over a wide range of conditions.
6. Ultralow Noise: Typically 40 µV RMS, suitable for sensitive applications.
7. Power-Supply Rejection Ratio (PSRR): High PSRR for noise reduction from the input supply.
8. Enable Pin: Allows the device to be shutdown to reduce power consumption.
9. Thermal Protection: Integrated for overheating protection.
10. Package: Available in a 20-pin TSSOP package, offering a smaller footprint for space-constrained applications.
11. Applications: Ideal for use in DSPs, FPGAs, microcontrollers, and RF components where precision and noise are critical.
These features make the TPS78633DCQ suitable for high-performance applications requiring a reliable and efficient voltage regulation.
Pinout
The TPS78633DCQ is a low-dropout (LDO) voltage regulator from Texas Instruments. It is designed to provide a stable output voltage of 3.3V. This specific device comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pin configuration typically includes:
1. Vin (Input voltage): Supplies input voltage to the LDO.
2. Vout (Output voltage): Provides the regulated output voltage.
3. GND (Ground): Common ground for the input and output.
4. EN (Enable): Used to enable or disable the regulator.
5. NC (No Connect): Not connected to the internal circuitry.
6. NR/SS (Noise Reduction/Soft-Start): Used for noise reduction or to set the soft-start.
7. FB (Feedback): Used to set the output voltage in some versions.
8. PG (Power Good): Indicates if the output voltage is within specification.
The TPS78633DCQ offers features such as low dropout voltage, high output current capability, and low quiescent current, making it suitable for various applications requiring efficient voltage regulation.
1. Vin (Input voltage): Supplies input voltage to the LDO.
2. Vout (Output voltage): Provides the regulated output voltage.
3. GND (Ground): Common ground for the input and output.
4. EN (Enable): Used to enable or disable the regulator.
5. NC (No Connect): Not connected to the internal circuitry.
6. NR/SS (Noise Reduction/Soft-Start): Used for noise reduction or to set the soft-start.
7. FB (Feedback): Used to set the output voltage in some versions.
8. PG (Power Good): Indicates if the output voltage is within specification.
The TPS78633DCQ offers features such as low dropout voltage, high output current capability, and low quiescent current, making it suitable for various applications requiring efficient voltage regulation.
Manufacturer
The TPS78633DCQ is manufactured by Texas Instruments. Texas Instruments, commonly known as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. They are a leading supplier of semiconductor products for a wide range of applications including automotive, industrial, personal electronics, and communications equipment. Texas Instruments is particularly renowned for its analog chips and embedded processors, which contribute significantly to its business operations. The company is based in Dallas, Texas, and has a strong global presence in the electronics industry.
Application
The TPS78633DCQ is a low-dropout linear regulator commonly used in applications requiring efficient power management. Key application areas include:
1. Consumer Electronics: Powering microcontrollers and other low-power components in devices like smartphones and tablets.
2. Communications Equipment: Providing stable power for networking devices such as routers and modems.
3. Industrial Automation: Supplying regulated power for sensors and control units in industrial systems.
4. Medical Devices: Ensuring precise voltage control for sensitive medical equipment.
5. Computer Peripherals: Supporting components in devices like keyboards and mice.
Its high precision and low noise make it suitable for applications needing stable voltage regulation under varying conditions.
1. Consumer Electronics: Powering microcontrollers and other low-power components in devices like smartphones and tablets.
2. Communications Equipment: Providing stable power for networking devices such as routers and modems.
3. Industrial Automation: Supplying regulated power for sensors and control units in industrial systems.
4. Medical Devices: Ensuring precise voltage control for sensitive medical equipment.
5. Computer Peripherals: Supporting components in devices like keyboards and mice.
Its high precision and low noise make it suitable for applications needing stable voltage regulation under varying conditions.
Package
The TPS78633DCQ is a low-dropout (LDO) voltage regulator from Texas Instruments. It comes in a DCQ package, which refers to the SOT-223 package type. This is a surface-mount package with a compact footprint, suitable for applications where space is a constraint.
