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LP38693SD-3.3
+NomenclatureIC REG LINEAR 3.3V 500MA 6-WSON
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FabricantTexas Instruments
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Pièce fabricant #LP38693SD-3.3
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Fiche technique LP38693SD-3.3 DataSheet
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En stock8892
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Spécifications
| Attribut | Valeur |
| PartStatus | Obsolete |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 10V |
| Voltage-Output(Min/Fixed) | 3.3V |
| VoltageDropout(Max) | 0.55V @ 500mA |
| Current-Output | 500mA |
| Current-Quiescent(Iq) | 55 µA |
| Current-Supply(Max) | 100 µA |
| PSRR | 55dB (120Hz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Temperature |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 6-WDFN Exposed Pad |
| SupplierDevicePackage | 6-WSON (3x3) |
| BaseProductNumber | LP38693 |
| Grade | Automotive |
| Qualification | AEC-Q100 |
Présentation
Description
The LP38693SD-3.3 is a low-dropout (LDO) voltage regulator designed to provide a stable 3.3V output with a maximum output current of 800mA. It features a low quiescent current, making it suitable for battery-powered applications. The device has a dropout voltage of 300mV at full load, ensuring efficient performance even when input voltages are close to the output voltage.
Key features include thermal shutdown, current limit protection, and an adjustable output voltage option (via external resistors). It operates over a wide input voltage range, typically from 3.3V to 20V, and has good transient response characteristics, which helps maintain stable output during load changes. The LP38693SD-3.3 is packaged in a compact SOIC-8 package, making it ideal for space-constrained designs. Its reliability and efficiency make it suitable for applications like portable devices, telecommunications, and automotive electronics.
Key features include thermal shutdown, current limit protection, and an adjustable output voltage option (via external resistors). It operates over a wide input voltage range, typically from 3.3V to 20V, and has good transient response characteristics, which helps maintain stable output during load changes. The LP38693SD-3.3 is packaged in a compact SOIC-8 package, making it ideal for space-constrained designs. Its reliability and efficiency make it suitable for applications like portable devices, telecommunications, and automotive electronics.
Equivalent
Equivalent products to the LP38693SD-3.3 include the LM1117-3.3, AMS1117-3.3, and MIC5205-3.3. These voltage regulators provide similar output voltage (3.3V) and have comparable current ratings. Always check the specific datasheets for exact specifications, thermal performance, and pin configurations to ensure compatibility with your application.
Features
The LP38693SD-3.3 is a low-dropout (LDO) voltage regulator designed for a range of applications requiring a stable output voltage of 3.3V. Key features include:
1. Output Current: Provides up to 1A of output current.
2. Low Dropout Voltage: Typically around 300mV at 1A load, facilitating efficient operation even with minimal input-output voltage difference.
3. Input Voltage Range: Accepts input voltages from 4.5V to 15V.
4. Power Supply Rejection Ratio (PSRR): High PSRR ensures minimal output voltage variation due to changes in input voltage or load conditions.
5. Thermal Overload Protection: Integrated thermal shutdown protects the device from overheating.
6. Short-Circuit Protection: Automatically limits current during short-circuit conditions.
7. Stability: Compatible with a wide range of output capacitors, including ceramic types, for improved transient response.
8. Package: Available in surface-mount SO-8 and TO-220 packages for ease of integration.
These features make the LP38693SD-3.3 suitable for powering microcontrollers, sensors, and other low-voltage electronics.
1. Output Current: Provides up to 1A of output current.
2. Low Dropout Voltage: Typically around 300mV at 1A load, facilitating efficient operation even with minimal input-output voltage difference.
3. Input Voltage Range: Accepts input voltages from 4.5V to 15V.
4. Power Supply Rejection Ratio (PSRR): High PSRR ensures minimal output voltage variation due to changes in input voltage or load conditions.
5. Thermal Overload Protection: Integrated thermal shutdown protects the device from overheating.
6. Short-Circuit Protection: Automatically limits current during short-circuit conditions.
7. Stability: Compatible with a wide range of output capacitors, including ceramic types, for improved transient response.
8. Package: Available in surface-mount SO-8 and TO-220 packages for ease of integration.
These features make the LP38693SD-3.3 suitable for powering microcontrollers, sensors, and other low-voltage electronics.
Pinout
The LP38693SD-3.3 is a low-dropout (LDO) voltage regulator with a pin count of 8. Its primary function is to provide a regulated output voltage of 3.3V with a maximum output current of 1A.
Here are the pin functions:
1. Input (Vin): Power supply input.
2. Output (Vout): Regulated output voltage.
3. Ground (GND): Common ground reference.
4. Enable (EN): Active-high enable pin (when high, the regulator is enabled).
5. Adjustment (Adj): Not used in fixed output versions.
6. Bypass (Bypass): Connects to an external capacitor to improve transient response.
7. Thermal Pad: For heat dissipation (not a pin but important for thermal management).
8. N/C: No connection (not internally connected).
The LP38693SD-3.3 is suitable for various applications requiring low voltage and high efficiency.
Here are the pin functions:
1. Input (Vin): Power supply input.
2. Output (Vout): Regulated output voltage.
3. Ground (GND): Common ground reference.
4. Enable (EN): Active-high enable pin (when high, the regulator is enabled).
5. Adjustment (Adj): Not used in fixed output versions.
6. Bypass (Bypass): Connects to an external capacitor to improve transient response.
7. Thermal Pad: For heat dissipation (not a pin but important for thermal management).
8. N/C: No connection (not internally connected).
The LP38693SD-3.3 is suitable for various applications requiring low voltage and high efficiency.
Manufacturer
The LP38693SD-3.3 is manufactured by Texas Instruments (TI), a leading global semiconductor company. Founded in 1930, Texas Instruments is headquartered in Dallas, Texas, and is known for designing and manufacturing a wide range of electronics, including analog and mixed-signal integrated circuits, digital signal processors, and microcontrollers. TI serves various markets, including automotive, industrial, communications, and consumer electronics. The company is recognized for its innovation in semiconductor technology and its commitment to research and development. Texas Instruments has a strong reputation in the industry for producing high-quality, reliable components that are widely used in electronic devices and systems around the world.
Application
The LP38693SD-3.3 is a low-dropout (LDO) voltage regulator primarily used in applications requiring a stable 3.3V output. Key application areas include:
1. Portable Devices: Powering mobile phones, tablets, and handheld devices.
2. Embedded Systems: Providing regulated voltage for microcontrollers and sensors.
3. Communication Equipment: Supporting wireless devices and networking hardware.
4. Industrial Applications: Supplying power to automation and control systems.
5. Consumer Electronics: Serving audio/video equipment, gaming consoles, and appliances.
Its low dropout voltage and high power supply rejection make it suitable for battery-operated devices and noise-sensitive applications.
1. Portable Devices: Powering mobile phones, tablets, and handheld devices.
2. Embedded Systems: Providing regulated voltage for microcontrollers and sensors.
3. Communication Equipment: Supporting wireless devices and networking hardware.
4. Industrial Applications: Supplying power to automation and control systems.
5. Consumer Electronics: Serving audio/video equipment, gaming consoles, and appliances.
Its low dropout voltage and high power supply rejection make it suitable for battery-operated devices and noise-sensitive applications.
Package
The LP38693SD-3.3 is packaged in a surface-mount SO-8 (Small Outline 8-lead) configuration. This package type is designed for efficient thermal performance and compact design in electronic circuits.
