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L78L33ABZ-AP
Linear Voltage Regulators 3.3V 0.1A Positive
L78L33ABZ-AP
Linear Voltage Regulators 3.3V 0.1A Positive
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Manufacturer Part # : L78L33ABZ-AP
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Package/Case: TO92-3
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Brand: Stmicroelectronics
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Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
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L78L33ABZ-AP DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
Offering a robust solution for voltage regulation needs, the L78L33ABZ-AP from the L78L series stands out for its internal current limiting and thermal shutdown functions, ensuring utmost protection and reliability. With the capability to support up to 100 mA output current with proper heat dissipation, this regulator is well-suited for applications requiring stable and noise-free power supply. Its compatibility with power pass elements enables the creation of high-current voltage regulators, expanding its utility in various setups. Moreover, as a replacement for Zener diode/resistor configurations, the L78L series delivers enhanced performance along with lower quiescent current and reduced noise interference
Key Features
- The L78L33ABZ-AP has an adjustable output current up to 100mA
- It offers a high precision and stability in voltage regulation
- Its thermal shutdown feature protects the device from overheating
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Operating Temp Min Celsius | -40.0 | Operating Temp Max Celsius | 125.0 |
| ECCN US | EAR99 | ECCN EU | NEC |
| Packing Type | Ammopack | RoHs compliant | Ecopack2 |
| Grade | Industrial | Package Name | TO-92 |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is L78L33ABZ-AP?
The L78L33ABZ-AP is a low-dropout voltage regulator (LDO) integrated circuit designed by STMicroelectronics. It is specifically designed to provide a constant 3.3V output voltage from a higher input voltage source. The L78L33ABZ-AP is commonly used in electronic devices and circuits that require a stable 3.3V power supply.
How Does L78L33ABZ-AP Work?
The L78L33ABZ-AP works by regulating the input voltage to a stable 3.3V output voltage. It utilizes a feedback control mechanism to adjust the output voltage and maintain it at a constant level, even when there are fluctuations in the input voltage or changes in the load. The low dropout voltage feature allows it to operate with a very small voltage difference between the input and output.
How Many Pins does L78L33ABZ-AP have and What are the Functions of the Pinout Configuration?
The L78L33ABZ-AP is housed in a small 3-pin package. The pinout configuration includes:
- Input (VIN): The input pin for the higher voltage source.
- Ground (GND): The ground pin for the regulator.
- Output (VOUT): The regulated 3.3V output pin.
What are the Pros and Cons of L78L33ABZ-AP?
Pros:
- Stable Output: Provides a stable 3.3V output voltage, suitable for powering digital circuits and other electronic devices.
- Low Dropout Voltage: Can regulate the output voltage even when the input voltage is only slightly higher, maximizing efficiency.
- Simple Configuration: Requires minimal external components for operation, simplifying circuit design.
- Small Package: The 3-pin package is space-efficient, suitable for compact designs.
Cons:
- Heat Dissipation: May require a heat sink in high current applications to dissipate heat generated during regulation.
- Fixed Output Voltage: The output voltage is fixed at 3.3V and cannot be adjusted.
Are There Any Equivalents/Alternatives to L78L33ABZ-AP for Recommendation?
- The LM1117 from Texas Instruments is a similar 3.3V LDO regulator with a low dropout voltage.
- Alternatives to the L78L33ABZ-AP include the AMS1117 from Advanced Monolithic Systems and the MCP1700 from Microchip Technology.
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