L78L33ABZ-AP

Linear Voltage Regulators 3.3V 0.1A Positive
5,808 有效庫存

L78L33ABZ-AP

有效庫存5,808

Linear Voltage Regulators 3.3V 0.1A Positive

  • 製造商零件號 # : L78L33ABZ-AP

  • 包裝/封裝: TO92-3

  • 製造商: Stmicroelectronics

  • 產品分類 : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

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L78L33ABZ-AP 數據表
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詳細說明

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

主要特徵

  • 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

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

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

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 L78L33ABZ-AP PDF 下載

常見問題解答

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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