L7915CT

Neg 15V output voltage regulator suitable for a variety of applications
7,403 有效庫存

L7915CT

有效庫存7,403

Neg 15V output voltage regulator suitable for a variety of applications

  • 製造商零件號 # : L7915CT

  • 包裝/封裝: TO-3

  • 製造商: Stmicroelectronics Nv

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

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L7915CT 數據表
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詳細說明

The L7915CT is part of the L79xx series of negative voltage regulators, and its capabilities make it suitable for a wide range of applications. Whether it's being used in instrumentation, telecommunications, or consumer electronics, this IC ensures that the -15 volts output voltage remains consistent, thanks to its built-in precision voltage reference and thermal shutdown mechanism

L7915CT

主要特徵

  • Metal-ceramic construction for high reliability
  • Epoxy-encapsulated package for moisture resistance

應用

  • Renewable energy sector
  • Security systems integration
  • Electronic gaming industry

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。

Product Category ! Linear Voltage Regulators RoHS Details
Mounting Style Through Hole Package / Case TO-3
Number of Outputs 1 Output Polarity Negative
Output Voltage - 15 V Output Current ! 500 mA
Output Type Fixed Input Voltage, Min - 23 V
Input Voltage, Max - 23 V Minimum Operating Temperature 0 C
Maximum Operating Temperature ! + 150 C Load Regulation ! 300 mV
Line Regulation ! 300 mV Series L7915
Brand STMicroelectronics Height 8.7 mm
Length 30.1 mm Product Type ! Linear Voltage Regulators
Factory Pack Quantity 100 Subcategory PMIC - Power Management ICs
Width 26.2 mm Unit Weight 0.225789 oz

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 L7915CT PDF 下載

常見問題解答

What is L7915CT?

The L7915CT is a three-terminal negative voltage regulator integrated circuit (IC) manufactured by STMicroelectronics. It is designed to provide a regulated output voltage of -15 volts with a maximum output current of 1.5A. The L7915CT is commonly used in applications requiring a stable and precise negative voltage supply, such as in industrial equipment, instrumentation, and audio amplifiers.

How Does L7915CT Work?

The L7915CT operates by regulating the input voltage to provide a constant and stable output voltage of -15 volts. It employs internal circuitry to compare the actual output voltage to a reference voltage, adjusting the output as necessary to maintain the desired -15V output. The device also includes built-in thermal shutdown and current limiting protection features to ensure safe operation.

How Many Pins does L7915CT have and What are the Functions of the Pinout Configuration?

The L7915CT is housed in a TO-220 package, which contains three leads:

  • Input (VIN): This is the input voltage pin, which typically connects to the positive supply voltage.
  • Ground (GND): This pin is connected to the ground or common reference point of the circuit.
  • Output (VOUT): The output pin provides the regulated -15V voltage to power the external circuitry.

What are the Pros and Cons of L7915CT?

Pros:

  • Stable Output: Provides a stable and precise -15V output voltage for the connected circuitry.
  • Thermal Shutdown Protection: Includes a feature that shuts down the regulator in the event of excessive heat, protecting the IC and the connected devices.
  • Current Limiting: Protects against overcurrent conditions, enhancing reliability.
  • Simple to Use: Three-terminal design simplifies the integration of the regulator into various applications.

Cons:

  • Heat Dissipation: May require a heat sink for high-power applications due to thermal considerations.
  • Efficiency: Linear regulators like the L7915CT can be less efficient compared to switching regulators, especially with high voltage differentials.

Are There Any Equivalents/Alternatives to L7915CT for Recommendation?

  • The LM7915CT from Texas Instruments is an equivalent negative voltage regulator to the L7915CT.
  • An alternative to the L7915CT is the MC7915CT from ON Semiconductor.

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