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CJ78L15 from 长电

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CJ78L15

Manufacturer: 长电

Three-terminal positive voltage regulator

Partnumber Manufacturer Quantity Availability
CJ78L15 长电 1800 In Stock

Description and Introduction

Three-terminal positive voltage regulator The **CJ78L15** is a widely used linear voltage regulator designed to provide a stable and regulated **+15V DC output** from an unregulated input voltage. As part of the **78Lxx series**, it is a low-current variant, typically delivering up to **100mA**, making it suitable for low-power applications where precise voltage regulation is required.  

This fixed-voltage regulator features built-in thermal overload protection and short-circuit prevention, enhancing its reliability in various circuits. With a compact **TO-92 or SOT-89 package**, the CJ78L15 is ideal for space-constrained designs, including small-scale electronics, sensor modules, and microcontroller-based systems.  

Key advantages include its **low dropout voltage**, minimal external component requirements, and stable performance under varying load conditions. However, like most linear regulators, it dissipates excess power as heat, so proper heat management is recommended for sustained operation.  

Common applications include **power supplies for analog circuits, audio devices, and low-power digital systems** where a steady +15V rail is necessary. Engineers often choose the CJ78L15 for its simplicity, cost-effectiveness, and dependable performance in basic voltage regulation tasks.  

For optimal results, input voltage should remain within the specified range, typically **17V to 35V**, to ensure efficient regulation without excessive power dissipation.

Partnumber Manufacturer Quantity Availability
CJ78L15 CJ 29000 In Stock

Description and Introduction

Three-terminal positive voltage regulator The CJ78L15 is a fixed positive voltage regulator manufactured by CJ (Changjiang Electronics). Here are its key specifications:

- **Output Voltage**: +15V  
- **Output Current**: Up to 100mA  
- **Input Voltage Range**: 17V to 35V  
- **Dropout Voltage**: 2V (typical)  
- **Line Regulation**: 0.04%/V (typical)  
- **Load Regulation**: 0.1%/mA (typical)  
- **Operating Temperature Range**: -40°C to +125°C  
- **Package**: TO-92  

The device includes built-in overcurrent and thermal protection.  

For exact tolerances and additional details, refer to the official CJ datasheet.

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