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規格
| 屬性 | 價值 |
| Manufacturer | Jiangsu Changjing Electronics Technology Co., Ltd. |
| Package | SOT-89-3 |
| Operating Temperature | 0℃~+150℃@(Tj) |
| Voltage - Supply | 35V |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Output Current | 100mA |
| Voltage Dropout | 1.7V@(40mA) |
| Power Supply Rejection Ratio (PSRR) | 42dB@(120Hz) |
| Output Voltage | 12V |
| Output Configuration | Positive electrode |
| standby current | 4.3mA |
概述
Description
The CJ78L12 is a fixed positive voltage regulator that provides a stable +12V output with a maximum current of 100mA. It's part of the 78Lxx series, designed for low-power applications.
### Key Features:
- Input Voltage Range: Up to 35V
- Output Voltage: +12V ±5%
- Low Quiescent Current
- Built-in Overcurrent & Thermal Protection
### Typical Applications:
- Low-power circuits
- Sensor modules
- Battery-powered devices
### Package Options:
Available in TO-92, SOT-89, or similar small packages.
For higher currents, consider the 7812 (up to 1A). Always check the datasheet for exact specifications.
### Key Features:
- Input Voltage Range: Up to 35V
- Output Voltage: +12V ±5%
- Low Quiescent Current
- Built-in Overcurrent & Thermal Protection
### Typical Applications:
- Low-power circuits
- Sensor modules
- Battery-powered devices
### Package Options:
Available in TO-92, SOT-89, or similar small packages.
For higher currents, consider the 7812 (up to 1A). Always check the datasheet for exact specifications.
Manufacturer
The CJ78L12 is a voltage regulator IC, and its manufacturer is Texas Instruments (TI).
Texas Instruments is a leading American semiconductor company specializing in analog and digital ICs, embedded processors, and other electronic components. Founded in 1930, TI is known for its high-quality power management, signal processing, and microcontroller solutions, serving industries like automotive, industrial, and consumer electronics.
The CJ78L12 is part of TI’s legacy linear regulator lineup, providing fixed +12V output with low dropout. While newer alternatives exist, this IC remains reliable for basic voltage regulation.
Texas Instruments is a leading American semiconductor company specializing in analog and digital ICs, embedded processors, and other electronic components. Founded in 1930, TI is known for its high-quality power management, signal processing, and microcontroller solutions, serving industries like automotive, industrial, and consumer electronics.
The CJ78L12 is part of TI’s legacy linear regulator lineup, providing fixed +12V output with low dropout. While newer alternatives exist, this IC remains reliable for basic voltage regulation.
Package
The CJ78L12 is a voltage regulator IC available in a TO-92 package, commonly used for low-power applications. It provides a fixed +12V output with a maximum current of 100mA. The TO-92 package is compact, through-hole mountable, and suitable for prototyping or small-scale circuits. Other variants (e.g., 78L12) may also come in SOT-89 or SOIC packages for surface-mount designs.
