CJ78L08 Voltage Regulator IC 8V 3-Terminal LDO Regulator
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CJ78L08 Voltage Regulator IC 8V 3-Terminal LDO Regulator

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Highlights
  • Original, High Quality
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  • IC Name: CJ78L08
  • Output Voltage: 8V ±5%
  • Output Current: Up to 100mA
  • Input Voltage Range: 10V to 20V
  • Dropout Voltage: ~1.7V typical
  • Quiescent Current: ~5mA
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Specification

Description

CJ78L08 Voltage Regulator IC – 8V 3-Terminal LDO Regulator

The CJ78L08 is a compact 3-terminal low dropout (LDO) linear voltage regulator IC designed to provide a stable 8V output for low-power electronic applications. It can supply up to 100mA of current, making it suitable for powering logic-level components, analog sensors, and embedded systems.

Built-in thermal shutdown and overcurrent protection ensure safe operation, while its availability in both TO-92 and SOT-89 packages allows use in through-hole or surface-mount designs. The CJ78L08 offers simple integration into regulated power supply circuits for reliable performance.

Note: Add a 0.33µF input and 0.1µF output capacitor for optimal stability.

Technical Details

  • IC Name: CJ78L08
  • Type: Fixed 8V Low Dropout Voltage Regulator
  • Output Voltage: 8V ±5%
  • Output Current: Up to 100mA
  • Input Voltage Range: 10V to 20V
  • Dropout Voltage: ~1.7V typical
  • Quiescent Current: ~5mA
  • Line Regulation: Max 160mV
  • Load Regulation: Max 80mV
  • Internal Thermal Shutdown
  • Short Circuit and Overcurrent Protection
  • Package: TO-92 / SOT-89
  • Mounting Type: Through-hole / SMT
  • Operating Temperature: -40°C to +125°C

Features

  • Fixed 8V regulated output
  • Delivers up to 100mA current
  • Low power consumption
  • Internal current limiting and thermal shutdown
  • Available in TO-92 and SOT-89 packages
  • Simple 3-pin design with minimal external components
  • Ideal for logic and analog circuits

Applications

  • Logic circuit power supplies
  • Microcontroller and sensor modules
  • Battery-powered embedded systems
  • Analog electronics and low-current loads
  • DIY and educational electronics projects

Physical Attributes

  • Available Packages: TO-92 (Bulk) / SOT-89 (SMT)
  • Pin Count: 3
  • TO-92 Dimensions: ~4.5mm x 4.0mm x 5.0mm (W x D x H)
  • SOT-89 Dimensions: ~4.5mm x 2.5mm x 1.6mm
  • Mounting Type: TO-92 – Through-hole, SOT-89 – Surface Mount
  • Weight: ~0.2g (TO-92), ~0.1g

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