The LODESTAR 20V 2A is a high-precision, linear DC power supply designed for professional lab work, electronics repair, and educational purposes. It provides a stable, regulated DC output that is fully adjustable, allowing for precise control over both voltage and current. Known for its low ripple and noise characteristics, this bench power supply is ideal for powering sensitive electronic circuits, testing mobile phone components, and charging various battery types. The robust build and clear analog or digital meters (depending on the specific series model) ensure reliable performance during long-term operation.

Specifications

• Input Voltage: AC 220V +/- 10PHz/60Hz
• Output Voltage: 0V to 20V DC (Continuously adjustable)<button></button>
• Output Current: 0A to 2A (Continuously adjustable)
• Line Regulation:
  • CV <= 0.01% + 1mV
  • CC <= 0.2% + 1mA
• Load Regulation:
  • CV <= 0.01% + 2mV
  • CC <= 0.2% + 3mA
• Ripple and Noise:
  • CV <= 0.5mV RMS
  • CC <= 3mA RMS
• Protection:
  • Current limiting protection
  • Short circuit protection
  • Over-temperature protection
• Display Accuracy: +/- 1% + 2 digits

Features

• High Stability: Linear regulation design ensures extremely low noise and ripple, making it safe for delicate semiconductor testing.
• Dual Adjustment: Independent coarse and fine adjustment knobs for both voltage and current allow for high-precision settings.
• Continuous Duty Cycle: Designed for long-duration operation at full load without overheating.
• Safety First: Built-in protection circuits automatically engage during short circuits or current overloads to prevent damage to the connected device.
• Common Applications:
  • Mobile phone and laptop motherboard repair
  • Scientific research and laboratory experiments
  • Product aging tests and quality control
  • DIY electronics prototyping and sensor testing