The Sorensen LH 75-5 is a benchtop linear DC power supply engineered for laboratory testing, component evaluation, and quality control. It delivers precise voltage and current regulation with low noise output, serving as a stable, dependable source for demanding test environments. Operating in both constant voltage and constant current modes with automatic crossover, the LH 75-5 provides 375 W of output power across a 0–75 VDC range at 0–5 ADC.
Technical Specifications
• Output: 0–75 VDC, 0–5 ADC (375 W)
• Voltage Regulation: <0.01% + 5 mV
• Output Display: Dual 3½-digit LED meters (voltage and current)
• AC Input: Externally switch-selectable 100 V / 120 V / 220 V / 240 V, 50/60 Hz
• Operating Modes: Constant Voltage and Constant Current with automatic mode switching
• Mode Indication: Front panel LEDs show active operating mode
– Key Features
• Dual LED displays provide real-time voltage and current monitoring at ½-digit resolution
• Automatic CV/CC crossover eliminates manual mode selection
• Front panel voltage and current adjustment controls enable precise output tuning
• Input voltage selection accommodates global AC supply standards without external adapters
• Low-noise output suitable for sensitive analog and RF circuit testing
– Typical Applications
• Component characterization and qualification testing
• Bench-level circuit development and validation
• Power supply testing and burn-in procedures
• Precision analog circuit biasing and optimization
– Compatibility & Integration
The LH 75-5 is part of the Sorensen L Series, which includes fourteen models spanning 0–8 VDC to 0–300 VDC with power outputs from 90 W to 375 W. Multiple LH Series units can be connected in series to extend output voltage range. The LH Series encompasses models LH 8-30, LH 18-20, LH 35-10, LH 60-6, LH 75-5, LJH-110-3, and LH 300-1, all sharing compatible manual documentation and control methodologies.
