The HP 6552A is a 500 W linear DC power supply delivering 0–20 V and 0–25 A output, engineered for automated test systems and benchtop measurement applications. It operates in both constant voltage and constant current modes with automatic crossover, maintaining stable delivery across varying loads. Fast programming response and exceptionally low output noise—300 µV RMS and 3 mV peak-to-peak—enable precise measurements and accelerated test cycles. Remote sensing compensates for voltage drop in load leads, while fan-speed control minimizes acoustic noise during operation.
– Technical Specifications
Output Characteristics
• Single output: 0–20 V, 0–25 A at 40 °C
• Maximum output: 22.5 A at 50 °C; 21.3 A at 55 °C
• Total power: 500 W
• Voltage ripple & noise (20 Hz–20 MHz): 300 µV RMS, 3 mV peak-to-peak
• Current noise: 10 mA RMS
Regulation & Accuracy (25 °C ±5 °C)
• Voltage programming: ±0.06% + 10 mV
• Current programming: ±0.15% + 25 mA
• Load regulation: 4 mV
• Line regulation: 1 mV
Dynamic Performance
• Transient recovery: <100 µs to within 0.1% of rating or 20 mV (whichever is greater)
• Programming response rise/fall time (10/90%): <15 ms
• Voltage settling (1 LSB): <60 ms
– Key Features
• Automatic CV/CC crossover ensures seamless mode transition under load changes
• Fast crowbar and over-voltage protection safeguard test circuits
• Remote sensing for precision measurement at load terminals
• Fan-speed control reduces operational noise
• Front-panel and analog programming interfaces
• Multiple AC input options: 87–106 VAC, 191–233 VAC, 209–250 VAC, 200–400 VAC
– Typical Applications
• Component and subsystem characterization
• Automated production testing
• Low-noise measurement bench work
• Load regulation and transient response testing
– Compatibility & Integration
Front-panel potentiometers and analog control inputs provide direct programming. GPIB interface is not available on this model.
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