The Power Designs TP325 is a triple-output laboratory power supply engineered for precision digital and analog circuit development and testing. It delivers three independent voltage rails with exceptional regulation and low noise, supporting simultaneous operation across all outputs at full capacity without performance degradation.
Technical Specifications
Output Configuration
• Output 1: 0–32 VDC, 0–1 A
• Output 2: 0–32 VDC, 0–1 A
• Output 3: 0–6 VDC, 0–5 A
• Total Power Capacity: 94 VA
Regulation & Stability
Load regulation is exceptionally tight: 0.01% + 1 mV on the 32 V outputs and 0.02% + 3 mV on the 6 V output. Line regulation achieves 0.01% + 0.5 mV across 32 V channels. Long-term stability over 24 hours measures 0.02% + 3 mV. Recovery time from 10–100% load transients is 50 µS, settling within 15 mV of nominal on the 32 V outputs.
Noise & Source Impedance
All outputs maintain noise and ripple below 1.0 mV RMS. Source impedance stays under 1.0 Ω to 1 MHz, ensuring clean power delivery to sensitive analog circuits.
Temperature Performance
Temperature coefficient: 0.02% + 300 µV/°C across all outputs. The 0–6 V output is adjustable from 2.5–8 V.
Protection & Control
Adjustable current limiting on each output spans 10–105% of rated current. Overvoltage crowbars protect the 32 V outputs with user-adjustable thresholds. Fault indicator lamps signal overload, short circuit, or crowbar activation.
– Key Features
• 10-turn potentiometers with 0.05% resolution enable precise voltage adjustment
• Automatic voltage tracking of the two 32 V outputs to within 0.1% with locking lever
• Series operation capability: combine 32 V outputs for 6–64 VDC
• Floating outputs (except internal 32 V source interconnect)
• Dual-range volt/ammeter with selectable voltage or current metering
• Binding post terminals for all outputs
– Typical Applications
Power the TP325 for circuit characterization, board bring-up, subsystem validation, and prototype development across analog, digital, and mixed-signal designs.
– Compatibility & Integration
Input: 105–129 VAC, 55–440 Hz (200 W). Dimensions: 8.75″ H × 7.75″ W × 13.25″ D. Weight: 20 lbs. Natural anodized aluminum panels with blue vinyl cabinet and carrying handle.
