The TDK-Lambda GEN 300-2.5 is a 750 W programmable DC power supply engineered for industrial, laboratory, and OEM applications demanding high precision and reliability. This single-phase unit delivers 0 to 300 Vdc output with 0 to 2.5 A current capability, supported by active power factor correction (0.99 typical) and 87% typical efficiency. Voltage ripple noise measures 0.025 Vrms and current ripple noise 0.013 Arms across the 5 Hz to 1 MHz bandwidth.
## Technical Specifications
**Input & Power Delivery**
• Single-phase AC input: 85–265 VAC, 47–63 Hz
• Output voltage range: 0–300 Vdc
• Output current range: 0–2.5 A (750 W rated)
• Voltage ripple/noise: 0.025 Vrms (5 Hz–1 MHz)
• Current ripple/noise: 0.013 Arms (5 Hz–1 MHz)
**Control & Monitoring**
• Front-panel encoders with coarse/fine adjustment modes
• 4-digit LED displays for voltage and current
• 16-bit ADC/DAC resolution
• Adjustable over-voltage protection and under-voltage limit
• Current foldback control
• Remote ON/OFF and enable/disable functions
• Last setting memory (non-volatile)
• Local/remote mode selection with front-panel lock
**Communications & Programming**
• Standard: RS-232, RS-485
• Optional: LAN (LXI), USB, GPIB (IEEE 488.2 SCPI)
• Isolated analog control: 0–5 V, 0–10 V, or 4–20 mA voltage/current options
• Remote voltage sense connections
• DIP switches for interface configuration
• DB25 connector for non-isolated analog programming
**Parallel Operation**
• Up to four units support active current sharing
• Master unit programs and monitors total group current
## Key Features
• 1U rack-mount form factor: 422.8 mm × 43.6 mm × 432.8 mm; 7000 g
• Auto-start/safe-start mode selection
• Rugged busbars (≤60 V) or terminal block (>60 V) output connections
• IEC320 AC input connector
## Typical Applications
High-precision DC sourcing for automated test systems, component characterization, power conversion research, and distributed OEM integration across multiple coordinated units.


















