Product Introduction

The PS48401 is a Programmable DC Power supply in a 2-slot PXI / cPCI form factor. Featuring a fully isolated output capable of providing 0-48 VDC / 2 A / 40 W. It offers a programmable current limit and the ability to measure the output voltage and current under software or trigger control.

Special Functions

• Measure output voltage or current, software controlled. • Measure output voltage or current, external trigger controlled. • Update output voltage and current limit, external trigger controlled. • Sequence above functions and store measured values into on-board memory

Key Features

• 0-48 VDC / 2 A / 40 W max. • Isolated output • No external power source required • High accuracy / low noise output voltage • Programmable Current Limit • 16 Bit Read Back of Output Voltage / Current • 2-slot width, PXI / cPCI Instrument • Programmable sequencer • .NET, LabVIEW and LabWindows/CVI (VXIplug&play compatible) drivers included • Soft Front Panel included

Technical Specifications

Output Voltage	0 to 48 V
Voltage setting resolution	0.74 mV
Voltage setting accuracy	±0.2 % of programmed value ±25 mV
Load regulation	0.1 % of programmed value + 5 mV (10 to 90 % load change)
Output current	2 A max. above 20 V lineary de-rating to 0.8 A (40 W max.)
Current limit resolution	35 µA
Current limit accuracy	0.5 % of programmed value ±10 mA
Sense line regulation area	0.5 V (sum of both sense lines)
Output ripple (typical)	1.5 mVrms, 6 mVpp (Full load, BW = DC - 1 MHz)
Voltage Read back resolution	0.74 mV
Voltage Read back accuracy	±0.1 %reading ±10 mV
Current read back resolution	35 µA
Current read back accuracy	±0.2 % reading ±5 mA
Memory Depth	16 k
Rise time	1 Volt/ms (typical at full load)
Trigger input	Floating opto-coupler input (220 Ohm in series with a diode)
Trigger level	4.0 V - 12 V (approx. 10 mA - 50 mA)
Minimum trigger pulse low / high time	20 µs
Maximum sequencing frequency	10 kHz
Sequence memory depth	16384 readings
Voltage to chassis (any pin)	60 VDC (safety limit, design breakdown voltage > 250 VDC)
Insulation resistance	> 100 MOhm
Backplane 5 V under voltage lockout	4.65 V
Backplane 12 V under volt. lockout	11.3 V
Operating temperature	0 °C to 50 °C