DCS20-50E

The Sorensen DCS20-50E is a high-performance, 1000W switch-mode programmable DC power supply. Designed for ATE system integration, laboratory, and OEM applications, it offers a 0-20V, 0-50A output in a compact 1U rackmount chassis, combining low noise, excellent regulation, and diverse control options.

Automated Test Equipment DC Power Supply Programmable Power Supply

Specifications

General

Parameter	Value
Interfaces	Analog (standard); GPIB, RS-232, LXI/Ethernet (optional)
Display	Dual 3.5-digit LED displays for voltage and current

Physical

Parameter	Value
Power Supply	85 - 264 VAC (operating), 47 - 63 Hz, single-phase
Operating Temperature	0 to 50 °C
Dimensions (W×H×D)	482.6 × 44.4 × 444.5 mm
Weight	8.6
Form Factor	1U Rackmount

Output Specifications

Parameter	Value
Rated Output Voltage Range	0 - 20 VDC
Rated Output Current Range	0 - 50 A
Maximum Output Power	1000 W
Voltage Ripple and Noise (RMS)	10 mV
Voltage Ripple and Noise (Peak-to-Peak)	75 mV
Current Ripple and Noise (RMS)	25 mA
Line Regulation (Voltage)	0.01% of maximum output voltage
Load Regulation (Voltage)	0.01% of maximum output voltage
Line Regulation (Current)	0.05% of max current
Load Regulation (Current)	0.1% of max current
Transient Recovery Time	< 1 ms for a 50% to 100% load change to within 1% of nominal output voltage
Temperature Coefficient (Voltage)	0.02% of max voltage per °C
Temperature Coefficient (Current)	0.03% of max current per °C
Maximum Remote Sense Compensation	1 V per line

AC Input Specifications

Parameter	Value
Power Factor	0.99 typical at full load

Protection and Diagnostics

Parameter	Value
Over Voltage Protection (OVP) Range	2 - 22 VDC
Output Isolation Voltage (to Chassis)	125 VDC

Control and Interface

Parameter	Value
Remote Shutdown	TTL compatible input or contact closure

Environmental

Parameter	Value
Cooling	Forced air, internal fan
Storage Temperature Range	-40°C to +85°C
Operating Humidity	0% to 90% RH (non-condensing)
Storage Humidity	0% to 95% RH (non-condensing)
Maximum Operating Altitude	2000 m (6500 ft)

Performance

Parameter	Value
Efficiency	72% (typical at full load)
Output Stability (8 hours)	0.05% of maximum rating
Voltage Programming Linearity	0.1% of maximum rated output voltage
Current Programming Linearity	0.1% of maximum rated output current
Voltage Monitor Linearity	0.1% of maximum rated output voltage
Current Monitor Linearity	0.1% of maximum rated output current
Warm-up Time	30 minutes

Electrical Input

Parameter	Value
AC Input Frequency Range	47 - 63 Hz
AC Input Current	12 A RMS @ 115 VAC / 6 A RMS @ 230 VAC (typical at full load)

Control & Programming

Parameter	Value
Analog Programming Input Ranges	0-5 V / 0-10 V (selectable) or 0-5 kΩ / 0-10 kΩ (selectable) for 0-100% of output
Analog Monitor Output Ranges	0-5 V / 0-10 V (selectable) for 0-100% of output
Current Limit Adjustment	0% to 100% of rated current

Operation

Parameter	Value
Series Operation	Up to 2 identical units (up to 150 V maximum total output)
Parallel Operation	Up to 5 identical units in master-slave configuration

Protection

Parameter	Value
OVP Shutdown Time	<10 ms
Over Temperature Protection	Heatsink over-temperature shutdown with automatic recovery

Standards & Compliance

Parameter	Value
Regulatory Compliance	CE Mark (LVD & EMC Directive), FCC Class A

Connections

Parameter	Value
Rear Panel AC Input Connector	3-terminal barrier strip
Rear Panel DC Output Connector	Nickel-plated copper bus bars

User Interface

Parameter	Value
Voltage Adjustment	10-turn potentiometer
Current Adjustment	10-turn potentiometer

Technology

Switch-mode programmable DC power supply

Applications

ATE system integration, laboratory testing, OEM power, product design verification

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