Mixed mode with linear final regulation

Single, dual and triple output models

Current up to 20A, power up to 420W

Constant voltage or constant current

4 digit meters with 10mV and 1mA (or 10mA) resolution

Switchable remote sense terminals for perfect regulation
   at the load

Silent fan-free cooling (not EX202R/4210R)

DC output switch enables voltage/current setup without
   the load connected

Safety terminals accept fixed shroud 4mm plugs plus
   forks and wires

EX354RT has auxiliary output of 1.5V to 5V at 5A

TECHNICAL SPECIFICATIONS

OUTPUT

Voltage/Current Ranges

• EX355R - 0 to >35V; 0 to >5A (175W nominal power)
• EX1810R - 0 to >18V; 0 to >10A (180W nominal power)
• EX2020R - 0 to >20V; 0 to >20A (400W nominal power)
• EX4210R - 0 to >42V; 0 to >10A (420W nominal power)
• EX354RD - 2 x (0 to >35V; 0 to >4A) (280W nominal power)
• EX354RT - 2 x (0 to >35V; 0 to >4A) plus <1.5 to >5.0V @ 5A (305W nominal power)

Output Setting & Control

Voltage Setting: By coarse and fine controls.

Current Setting: By single logarithmic control.

Output Mode: Constant voltage or constant current with automatic cross-over. CC indicator in constant current mode.

Output Switch: Electronic, non isolating. Preset voltage and current limit displayed when Output off.

Output Performance

Ripple & Noise: Typically <2mV rms, <10mV pk-pk, (EX355R, EX354RD, EX354RT)  CV mode, 20MHz bandwidth
.                       Typically <2mV rms, <20mV pk-pk (EX1810R, EX2020R, EX4210R)

Load Regulation: <0.01% of maximum output for a 90% load change (using remote sense).

Line Regulation: <0.01% of maximum output for 10% line change.

Transient Response: <200us to within 50mV of setting for a 5% to 95% load change.

Temp. Coefficient: Voltage: typically <100ppm/oC.

Output Protection

Output Protection: Outputs will withstand forward voltages up to 40V (EX355R, EX354RD,& EX354RT); 22V (EX1810R); 25V (EX2020R); 48V (EX4210R). Reverse protection by diode clamp for currents to 3A.

Output Connections

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