Digital Linear Power Supplies - Discontinued

PSU300 Series Discontinued

12-Bit D/A Converter
2 x 16 Dot-Matrix Backlit LCD; Voltage and Current are Displayed Simultaneously
Software Calibration
Sophisticated Cooling System
RS232 Output
Beeper-Overload Warning and Status Change Indication
Up/Down Key for Easy Setting
Numeric Keyboard for Direct Setting (PSU305 Only)
Single Channel, Dual Range
Auto-Ranging (PSU301, PSU302 Only)
Three Channels- 2 Adjustable and 1 Fixed Output: 5 V or 3.3 V (PSU304, PSU305 Only)

Description

The PSU300 Series has been discontinued. Please see the PSU505 as a possible substitute.

The PSU300 Series comprises power supplies with voltages from -30 to 30 Vdc, power levels from 30 to 165 W, and constant current from 0 to 3 A. Standard features include RS232 communications output, LCD, sophisticated cooling system, and software calibration.

SPECIFICATIONS

Model	PSU301		PSU302		PSU303	PSU304	PPSU305
Max Output Power	30 W		60 W		90 W	70 W	165 W
Output Voltage	HIGH	LOW	HIGH	LOW
Output Voltage	0 to 15 V	0 to 30 V	0 to 15 V	0 to 30 V	0 to 30 V	0 to 30 V/ 0 to -30 V fixed 5 V	0 to -30 V fixed 3.3 V/5 V
Setting Resolution	10 mV	10 mV	10 mV	10 mV	10 mV	10 mV	10 mV
Max Output Voltage	16 V	32 V	16 V	32 V	32 V	32/-32 V	32/-32 V
Dual Tracking	—	—	—	—	—	0 to ±30 V	0 to ±30 V
Tracking Deviation	—	—	—	—	—	±20 mV	±20 mV
Output Current	0 to 2 A	0 to 1 A	0 to 4 A	0 to 2 A	0 to 2.5 A	0 to 1 A/ 0 to -1 A 2 A	0 to 2.5 A/ 0 to -2.5 A 3 A
Setting Resolution	1 mA	1 mA	1 mA	1 mA/td>	1 mA	1 mA	1 mA
Tracking Deviation	2.4 A	1.2 A	4.4 A	2.4 A	3A	1.2 A/-1.2 A CL = 2.2 A	3 A/-3 A CL = 3.3 A
Dual Tracking	—		—		—	0 to ±1 A	0 to ±2.5 A
Tracking Deviation	—		—		—	±2 mA	±5 mA
Constant Voltage Characteristics (at rated outputs)
Line Regulation (10% AC)	—		1 mV		—	1 mV 5 mV	1 mV 5 mV
Load Regulation (100% Load Change)	—		2 mV		—	2 mV 10 mV	2 mV 10 mV
Ripple/Noise rms (10 Hz to 20 mHz)	—		0.5 mVrms		1.5 mVrms	1.5 mVrms 2 mVrms	2 mVrms
Ripple/Noise Peak (10 Hz to 20 MHz)	—		5 mV p-p		—	10 mV p-p 20 mV p-p	10 mV p-p 20 mV p-p
Transient Response	—		200 µs typical		—	200 µs typical	200 µs typical
Temp Coefficient	—		—		—	100 ppm/°C typical	±5 mA
Constant Current Characteristics (at rated outputs)
Line Regulation (10% AC)	—		5 mA typical		—	15 mA typical	15 mA typical
Load Regulation (100% Load Change)	—		5 mA typical		—	10 mA typical	10 mA typical
Ripple/Noise rms (10 Hz to 20 mHz)	—		1 mA rms typical		—	1 mA rms typical	1 mA rms typical
Ripple/Noise Peak (10 Hz to 20 MHz)	—		5 mA p-p typical		10 mA p-p typical	5 mA p-p typical	5 mA p-p typical
Temp Coefficient	—		—		—	200 ppm typical	—
Display	16 character x 2 line backlit LCD; front-panel status indicator with beeper
Voltage Accuracy*	±0.2% rdg + 2 digits
Display	±0.5% rdg + 5 digits
Display	±240 Vdc
Temp Range	Operating: 0 to 40ºC (32 to 104ºF), less than 80% RH; Storage: -45 to 75ºC (-49 to 167ºF), less than 80% RH
Dimensions (W x H x L)	221 x 86 x 300 mm (8.7 x 3.4 x 11.8")						213 x 132 x 399 mm (8.4 x 5.2 x 15.7")
Temp Range	Approx. 4.5 kg (10 lb)		Approx. 4.5 kg (12 lb)				Approx. 8.2 kg (18 lb)
Cooling	Forced air
RS232 Interface	Standard, port configuration: asynchronous 2400 baud, 8 data bits, 1 stop bit, no parity
RS232C DCE Interface	9-pin D-sub connector
Power 115 Vac ±	47 to 63 Hz, 1 A, approx. 250 W		47 to 63 Hz, 2 A, approx. 120 W		47 to 63 Hz, 2 A, approx. 150 W	47 to 63 Hz, 2 A, approx. 110 W	47 to 63 Hz, 2 A, approx. 250 W