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New models added to PSW Series



GW INSTEK HAS EXPANDED THE PSW SERIES WITH THE ADDITION OF THREE NEW MODELS:

PSW 160-7.2 360W

PSW 160-14.4 720W

PSW 160-21.6 1080W

SPECIFICATIONS BELOW:

The PSW-Series is a single output multi-range programmable switching DC Power Supply coverring a power range up to 1080W. This series of products include six models with the combination of 30V and 80V rated voltages and 360W, 720W and 1080W maximum output powers. The multi-range. The multi-range feature allows the flexible and efficient configuration of voltage and current within the rated power range. As the PSW-Series can be connedcted in series for maximum 2 units or in parallel for maximum 3 units, the capability of connecting multiple PSW-Series significantly reduces the user's investment for various power supply products to accommodate the projects with different power requirements.

The C.V/C.C priority selection of the PSW-Series is a very useful feature for DUT protection. The conventional power supply normally operates under C.V mode when the power output is turned on. This could bring a high inrush current to the capactive load or current-intensive load at the power output-on stage. Taking the I-V curve verification of LED as an example, it becomes a very challenging task to perform this measurement using a conventional power supply. With LED connected to a power supply under C.V mode as the initial settin, when the power output is turned on the the voltages rises to the LED forward voltage the current will suddenly peak up and exceed the preset value of current limit. Upon detecting this high current, the power supply starts the transition from C.V mode to C.C mode. Though the current becomes stable after the C.C mode is activated, the current spike occured ad the C.V and C.C crossover point may possibly damage the DUT. At the power output-on stage, the PSW-Series is able to run under C.C priority to limit the current spike occurred at the threshold voltage and therefore protects DUT from the inrush current damage.

The adjustable slew rate of the PSW-Series allows user to set for either output voltage or output current a specific rise time at the low to high level transition, and a specific fall time at the high to low level transition. This facilitates the characteristic verification of a DUT during voltage or current level changes with controllagle slew rates. The manufacturing tests of lighting device of large capacitance capacitor during power output-on are mostly associated with the occurrence of high surge current, which can greatly reduce the life time of the DUT. To prevent inrush current from damaging current-t intensive devices, a smooth and slow voltage transition during power On-Off can significantly reduce the spike current and protect the device from high current damage.

The OVP and the OCP protections are provided with the PSW-Series. Both OVP and OCP levels can be selected within the range of 10% to 110%, with default level set at 110%, of the rated voltage/current of the power supply. When any of the protection levels is tripped, the power output will be switched off to protect the DUT. The PSW-Series provides USB Host/Device and LAN interfaces as standard and GPIB-USB adaptors as optional. An analog control/monitoring connector is also available at the rear panel for external control of power On/Off and external monitoring of power output Voltage and Current .

 

Specifications
  PSW-30-36 PSW 30-72 PSW 30-108 PSW 80-13.5 PSW 80-27 PSW 80-40.5 PSW 160-7.2 PSW 14.4 PSW 160-21.6
Output Rating
Voltage
Current
Power
0~30V
0~36A
360W
0~30V
0~72A
720W
0~30V
0~108A
1080W
0~80V
0~13.5A
360W
0~80V
0~27A
720W
0~80V
0~40.5A
1080W
0~160V
0~7.2A
360W
0~160V
0~14.4A
720W
0~160V
0~21.6A
1080W
Regulation(CV)
Load
Line
0.05% of rating +5mV
0.05% of rating +3mV
Regulation(CC)
Load
Line
0.01% of rating +5mA
0.01% of rating +5mA
Ripple & Noise (Noise Bandwidth 20MHz; Ripple Bandwidth=1MHz)

CV p-p
CV rms
CC rms

60mV
7mV
72mA
80mV
11mV
144mA
100mV
14mV
216mA
60mV
7mV
27mA
80mV
11mV
54mA
100mV
14mV
81mA
60mV
12mV
15mA
150mV
7mV
30mA
100mV
20mV
45mA
Programming Accuracy
Voltage
Current
0.05%+10mV
0.1%+30mA
0.05%+10mV
0.1%+60mA
0.1%+10mV
0.1%+100mA
0.05%+10mV
0.1%+30mA
0.1%+10mV
0.1%+30mA
0.1%+10mV
0.1%+40mA
0.1%+10mV
0.1%+5mA
0.1%+10mV
0.1%+15mA
0.1%+10mV
0.1%+20mA
Readback Accuracy
Voltage
Current
0.1%+10mV
0.1%+30mA
0.1%+60mV
0.1%+30mA
0.1%+10mV
0.1%+100mA
0.1%+10mV
0.1%+10mA
0.1%+10mV
0.1%+30mA
0.1%+10mV
0.1%+40mA
0.1%+20mV
0.1%+5mA
0.1%+10mV
0.1%+15mA
0.1%+10mV
0.1%+20mA
Response Time

Raise Time
Fall Time(Full Load)
Fall Time(No Load)
Load Transient
Recover Time
(load change from 50~100%)

50ms
50ms
500ms
1ms

50ms
50ms
500ms
1ms

50ms
50ms
500ms
1ms
50ms
50ms
500ms
1ms
50ms
50ms
500ms
1ms
50ms
50ms
500ms
1ms
100ms
100ms
1000ms
2ms
100ms
100ms
1000ms
2ms
100ms
100ms
1000ms
2ms
Programming Resolution (By PC Remote Control Mode)
Voltage
Current
1mV
1mA
1mV
2mA
1mV
3mA
1mV
1mA
1mV
2mA
1mV
3mA
3mV
1mA
3mV
2mA
3mV
3mA
Measurement Resolution (By PC Remote Control Mode)
Voltage
Current
1mV
1mA
1mV
2mA
1mV
3mA
1mV
1mA
1mV
2mA
1mV
3mA
3mV
1mA
3mV
2mA
3mV
3mA
Series And Parallel Capability
Parallel Operation
Series Operation
Up to 3 units including the master unit
Up to 2 units including the master unit
Protection Function
OVP
OCP
OHP
10% to 110% of rated voltage range
10% to 110% of rated current range
Activated by elecated internal temperatures
Front Panel Display Accuracy
Voltage
Current
0.1%±2digits
0.1%±4digits
0.1%±2digits
0.1%±7digits
0.1%±2digits
0.1%±1digits
0.1%±2digits
0.1%±2digits
0.1%±2digits
0.1%±4digits
0.1%±2digits
0.1%±5digits
0.1%±1digits
0.1%±5digits
0.1%±1digits
0.1%±3digits
0.1%±1digits
0.1%±3digits
Environment Condition
Operation Temp
Storage Temp
Operating Humidity
Storage Humidity

0°C ~ 50°C
-25°C ~70°C
20% ~ 85% RH
90% RH or Less

Read Back Temp Wefficient
Voltage
Current
100ppm/°C
200ppm/°C
Other
Analog Control
Interface
Fan
Power Source

Dimensions
&Weight
Yes
USB/LAN/GPIB(Option)
With thermal sensing control
85VAC-265VAC, 50/60Hz, single phase
71(W)x124(H)
x350(D) mm;
Approx. 3kg
142.5(W)x124(H)
x350(D) mm;
Approx. 5kg
214(W)x124(H)
x350(D) mm;
Approx. 7kg
71(W)x124(H)
x350(D) mm;
Approx. 3kg
142.5(W)x124(H)
x350(D) mm;
Approx. 5kg
214(W)x124(H)
x350(D) mm;
Approx. 7kg
71(W)x124(H)
x350(D) mm;
Approx. 3kg
142.5(W)x124(H)
x350(D) mm;
Approx. 5kg
214(W)x124(H)
x350(D) mm;
Approx. 7kg