LPS 505N Programmable DC Power Supply User’s Manual
Motech LPS 505N is a programmable DC power supply with three (3) outputs that channel 1 and channel 2 are linear power supply and channel 3 is a switching mode power supply. LPS 505N comes with 12 bits resolution. The maximum total output power is 222 watts with both channel 1 and channel 2 providing 96 watts each (0 32V/3A) and channel 3 providing 30 watts (0 15V/5A). For the channel 3, the maximum output power is 30 watts. When the output voltage is set to 6 volts or less, the output current can be up to 5A. If the output voltage is set above 6 volts then the maximum output current depends on the output voltage setting and the maximum output power of 30 watts.
This is a unique feature and it differs from other traditional power supplies. For the channel 1 and channel 2, they can be put in parallel mode if the output current is required to drive more than 3A. Also, they can be put in serial mode if the output voltage is required to provide more than 32V. Tracking function is a convenient feature that is also provided to meet general applications. The LPS 505N has a rotary and numeric keypads for user to manipulate this electronic instrument easily. The LPS 505N provides a memory space enough to store 100 configurations that can be recalled later after saving.
This feature offers an easy way to restore the application setting. There is a build-in timer (1 sec100 hrs) that can be used to control when to switch off the output power. This feature provides an extra safety for burning room and electroplating applications. The LPS 505N also provides over voltage protection (OVP) and over current protection (OCP) features used to keep the output voltage and current within the safety level preventing the target from the damage caused by the over current. The key lock feature is added to avoid accidentally wrong setting to the LPS 505N. When the input power and the load change, the LPS 505N provides a stable output with the load and line regulation within 0.01% and the transient time less than 50 us. When in remote mode, the LPS 505N may output a new setting in 50 ms after receive a command. This quick response time may increase the throughput on the mass production lines.
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