BASIC OPERATION
57
Conditions
To protect the high-speed power supply when
operating as a current sink, the following two
conditions must be met:
1.
Ensure that the voltage of the external power
supply is greater than the output of the high-
speed power supply voltage by 0.3V~2.5V. The
voltage difference depends on the high-speed
power supply voltage output and the load
conditions.
2.
To ensure that the high-speed power supply
output voltage is within the range of 0~5V, the
current draw cannot exceed 2A. For output
voltgages between 5V~15V, the current draw
must be reduced by 0.1A for each 1V increase
over 5V. See the formula in the table below for
the details.
High-speed Power Supply
Output Voltage
Maximum Dissipation
Current
0~5V
2A
5V~15V
2A-((0.1A/V)*(output
voltage - 5V))
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