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9172 Datasheet(PDF) 4 Page - List of Unclassifed Manufacturers |
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9172 Datasheet(HTML) 4 Page - List of Unclassifed Manufacturers |
4 / 6 page www.bkprecision.com Programmable Dual-Range DC Power Supplies 9170 & 9180 series 4 * Low current mode for high voltage models 9184 and 9185 only. LED mode With LED mode active, inrush current will be eliminated or minimized to protect the UUT. Low current mode* This unique function enables the power supply to minimize the voltage rise time in a controlled manner. This mode is used when operating at a low current (< 1 A) and quick transitions from a high-to-low or low-to-high voltage are needed. To address the growing LED market, the 9170/9180 series design incorporates special LED test modes for efficient and safe electrical tests of LED panels. Powering LEDs with conventional power supplies will potentially cause permanent damage to the UUT or limit its lifespan due to excessive inrush current at power up and the non-linear characteristics of the LED’s I-V curve. These power supplies feature two distinct operating modes suitable for LED testing in a manufacturing or R&D environment and other special applications requiring a controlled rise time at power up without generating any inrush current. Example LED test setup Low current mode OFF Low current mode ON Current flow during power up with LED mode enabled 9170/9180 Series Operating Range Voltage rise time with and without low current mode enabled Inrush current Output ON 20 ms 5 ms Output ON Test modes for LED and other special applications LED mode OFF LED mode ON The 9170/9180 series provide a unique dual range feature that offers the best of both worlds by supplying two different ranges. Users can select between high and low range operation for either more voltage or more current depending on your application, avoiding the higher cost of buying more power than necessary. Two power supplies in one |
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