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Motore di ricerca datesheet componenti elettronici |
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LD2417600 Scheda tecnica(PDF) 4 Page - MicroPower Direct, LLC |
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LD2417600 Scheda tecnica(HTML) 4 Page - MicroPower Direct, LLC |
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4 / 4 page  MicroPower Direct We Power Your Success - For Less! 292 Page Street Ste D Stoughton, MA 02072 • TEL: (781) 344-8226 • FAX: (781) 344-8481 • E-Mail: sales@micropowerdirect.com www.micropowerdirect.com Notes: • All dimensions are typical in inches (mm) • Tolerance x.xx = ±0.02 (±0.50) • Pin 1 is marked by a “dot” or indentation on the top of the unit Mechanical Dimensions - 16 Pin DIP Analog Output Current Control Analog Output Current Control (7 - 30 VDC IN) Mechanical Dimensions - 14 Pin DIP Pin Connections - 16 Pin DIP Pin Function 1-VIN -DC Supply 9 +LED LED Anode Conn. 2-VIN -DC Supply 10 +LED LED Anode Conn. 3VADJ PWM, On/Off 15 +VIN +DC Supply 7 -LED LED Cathode Conn. 16 +VIN +DC Supply 8 -LED LED Cathode Conn. Pin Connections - 14 Pin DIP Pin Function 1-VIN -DC Supply 8 +LED LED Anode Conn. 2VADJ PWM, On/Off 14 +VIN +DC Supply 7 -LED LED Cathode Conn. In the second circuit, the input DC/DC has been changed to the F2506RU. The 4:1 input of the converter allows for wider input bus levels (in this case 24 VDC). The POL regulator is also replaced by the shunt regulator (D1). The regulator, connected in parallel with the resistor network, will maintain the voltage across R2 and R3 at 2.5 VDC, insuring that the 1.25 VDC limit on the VADJ pin will not be exceeded. When using the analog control input, the nominal output current is equal to: . II x V 125 NOM MAX ADJ = The VADJ input should be left open if not used. Grounding VADJ will shut the unit down. Connecting VADJ to directly to +VIN may damage the unit. The output current of the unit can also be set by adjusting the voltage level on the VADJ input to a value between 0.3V to 1.25V (IOUT will vary from 25% to 100% of rated output current). Care must be taken not to exceed 1.25V on this input, or the driver may be damaged. The simple analog circuit at left uses the F2506RW, a 30W, dual 15V output DC/DC converter. Operating from an input line of 12 VDC, the converter sets the input to the LED driver at 30 VDC. The POL regulator, driven off the same input line maintains the control voltage (for the VADJ input) at 5 VDC. The resister network of R1 and R2 can now be used to set the output current level of the LED driver. This level is equal to: V RR R XV 12 2 ADJ CTRL = + |
Codice articolo simile - LD2417600 |
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Descrizione simile - LD2417600 |
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