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LF221S Arkusz danych(PDF) 2 Page - MicroPower Direct, LLC |
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LF221S Arkusz danych(HTML) 2 Page - MicroPower Direct, LLC |
2 / 2 page Model Selection Guide Mechanical Dimensions Notes: 1. Load regulation is measured for an output change of 20% to 100%. 2. When measuring output ripple, it is recommended that an external 0.33 µF ceramic capacitor be placed from the +Vout pin to the -Vout pin. For noise sensitive applications, the use of 1.5 µF capacitors will reduce the output ripple. 3. Operation at no-load will not damage these units. However, they may not meet all specifications. 4. The converter should be connected to a low ac-impedance source. An input source with a highly inductive impedance may affect the stability of the converter. In applications where the converter output loading is high and input power is supplied over long lines, it may be necessary to use a capacitor on the input to insure start-up. In this case, it is recommended that a low ESR (ESR <1.0 at 100 kHz) capacitor be mounted close to the converter. For 5V input units a 2.2 µF is recommended, for 12V input units, a 1.0 µF and for 24V input models, a 0.47 µF. 5. It is recommended that a fuse be used on the input of a power supply for protection. See the table above for the correct rating. Notes: • All dimensions are typical in inches (mm) • Tolerance x.xx = ±0.01 (±0.25) • Pin 1 is marked by a “dot” or indentation on the unit Model Number Input Output Load Regulation (%, Max) Efficiency (%, Typ) Output Capacitive Load (µF, Max) Fuse Rating Slow-Blow (mA) Voltage (VDC) Current (mA) Voltage (VDC) Current (mA, Max) Current (mA, Min) Nominal Range Full-Load No-Load LF201S 5 4.5 - 5.5 519 60 5.0 400.0 8.0 11 77 47 1,000 LF202S 5 4.5 - 5.5 488 60 12.0 165.0 3.0 11 81 10 1,000 LF211S 12 10.8 - 13.2 213 30 5.0 400.0 8.0 8 78 47 500 LF212S 12 10.8 - 13.2 201 30 12.0 165.0 3.0 5 82 10 500 LF221S 24 21.6 - 26.4 106 15 5.0 400.0 8.0 8 78 47 200 LF222S 24 21.6 - 26.4 101 15 12.0 165.0 3.0 5 81 10 200 Pin Description 1-Vin 2+Vin 3 No Pin 4 -Vout 5 +Vout 6 No Pin 7 No Pin 8NA NA = Not for electrical connection Pin Connections Board Layout Derating Curve 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 |
Podobny numer części - LF221S |
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Podobny opis - LF221S |
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