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LF712RW Datasheet(PDF) 2 Page - MicroPower Direct, LLC |
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LF712RW Datasheet(HTML) 2 Page - MicroPower Direct, LLC |
2 / 2 page Model Selection Guide Mechanical Dimensions 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 Pin Connections Board Layout Notes: 1. When measuring output ripple, it is recommended that an external 0.47 μF ceramic capacitor be placed from the +Vout pin to the -Vout pin for single output units and from each output to common for dual output units. For noise sensitive applications, the use of 3.3 μF capacitors will reduce the output ripple. 2. Transient recovery is measured to within a 1% error band for a load step change of 75% to 100%. 3. Operation at no-load will not damage these units. However, they may not meet all specifications. 4. Dual output units may be connected to provide a 10 VDC, 24 VDC or 30 VDC output. To do this, connect the load across the positive (+Vout) and negative (-Vout) outputs and float the output common. 5. 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 appli- cations 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 <1.0Ω at 100 kHz) capacitor be mounted close to the converter. For 12V input units a 4.7 μF is recommended, and for 24V & 48V units a 2.2 μF. 6. 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. Derating Curve 3.3 VDC Output (Max) 5 VDC Output (Max) 12 ,15 VDC Output (Max) ±5 VDC Output (Max) ±12, ±15 VDC Output (Max) 680 μF 1,500 μF 100 μF ±680 μF ±100 μF Capacitive Load Pin Single Dual 2,3,24 -Vin -Vin 9NCNC 10 NC Common 11,12 -Vout -Vout 13 +Vout -Vout 14,15 +Vout +Vout 16 -Vout Common 1,22,23 +Vin +Vin NC: No Connection Model Number Input Output Efficiency (%, Typ) Fuse Rating Slow-Blow (mA) Voltage (VDC) Current (mA) Voltage (VDC) Current (mA, Max) Current (mA, Min) Nominal Range Full-Load No-Load LF701RW 12 9.0 - 18.0 417 25 3.3 1,200 90.0 79 1,500 LF702RW 12 9.0 - 18.0 595 25 5.0 1,200 60.0 84 1,500 LF703RW 12 9.0 - 18.0 718 25 12.0 625 32.0 87 1,500 LF704RW 12 9.0 - 18.0 710 25 15.0 500 25.0 88 1,500 LF705RW 12 9.0 - 18.0 496 25 ±5.0 ±500 ±25.0 84 1,500 LF706RW 12 9.0 - 18.0 717 25 ±12.0 ±312 ±15.5 87 1,500 LF707RW 12 9.0 - 18.0 710 25 ±15.0 ±250 ±12.5 88 1,500 LF711RW 24 18.0 - 36.0 206 10 3.3 1,200 90.0 80 700 LF712RW 24 18.0 - 36.0 294 10 5.0 1,200 60.0 85 700 LF713RW 24 18.0 - 36.0 355 10 12.0 625 32.0 88 700 LF714RW 24 18.0 - 36.0 355 10 15.0 500 25.0 88 700 LF715RW 24 18.0 - 36.0 245 10 ±5.0 ±500 ±25.0 85 700 LF716RW 24 18.0 - 36.0 355 10 ±12.0 ±312 ±15.5 88 700 LF717RW 24 18.0 - 36.0 351 10 ±15.0 ±250 ±12.5 89 700 LF721RW 48 36.0 - 75.0 103 8 3.3 1,200 90.0 80 350 LF722RW 48 36.0 - 75.0 147 8 5.0 1,200 60.0 85 350 LF723RW 48 36.0 - 75.0 178 8 12.0 625 32.0 88 350 LF724RW 48 36.0 - 75.0 178 8 15.0 500 25.0 88 350 LF725RW 48 36.0 - 75.0 123 8 ±5.0 ±500 ±25.0 85 350 LF726RW 48 36.0 - 75.0 178 8 ±12.0 ±312 ±15.5 88 350 LF727RW 48 36.0 - 75.0 178 8 ±15.0 ±250 ±12.5 88 350 MicroPower Direct www.micropowerdirect.com 292 Page Street Ste D Stoughton, MA 02072 • TEL: (781) 344-8226 • FAX: (781) 344-8481 • E-Mail: sales@micropowerdirect.com |
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