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LF100D Datasheet(PDF) 2 Page - MicroPower Direct, LLC |
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LF100D Datasheet(HTML) 2 Page - MicroPower Direct, LLC |
2 / 4 page Model Selection Guide 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 each output to common. For noise sensitive applications, the use of 0.47 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 Ω 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 units, a 0.47 μF. 5. The outputs of these units may be connected to provide a 10 VDC, 18 VDC, 24 VDC or 30 VDC output. To do this, connect the load across the positive (+Vout) and negative (-Vout) outputs and float the ouput common. 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. Pin Connections μF Max 33 Capacitive Load Model Number Input Output Load Regulation (%, Max) 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 LF101D 5 4.5 - 5.5 267 30 ±5.0 ±100.0 ±2.0 10 75 500 LF102D 5 4.5 - 5.5 260 30 ±9.0 ±55.0 ±1.0 10 76 500 LF103D 5 4.5 - 5.5 255 30 ±12.0 ±42.0 ±0.8 8 79 500 LF104D 5 4.5 - 5.5 251 30 ±15.0 ±33.0 ±0.7 7 79 500 LF111D 12 10.8 - 13.2 111 15 ±5.0 ±100.0 ±2.0 8 75 200 LF112D 12 10.8 - 13.2 109 15 ±9.0 ±55.0 ±1.0 8 76 200 LF113D 12 10.8 - 13.2 105 15 ±12.0 ±42.0 ±0.8 5 80 200 LF114D 12 10.8 - 13.2 103 15 ±15.0 ±33.0 ±0.7 5 80 200 LF121D 24 21.6 - 26.4 56 9 ±5.0 ±100.0 ±2.0 8 74 100 LF122D 24 21.6 - 26.4 55 9 ±9.0 ±55.0 ±1.0 8 75 100 LF123D 24 21.6 - 26.4 53 9 ±12.0 ±42.0 ±0.8 5 79 100 LF124D 24 21.6 - 26.4 52 9 ±15.0 ±33.0 ±0.7 5 79 100 Pin Description Pin Description 1-Vin 6 NA 2 +Vin 7 +Vout 3NA 8 NA 4 Common 9 NA 5 -Vout 10 NA MicroPower Direct www.micropowerdirect.com Board Layout Derating Curve |
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