LF100SI Series High Isolation, 1W Single Output SMT DC/DC Converters Electrical Specifications Specifications typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice. Input Key Features: • 1W Output Power • Ultra-Miniature SMT Case • 3,000 VDC Isolation • 5V, 12V & 24V Inputs • -40ºC to +85ºC Operation • 9 Standard Models • 2.0 MH MTBF Minimum • Industry Standard Pin-Out Parameter Input Voltage Range Conditions Min. Typ. Max. 5 VDC Input 4.5 5.0 5.5 12 VDC Input 10.8 12.0 13.2 24 VDC Input 21.6 24.0 26.4 Reverse Polarity Input Current Input Filter VDC 0.3 A Typ. Max. Units ±1.5 ±4.0 % ±1.2 ±1.5 % 100 mV P - P 150 mV P - P 5 mv rms ±0.02 %/ºC Max. Units Capacitor Output Parameter Conditions Min. Output Voltage Accuracy Line Regulation Load Regulation (Note 1) For Vin Change of 1% See Model Selection Guide Ripple & Noise (20 MHz) (Note 2) Ripple & Noise (20 MHz) 75 Over Line, Load & Temp. Ripple & Noise (20 MHz) Output Power Protection 120 Temperature Coeiffcient % ±0.01 Output Short Circuit RoHS Compliant Units Momentary (0.5 Sec.) General Parameter Conditions Isolation Voltage Min. 60 Seconds Isolation Resistance 500 VDC Isolation Capacitance VDC 10 100 kHz, 1V Switching Frequency Typ. 3,000 GΩ 60 100 pF 50 100 150 kHz Min. Typ. Max. Units +25 Environmental Parameter Conditions Operating Temperature Range Ambient -40 +85 ºC Operating Temperature Range Case -40 +90 ºC -40 +125 ºC 95 % Storage Temperature Range Cooling MicroPower Direct Humidity 292 Page Street Suite D Stoughton, MA 02072 USA Physical T: (781) 344-8226 F: (781) 344-8481 E: [email protected] W: www.micropowerdirect.com Reliability Specifications Free Air Convection RH, Non-condensing Case Size 0.60 x 0.31 x 0.26 Inches (15.24 x 8.0 x 6.7 mm) Case Material Molded Black Plastic (UL94-V0) Weight Parameter MTBF 0.07 Oz (2.2g) Conditions Min. MIL HDBK 217F, 25ºC, Gnd Benign 2.0 Conditions Min. Typ. Max. Units MHours Absolute Maximum Ratings Parameter Input Voltage Surge (1 Sec) Lead Temperature Internal Power Dissipation Typ. Max. 5 VDC Input -0.7 9.0 12 VDC Input -0.7 18.0 24 VDC Input -0.7 30.0 Units VDC 1.5 mm From Case For 10 Sec. 300 ºC All Models 550 mW Caution: Exceeding Absolute Maximum Ratings may damage the module. These are not continuous operating ratings. Model Selection Guide Input Model Number Voltage (VDC) Output Load Voltage Current Current Regulation Full-Load No-Load (VDC) (mA, Max) (mA, Min) (%, Max) Current (mA) Efficiency (%, Typ) Fuse Rating Slow-Blow (mA) Nominal Range LF101SI 5 4.5 - 5.5 281 30 5.0 200.0 4.0 10 71 500 LF102SI 5 4.5 - 5.5 258 30 12.0 84.0 1.5 7 78 500 LF103SI 5 4.5 - 5.5 258 30 15.0 67.0 1.0 7 78 500 LF111SI 12 10.8 - 13.2 117 12 5.0 200.0 4.0 8 71 200 LF112SI 12 10.8 - 13.2 106 12 12.0 84.0 1.5 5 79 200 LF113SI 12 10.8 - 13.2 104 12 15.0 67.0 1.0 5 80 200 LF121SI 24 21.6 - 26.4 58 7 5.0 200.0 4.0 8 71 100 LF122SI 24 21.6 - 26.4 53 7 12.0 84.0 1.5 5 78 100 LF123SI 24 21.6 - 26.4 53 7 15.0 67.0 1.0 5 79 100 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 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 <1.0Ω 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. 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 Mechanical Dimensions Board Layout Pin Connections Pin Description Pin Description 1 -Vin 7 NA 2 +Vin 8 +Vout 3 NA 10 NA 5 -Vout 11 NA 6 NA 12 NA NA = Not available for connection Capacitive Load MicroPower Direct 5V Out µF Max 12 & 15V Out µF Max 33 4.7 Notes: • All dimensions are typical in inches (mm) • Tolerance: Inches x.xx = ±0.01 Millimeters x.x = ±0.25 x.xx = ±0.13 Pin: ±0.002 (±0.05) • Pin 1 is mark marked by a “dot” or indentation on the unit. T The curved edge of the case indicates the Pin 1 side. www.micropowerdirect.com 292 Page Street Ste D Stoughton, MA 02072 • TEL: (781) 344-8226 • FAX: (781) 344-8481 • E-Mail: [email protected]