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| LF100ES Series Lowest Cost, Single Output 1W Ultra-Miniature SMT DC/DC Converters Electrical Specifications Specifications typical @ +25C, nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice. Key Features: * 1W Output Power * Ultra-Miniature SMT Case * UL Approved (File E245422) * Single Output * Low 0.246" Profile * 1,000 VDC Isolation * >3.5 MHour MTBF * 3.3V, 5V, & 12V Inputs * LOWEST COST! Input Parameter Input Voltage Range Reverse Polarity Input Current Input Filter Capacitor Conditions For Vin Change of 1% For Vin Change of 1% See Model Selection Guide 50 Momentary (0.5 Sec.) Conditions 60 Seconds 500 VDC 100 kHz, 1V Min. 1,000 1,000 70 100 Conditions Ambient Min. -40 -55 Free Air Convection RH, Non-condensing 95 % Typ. +25 Max. +85 +125 Typ. Max. Units VDC M pF kHz Units C C 100 0.03 mV P - P %/C Min. Typ. 3.0 1.5 1.2 Max. Units % % % Conditions 3.3 VDC Input 5 VDC Input 12 VDC Input Min. 3.0 4.5 10.8 Typ. 3.3 5.0 12.0 Max. 3.6 5.5 13.2 1.0 A VDC Units Output Parameter Output Voltage Accuracy Line Regulation, 3.3V Output Line Regulation, All Other Outputs Load Regulation Ripple & Noise (20 MHz) Temperature Coefficient Output Short Circuit General Parameter Isolation Voltage Isolation Resistance Isolation Capacitance Switching Frequency Environmental Parameter Operating Temperature Range Storage Temperature Range Cooling Humidity Physical MicroPower Direct 292 Page Street Suite D Stoughton, MA 02072 USA Case Size Case Material Weight 0.50 x 0.29 x 0.24 Inches (12.7 x 7.5 x 6.0 mm) Non-Conductive Black Plastic (UL94-V0) 0.05 Oz (1.5g) Conditions MIL HDBK 217F, 25C, Gnd Benign Min. 3.5 Typ. Max. Units MHours Reliability Specifications Parameter T: (781) 344-8226 MTBF F: (781) 344-8481 Safety Standards E: sales@micropowerdirect.com W: www.micropowerdirect.com Safety Approvals UL 1950, EN 60950, IEC 60950 UL, cUL; File No. E245422 Conditions 3.3 VDC Input 5 VDC Input 12 VDC Input 1.5 mm From Case For 10 Sec All Models Min. -0.7 -0.7 -0.7 Typ. Max. 7.0 7.0 15.0 260.0 450 C mW VDC Units Absolute Maximum Ratings Parameter Input Voltage Surge (1 Sec) Lead Temperature Internal Power Dissipation Caution: Exceeding Absolute Maximum Ratings may damage the module. These are not continuous operating ratings. Model Selection Guide Model Number LF101ES LF102ES LF103ES LF104ES LF109ES LF111ES LF112ES LF113ES LF114ES LF151ES LF152ES LF153ES LF159ES Input Output Load Voltage (VDC) Current (mA) Voltage Current Current Regulation Nominal Range Full-Load No-Load (VDC) (mA, Max) (mA, Min) (%, Max) 5 4.5 - 5.5 260 30 5.0 200.0 20.0 15.0 5 4.5 - 5.5 263 30 9.0 111.0 23.0 9.0 5 4.5 - 5.5 253 30 12.0 84.0 17.0 7.5 5 4.5 - 5.5 256 30 15.0 67.0 13.0 7.0 5 4.5 - 5.5 277 30 3.3 300.0 30.0 15.0 12 10.8 - 13.2 121 15 5.0 200.0 20.0 15.0 12 10.8 - 13.2 114 15 9.0 111.0 23.0 9.0 12 10.8 - 13.2 114 15 12.0 84.0 17.0 7.5 12 10.8 - 13.2 113 15 15.0 67.0 13.0 7.0 3.3 3.0 - 3.6 409 55 5.0 200.0 20.0 15.0 3.3 3.0 - 3.6 446 55 9.0 111.0 23.0 9.0 3.3 3.0 - 3.6 433 55 12.0 84.0 17.0 7.5 3.3 3.0 - 3.6 415 55 3.3 300.0 30.0 15.0 Efficiency (%, Typ) 77 76 79 78 72 69 73 73 74 74 68 70 73 Fuse Rating Slow-Blow (mA) 500 500 500 500 500 200 200 200 200 750 750 750 750 Other input/output combinations are available (i.e. 24 VDC Input). Contact the factory for details at: sales@micropowerdirect.com Notes: 1. Output load regulation is specified for a load change of 10% to 100%. 2. When measuring output ripple, it is recommended that an external 0.33 F ceramic capacitor be placed from the +Vout pin to the -Vout pin. 3. During operation, care must be taken not to exceed the specified input range of the unit or to allow the output load to drop below the specified minimum (10% of full load). Operating the unit under either of these conditions could cause damage to the unit. 4. These converters are specified for operation without external components. However, in some applications the addition of input/output capacitors will enhance stability and reduce output ripple. Recommended capacitor values are: Vin 3.3 VDC 5 VDC 12 VDC Input Capacitor 4.7 F 4.7 F 2.2 F Vout 3.3 VDC 5 VDC 9 VDC 12 VDC 15 VDC Output Capacitor 10.0 F 10.0 F 4.7 F 2.2 F 1.0 F Derating Curve Pin Connections Pin Description 1 -Vin 2 +Vin 3 NC 4 -Vout NC = No Connection Pin 5 6 7 8 Description +Vout NC NC NC Recommended Solder Profile For applications requiring very low output noise levels, a simple LC filter should be effective. 5. It is recommended that a fuse be used on the input of a power supply for protection. See the Model Selection table above for the correct rating. Mechanical Dimensions Board Layout MicroPower Direct www.micropowerdirect.com * 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 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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