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LDF24E-10-300 Datasheet(PDF) 1 Page - MicroPower Direct, LLC |
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LDF24E-10-300 Datasheet(HTML) 1 Page - MicroPower Direct, LLC |
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1 / 2 page  Miniature, SMT Constant Current Output DC/DC LED Drivers Key Features: • 300 - 700 mA Output Current • Constant Current Output • Miniature SMTCase • PWM & Analog Dimming • Wide 5.5V to 48V Input Range • Efficiency to 96% • 2.0 MHrs MTBF • Low, Low Cost! Series Input Parameter Conditions Min. Typ. Max. Units Input Voltage Range 5.5 24.0 48.0 VDC Max Input Voltage See Note 1 55.0 VDC Input Filter Internal Capacitor Output Parameter Conditions Min. Typ. Max. Units Output Current Accuracy Vin = 24V ±2.0 ±3.0 % Output Current Stability Vin = 48V ±1.0 % Output Capacitive Load 1,000 µF Ripple & Noise 120 mV P-P Temperature Coefficient ±0.015 %/ºC Output Short Circuit Continuous Environmental Parameter Conditions Min. Typ. Max. Units Operating Temperature Range, Ambient 300 mA, 350 mA Output Models -40 +25 +85 º C All Other Models -40 +25 +71 Operating Temperature Range, Case Case +100 º C Storage Temperature Range -55 +125 º C Cooling Free Air Convection Humidity RH, Non-condensing 95 % Lead Temperature 1.5 mm From Case For 10 Sec 260 ºC Physical Case Size 0.94 x 0.54 x 0.295 Inches (23.86 x 13.70 x 7.50 mm) Case Material Non-Conductive Black Plastic (UL94-V0) Weight 0.212 Oz (6.0g) Remote On/Off Control Parameter Conditions Min. Typ. Max. Units DC/DC On Open Or 2.8 VDC < 6.0 VDC DC/DC Off <0.6 VDC Remote Pin Drive Current Vcont = 5.0 VDC 1 mA Quiescent Input Current (Shutdown Mode) Vin = 24V, Vcont = <0.6 VDC 400 µA PWM Dimming Parameter Conditions Min. Typ. Max. Units Operation Frequency 0.2 10 kHz Reliability Specifications Parameter Conditions Min. Typ. Max. Units MTBF MIL HDBK 217F, 25ºC, Gnd Benign 2.0 MHours MicroPower Direct 292 Page Street Suite D Stoughton, MA 02072 USA T: (781) 344-8226 F: (781) 344-8481 E: sales@micropowerdirect.com W: www.micropowerdirect.com www.micropowerdirect.com Electrical Specifications Specifications typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice. S LDF24E-xx-xxx Connection Notes: 1. Input filter components (C1, L1 & C2) are used to help meet the conducted emissions requirements (EN 55022 B) for the unit. Recommended values are: C2 - 2.2 µF L1 - 1.25 mH C3 - 1.0 µF Other components added to the circuit include an input storage capacitor to help prevent problems due to input line sags and an output capacitor to improve performance. Recommended values are: C1 - 470 µF C4 - 1.0 µF 2. To comply with EN61000-4-5, a TVS should be installed before the input filter compo- nents. A SMCG51 is recommended. 2 Typical Connection: AC Input Typical Connection: DC Input |
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