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LDS8711 Datasheet(PDF) 2 Page - IXYS Corporation |
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LDS8711 Datasheet(HTML) 2 Page - IXYS Corporation |
2 / 12 page ![]() LDS8711 © 2010 IXYS Corp. 2 Doc. No. 8711DS, Rev. N1.0 Characteristics subject to change without notice ABSOLUTE MAXIMUM RATINGS Parameter Rating Unit VIN voltage 6 V VOUT, SW, LEDS, Vh voltage 40 V EN/SET voltage VIN + 0.7V V LED Current 32 mA Storage Temperature Range -65 to +160 °C Junction Temperature Range -40 to +125 °C 8-pin TDFN package Thermal Resistance 65 °C/W Soldering Temperature 300 °C RECOMMENDED OPERATING CONDITIONS Parameter Rating Unit VIN 2.7 to 5.5 V Ambient Temperature Range -40 to +85 °C Typical application circuit with external components is shown on page 1. ELECTRICAL OPERATING CHARACTERISTICS (Over recommended operating conditions unless specified otherwise) VIN = 3.6V,TAMB = 25°C, CIN = 1 µF, COUT = 1 µF, L = 22 µH Name Conditions Min Typ Max Units VIN = 3.6 V, VOUT open 1 Quiescent Current VIN = 3.6 V, ILED = 25 mA @ VOUT =36 V 3 mA Shutdown Current VIN = 5.5V, EN = 0V 1 µA LED Current Accuracy At factory preset value ±1 % Oscillator Frequency 0.7 MHz Maximum Duty Cycle 92 % NMOSFET Switch On Resistance 0.3 Ω PMOSFET Switch On Resistance 1.5 Ω Switch Leakage Current 0.1 µA Switch Current Limit 1.3 A Dropout/Current sense voltage At factory preset value 250 mV PWM Frequency 0.1 30 kHz Input Resistance (pull down) 250 k Ω High 1.4 EN/PWM Pin Logic Level Low 0.4 V Thermal Shutdown 150 Thermal Hysteresis 20 °C Over-Voltage Protection 36 V Soft Start Time 1.5 ms Delay Time to Shutdown EN = 0 10 ms |
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