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LDS8868 Datasheet(PDF) 2 Page - IXYS Corporation |
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LDS8868 Datasheet(HTML) 2 Page - IXYS Corporation |
2 / 14 page ![]() LDS8868 © 2009 IXYS Corp. 2 Doc. No. 8868_DS, Rev. N2.1 Characteristics subject to change without notice ABSOLUTE MAXIMUM RATINGS Parameter Rating Unit VIN, LEDx, C1±, C2± voltage 6 V VOUT voltage 6 V EN/SET voltage VIN + 0.7V V Storage Temperature Range -65 to +160 °C Junction Temperature Range -40 to +125 °C 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, C1 = C2 = 0.22 µF, CIN = COUT = 1 µF, EN = High, TAMB = 25°C Name Conditions Min Typ Max Units Quiescent Current 1x mode, no load 1.7 2.5 mA Shutdown Current VEN = 0V 1 µA LED Current Accuracy 1mA ≤I LED ≤31mA -5 ±3 +5 % LED Channel Matching (ILED - ILEDAVG) / ILEDAVG -5 ±3 +5 % 1x mode 0.8 1.5x mode 5.5 Output Resistance (open loop) 2x mode 6.5 Ω Charge Pump Frequency 1.5x mode and 2x mode 1.1 MHz Output short circuit Current Limit VOUT < 0.5V 35 mA Input Current Limit 450 mA 1x to 1.5x, or 1.5x to 2x Transition Thresholds at any LED pin 75 130 mV 1.5x to 1x Mode Transition Hysteresis 600 mV Transition Filter Delay 1 800 µs Input Leakage -1 1 µA High 1.3 EN/DIM Pin Logic Level Low 0.4 V Thermal Shutdown 1 150 Thermal Hysteresis 1 20 °C Under Voltage Lockout (UVLO) Threshold 2.2 V Over Voltage Protection 1 6.2 V NOTE: 1.Sample test only |
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