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LDS8680 Datasheet(PDF) 2 Page - IXYS Corporation |
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LDS8680 Datasheet(HTML) 2 Page - IXYS Corporation |
2 / 12 page ![]() LDS8680 © 2009 IXYS Corp. 2 Doc. No. 8680_DS, Rev. N1.0 Characteristics subject to change without notice ABSOLUTE MAXIMUM RATINGS Parameter Rating Unit VIN, LEDx, C1± 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 = 2.2 µF, Cin = Cout = 1 µF, EN = High, TAMB = 25°C Name Conditions Min Typ Max Units Standby Current 0.6 mA Shutdown Current VEN = 0V 0.5 µA LED Current Accuracy 1mA ≤I LED ≤400 mA ±8 % LED Channel Matching (ILED - ILEDAVG) / ILEDAVG ±8 % 1-x mode 0.5 Output Resistance (open loop) 1 2-x mode 1.7 Ω Charge Pump Frequency 1 MHz Output short circuit Current Limit VOUT < 0.5V 2 A Input Current Limit 2 A 1-x to 2-x Transition Thresholds at any LED pin At 200 mA 150 mV Transition Filter Delay 800 µs Input current EN = VIN = 5.5 V 1 µA High 1.4 EN/SET Pin Logic Level Low 0.4 V Thermal Shutdown 1 160 Thermal Hysteresis 1 25 °C Under Voltage Lockout (UVLO) Threshold 2.3 V Output Over Voltage protection 5.6 5.9 V Flash LED Safety Timer 250 ms Note: 1. Sample test only 2. Measusured from Flash LED ON command to ILED reaches 90% of regulated level |
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