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LC5200 データシート(PDF) 3 Page - Allegro MicroSystems |
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LC5200 データシート(HTML) 3 Page - Allegro MicroSystems |
3 / 15 page 3 Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com 48102.002 LED Drivers LC5200 Series 0 0.5 1 1.5 2 0 25 50 75 100 125 150 Ambient Temperature, TA (°C) PD = 1.73 W RθJA = 72°C/W Power Dissipation versus Ambient Temperature ELECTRICAL CHARACTERISTICS Valid at TA = 25°C and VBB = 140 V, unless otherwise noted Characteristics Symbol Test Conditions Min. Typ. Max. Unit Supply Voltage Input Current IBB Normal operation – 2 – mA IBBS At output off – 0.6 1 mA MOSFET Breakdown Voltage VDSS ID = 1 mA 450 – – V MOSFET On-Voltage VDS(on) ID = 0.5 A, LC5205 – 3 – V ID = 1.0 A, LC5210 – 2.5 – V MOSFET Diode Forward Voltage VF ID = 0.5 A, LC5205 – 0.85 – V ID = 1.0 A, LC5210 – 0.9 – V REG Pin Output Voltage VREG IREG = 0 mA 11.5 12 12.5 V REG Pin Maximum Output Current IREG VREG = 11.5 V – – 2 mA Maximum PWM Operating Frequency fclk PWM frequency – – 200 kHz REF Pin Input Voltage VREF 0–1 V REF Pin Input Current IREF – ±10 – μA SENSE Pin Voltage VRS VREF – 0.03 VREF VREF + 0.03 V SENSE Pin Current IRS – ±10 – μA OCP Threshold Voltage VOCP Measured at SENSE pin – 3 – V PWM Off-Time TPOFF RTOFF = 560 kΩ, CTOFF = 220 pF – 21 – μs UVLO On Threshold Voltage VUVLO(on) For VBB –13– V UVLO Off Threshold Voltage VUVLO(off) For VBB –14– V TSD Threshold Temperature TTSD Main controller IC (MIC) temperature – 150 – °C TSD Hysteresis Temperature TTSDhys –55– °C Switching Time tr ID = 0.4 A – 20 – ns tf ID = 0.4 A – 50 – ns |
同様の部品番号 - LC5200 |
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同様の説明 - LC5200 |
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