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FSP3301 Datasheet(PDF) 2 Page - FOSLINK SEMICONDUCTOR CO.,LTD |
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FSP3301 Datasheet(HTML) 2 Page - FOSLINK SEMICONDUCTOR CO.,LTD |
2 / 9 page FIXED FREQUENCY WHITE LED DRIVER FSP3301 2007-4-16 2/9 ABSOLUTE MAXIMUM RATINGS (NOTE 1) Symbol Parameter Rating Unit SW, OV Pins -0.5 to +29 V All Other Pins -0.3 to +10 V Tstg Storage Temperature Range -65 to +150 ℃ TSOT23-6L 110 θJC QFN8L 16 ℃ /W TSOT23-6L 220 θJA Thermal Resistance (Note 2) QFN8L 80 ℃ /W Note 1: Exceeding these ratings may damage the device. Note 2: Measured on approximately 1” square of 1 oz copper. RECOMMENDED OPERATING CONDITIONS (NOTE 3) Symbol Parameter Rating Unit Input Supply Voltage +2.5 to +10 V Output Voltage VIN to +29 V TOP Operating Temperature Range -40 to +85 ℃ Note 3: The device is not guaranteed to function outside of its operating conditions. ELECTRICAL CHARACTERISTICS (VIN = VEN = 5V, TA = +25°C, unless otherwise noted.) Parameters Symbol Condition Min Typ Max Units Operating Input Voltage VIN 2.5 10 V Supply Current (Shutdown) VEN = 0V 0.1 1 µA Supply Current (Quiescent) VFB = 0.15V 2.0 2.6 mA Switching Frequency fSW 0.9 1.2 1.5 MHz Maximum Duty Cycle VFB = 0V 85 90 % Under Voltage Lockout IN Under Voltage Lockout UVLO VIN Rising 2.10 2.18 V Under Voltage Lockout Hysteresis 80 mV Open Lamp Shutdown Threshold VOV VOV Rising 29 V Enable EN Threshold VEN Rising 0.77 V EN Threshold VEN Rising,VIN = 2.5V 0.76 V EN Hysteresis 30 mV EN Input Bias Current VEN = 0V, 5V 65 µA Feedback FB Voltage 94 104 114 mV FB Input Bias Current VFB = 0.1V -0.01 -0.045 -1 µA Output Switch SW Current Limit (Note 4) Duty Cycle =60% 320 mA Switch VCEAST BVCES ISW=250mA 350 mV Switch Leakage Current VSW=5V 0.01 5 uA Note 4: Guaranteed by design. |
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