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PAM2801 Datasheet(PDF) 3 Page - Power Analog Micoelectronics |
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PAM2801 Datasheet(HTML) 3 Page - Power Analog Micoelectronics |
3 / 9 page 3 Electrical Characteristic T =25 , V =2.4V, I =350mA, V = V , L=2.2uH, C =10uF, C =10uF, unless otherwise noted. A IN LED SHDN IN ΙΝ O ℃ Note1: V - LED Forward Voltage F 08/2007 PAM2801 1W High Power White LED Driver Parameter Symbol Conditions Min Typ Max Unit Input Voltage Range VIN 0.9 VF-0.2 (note 1) V Feedback Voltage VFB 90 95 100 mV Start-up Voltage VSTART ILED=243mA (RS=0.39Ω), VIN:0V →2.4V 0.9 V Hold Voltage VHOLD ILED=95mA (RS=1Ω), VIN:2.4V →0V 0.65 V Oscillator Frequency FOSC 0.85 1.0 1.15 MHz SHDN Input High VSH VIN=1.8V 1.0 V SHDN Input Low VSL VIN=1.8V 0.4 V Over Temperature Shutdown OTS 150 ℃ Over Temperature Hysteresis OTH 15 ℃ Maximum Output Current Range IO(MAX) 350 mA Quiescent Current IQ ILED=0mA, VO=3.4V, Device Switching at 1MHz 13 mA Shutdown Current ISD Shutdown mode 1 uA Switch on Resistance RDSON VO=3.4V 0.1 Ω Current Limit ILIM VO=3.4V 2 A Efficiency η ILED=350mA 90 % , Power Analog Microelectronics Inc www.poweranalog.com |
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