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AP3030KTR-G1 Datasheet(PDF) 5 Page - BCD Semiconductor Manufacturing Limited |
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AP3030KTR-G1 Datasheet(HTML) 5 Page - BCD Semiconductor Manufacturing Limited |
5 / 13 page 5 Aug. 2008 Rev. 1. 1 BCD Semiconductor Manufacturing Limited WHITE LED STEP-UP CONVERTER AP3030 Preliminary Datasheet (VIN=3V, VCTRL =3V, TA=25 oC, unless otherwise specified.) Parameter Symbol Conditions Min Typ Max Unit Minimum Operating Voltage VIN(min) 2.5 V Maximum Operating Voltage VIN(max) 16 Feedback Voltage VFB IOUT=20mA, 4 LEDs, TA=-40 oC to 85oC 188 200 212 mV FB Pin Bias Current IFB 35 100 nA Quiescent Current IQ VFB=VIN, no switching 1.5 2.5 3.2 mA Shutdown Quiescent Current ISHDN VCTRL=0V 2.0 3.2 5.0 µA Switch Frequency f 0.9 1.2 1.5 MHz Maximum Duty Cycle DMAX 90 93 % Switch Current Limit (Note 2) ILIMIT D=40% 550 mA D=80% 550 Switch VCE Saturation Voltage VCESAT ISW=250mA 360 mV Switch Leakage Current VSW=5V 0.01 5 µA CTRL Pin Voltage VCTRL High 1.8 V Low 0.05 CTRL Pin Bias Current ICTRL 40 55 72 µA TA=85 oC 50 TA=-40 oC 75 Schottky Forward Drop VDROP ID=150mA 0.7 V Schottky Leakage Current VR=23V 0.1 4 µA VR=27V 150 Soft Start Time t 300 µS Electrical Characteristics Note 2: The switch current limit is related to duty cycle. Please refer to Figure 16 for detail. |
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