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KB3301 Datasheet(PDF) 1 Page - Kingbor Technology Co |
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KB3301 Datasheet(HTML) 1 Page - Kingbor Technology Co |
1 / 5 page 90% Efficiency High Supply Capability to Deliver 5.0V 500mA with input 3.6V-4.2V 14 µA Quiescent (switch-off) Supply Current 500KHz Fixed Switching Frequency Zero Shutdown Mode Supply Current Providing Flexibility for Using Internal and External Power Switches 1.0V Low Start-up Input Voltage Small SOT-26 & SOT89-5 Package iency maintains long battery lifetime. Ordering Information Item Package Shipping SOT89-5 KB3301MR SOT-26 3000pcs/Reel&Tape KB3301PR SOT-89-5 3000pcs/Reel&Tape Package Information LCD Panel DSC MP3 Wireless Equipment Portable Instrument PDA SOT89-5 SOT-26 Pin Configurations SOT-26 SOT-89-5 Pin NamePin Function 1 1 CE Chip enable 2 EXT Output 3 5 GND Ground 4 4 LX Switching 5 2 VDD Input 6 3 FB Feedback input 1.25V up to 300mA output current. The 500KHz high switching The low start-up input voltage below 0.8V makes KB3301 the 14 µA low quiescent current together with high effic- The KB3301 is available in small package SOT-26 and The KB3301 is a small, high efficiency, and low voltage step-up DC/DC converter with an Adaptive Current Mode PWM control loop, includes an error amplifier, ramp rate minimized the size of external components. Besides, over a wide range of load currents. It operates in stable waveforms without external compensation. suitable for 1 to 4 battery cells applications of providing Step-up DC/DC converter generator, comparator, switch pass element and driver in which providing a stable and high efficient operation Vin 3.3~10uH L1 CE EXT VDD GND FB LX C3 100uF C1 100uF + R1 1.6M/100K 1N5819 Vout 3.3V/5V + D1 R2 980k/33K 1uF C2 P1 / 5 KB3301 KB3301 Note:Vin=3.6~4.2V, Vout=5.0V 500mA ( USB host application ) General Description Features Applications Typical Application Circuit |
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