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LP3301 Datasheet(PDF) 1 Page - Lowpower Semiconductor inc |
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LP3301 Datasheet(HTML) 1 Page - Lowpower Semiconductor inc |
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1 / 6 page  Preliminary Datasheet LP3301 LP3301-datasheet Dec.-2005 1 -1 1.5MHz Step-up DC/DC Converter General Description The LP3301 is a 1.5MHz PWM boost switching regulator designed for constant- Voltage driver applications. The LP3301 implements a constant frequency 1.5MHz PWM control scheme. The high frequency PWM operation also saves board space by reducing external component sizes. To improve efficiency, the feedback voltage is set to 1.25V. Highly integration and internal compensation network minimizes as 5 external component counts. Optimized operation frequency can meet the requirement of small LC filters value and low operation current with high efficiency. Ordering Information LP3301 □ □ □ F:Pb-Free Package Type B5: SOT-23-5 Features High Efficiency: 85% 1.5MHz Fixed-Frequency PWM Operation 36V 500mA Integrated switch Shutdown Supply Current:<1uA Available in SOT23-5 Package Built-in Over Voltage Protection of 29V Minimize the External Component RoHS Compliant and 100% Lead (Pb)-Free Pin Configurations Applications LCD Bias Supply OLED Driver GPS/PDA/Mobile phone Marking information Please view website. Typical Application Circuit 0.1uF 1uF 1uF 24V R2 10uH R1 Vin 3 1 IN5819 GND 2 SHDN 4 FB 3 Vin 5 SW 1 LP3301 4.7uF LP3301 Boost Circuit for LCD Bias LP3301 Boost Circuit Vout=(R1/R2+1)X1.25 V 0.1uF 4.7uF Vout=(R1/R2+1)X1.25 V 182K 10K ON/OFF 10uF 1 3 2 BAT54 +15V 100K 10uH 1.1M Vin 1uF 47K 3 1 BAT54/SOT -15V 100pF GND 2 SHDN 4 FB 3 Vin 5 SW 1 LP3301 |
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Similar Description - LP3301 |
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