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FP6367 Datasheet(PDF) 1 Page - Fitipower Integrated Technology Inc. |
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FP6367 Datasheet(HTML) 1 Page - Fitipower Integrated Technology Inc. |
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1 / 9 page  1 FP6367-1.3-MAR-2013 FP6367 fitipower integrated technology lnc. 1.5MHz, 800mA, High-Efficiency PWM Synchronous Step-Down Converter Pin Assignments S5 Package (SOT-23-5) 2 1 3 5 4 RUN GND SW VIN FB Figure 1. Pin Assignment of FP6367 Ordering Information SOT-23-5 Marking Part Number Product Code FP6367S5G d2= Description The FP6367 is a high efficiency, low-noise, DC-DC step-down pulse width modulated (PWM) converter that goes automatically into PFM mode at light load to improve efficiency. It is ideally suited for systems powered from a 1-cell Li-ion battery or from other power sources such as hand-held devices. The 100% duty cycle feature provides low dropout operation, extending battery life in portable systems. Switch frequency is internally set at 1.5MHz, allowing use of small surface mount inductors and capacitors. The internal synchronous switch increases efficiency and eliminates the need for an external Schottky diode. Shutdown mode places the device in standby, reducing quiescent supply current to less than 1µA. The FP6367 is available in small SOT-23-5 package. Features Synchronous Rectification: Approach 95% Efficiency 2.5V to 5.5V Input Voltage Range The PFM Mode Operation for Improving Efficiency at Light Load Real Shutdown Isolated Load from Battery Internal Compensation without External Capacitors and Resistors No Schottky Diode Required Low Dropout Operation: 100% Duty Cycle Fixed Frequency Operation at 1.5MHz Low Quiescent Current at 35µA Low Shutdown Current at 1µA RoHS Compliant Applications Cellular Phone Handheld Instrument Wireless LAN MP3 Portable Audio Player Battery Operated Device G: Green TR: Tape/Reel FP6367 □□□ Package Type S5: SOT-23-5 |
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