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RT9277A,高性能,低噪声升压转换器

RT9277A】高性能,低噪声升压转换器

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RT9277A 详细介绍

The RT9277A is a high performance, low noise, fixed frequency step up DC-DC Converter. The RT9277A converters input voltage ranging 2.5V to 5.5V into output voltage up to 16V. Current mode control with external compensation network makes it easy to stabilize the system and keep maximum flexibility. Soft start function minimizes impact on the input power system. Internal power MOSFET with very low RDS(ON) provideshigh efficiency.
The RT9277A automatically transits from PWM to PSM (Pulse Skipping Mode) during light load condition further increasing efficiency. 640kHz and 1.2MHz operation frequency options provide flexibiltity of minimum output inductor size, maximum efficiency and low BOM cost. The RT9277A also provides comprehensive protection functions such as UVLO, OCP and OTP.

RT9277A技术特性
·RT9277A 90% Efficiency
 ·RT9277A VIN Operating Range : 2.5V to 5.5V
 ·1RT9277A .6A, 0.2Ω , 16V Internal Power MOSFET
 ·RT9277A 640kHz and 1.2MHz Operation Frequency
 ·RT9277A External Compensation Network
 ·RT9277A Internal Soft Start Function
 ·RT9277A Small MSOP8 Package
 ·RT9277A OCP and OTP Function are Included
 ·RoHS Compliant and 100% Lead (Pb)-Free

RT9277A应用领域
 ·TFT LCD panel
 ·OLED Display
 ·PCMCIA Cards
 ·Portable Device