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RT9277A - Low Noise Boost Converter

Description

The RT9277A/B is a high performance, low noise, fixed frequency step up DC-DC Converter.

The RT9277A/B converters input voltage ranging 2.5V to 5.5V into output voltage up to 16V.

Features

  • z 90% Efficiency z VIN Operating Range : 2.5V to 5.5V z 1.6A, 0.2Ω, 16V Internal Power MOSFET z 640kHz and 1.2MHz Operation Frequency z External Compensation Network z Internal/External Programmable Soft Start Function z Small MSOP8 Package z OCP and OTP Function are Included z RoHS Compliant and 100% Lead (Pb)-Free.

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Datasheet Details

Part number RT9277A
Manufacturer Richtek
File Size 215.52 KB
Description Low Noise Boost Converter
Datasheet download datasheet RT9277A Datasheet

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Full PDF Text Transcription

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RT9277A/B High Performance, Low Noise Boost Converter General Description The RT9277A/B is a high performance, low noise, fixed frequency step up DC-DC Converter. The RT9277A/B 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) provides high efficiency. The RT9277A/B 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.
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