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RT9216B - VFM STEP UP DC/DC CONVERTER

General Description

The RT9261B Series are VFM Step-up DC/DC converter ICs with ultra low supply current by CMOS process and suitable for use with battery-powered instruments.

Key Features

  • z Minimal Number of External Components (Only an Inductor, a Diode, and a Capacitor) z Ultra Low Input Current (6.5µA at Switch Off) z Cap.

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Datasheet Details

Part number RT9216B
Manufacturer Richtek
File Size 184.27 KB
Description VFM STEP UP DC/DC CONVERTER
Datasheet download datasheet RT9216B Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Preliminary RT9261B VFM Step-up DC/DC Converter General Description The RT9261B Series are VFM Step-up DC/DC converter ICs with ultra low supply current by CMOS process and suitable for use with battery-powered instruments. The RT9261B IC consists of an oscillator, a VFM control circuit, a driver transistor (LX switch), a reference voltage unit, an error amplifier, resistors for voltage detection, and a LX switch protection circuit. A low ripple and high efficiency step-up DC/DC converter can be constructed with the RT9261B IC and only three external components. The CE pin enables the circuit to set the standby supply current at a maximum of 0.5µA.