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RT9266 - Step-up DC/DC Converter

Description

Pin No.

SOT-23-6 11 235 44 52 63 SOT-89-5 EN EXT GND LX VDD FB Pin Name Pin Function Chip Enable (Active High).

Output Pin for Driving External N-MOSFET.

Features

  • z z z z z z z z z 1.0V Low Start-up Input Voltage High Supply Capability to Deliver 3.3V 100mA with 1 Alkaline Cell 17μA Quiescent (Switch-off) Supply Current Zero Shutdown Mode Supply Current 90% Efficiency 450kHz Fixed Switching Frequency Providing Flexibility for Using Internal and External Power Switches Small SOT-23-6 & SOT-89-5 Package RoHS Compliant and 100% Lead (Pb)-Free.

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Datasheet Details

Part number RT9266
Manufacturer Richtek
File Size 406.42 KB
Description Step-up DC/DC Converter
Datasheet download datasheet RT9266 Datasheet

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Full PDF Text Transcription

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® RT9266 Tiny Package, High Efficiency, Step-up DC/DC Converter General D escription The RT9266 is a compa ct, high ef ficiency, and low voltage step-up DC/DC converter with a n Adaptive Current Mode PWM control loop, include s a n error a mplifier, ra mp generator, comparator, switch pa ss element a nd driver in which providing a sta ble and high efficient operation over a wide ra nge of loa d currents. It operate s in sta ble waveforms without external compensation. The low start-up input voltage below 1V makes RT9266 suitable for 1 to 4 battery cells applications of providing up to 300mA output current. The 450kHz high switching rate minimized the size of external components. Besides, the 17 μA low quiescent current together with high efficiency maintains long battery lifetime.
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