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RT9273 - OLED + LED Driver

Description

The RT9273 is a high efficiency step-up DC-DC converter specifically designed for dual panel mobile phone applications.

According to SP status, RT9273 can either regulates output current flowing through series-connected LEDs or regulate output voltage applying to OLED with a common output LC filter.

Features

  • include OVP, OCP and OTP. OVP prevents the damages in case of feedback loop open. Ordering Information RT9273 Package Type QV : VDFN-10L 3x3 (V-Type) Operating Temperature Range P : Pb Free with Commercial Standard G : Green (Halogen Free with Commer- cial Standard) Note : Richtek Pb-free and Green products are : `RoHS compliant and compatible with the current requirements of IPC/JEDEC J-STD-020. `Suitable for use in SnPb or Pb-free soldering processes. `100% matte tin (Sn) plating. Features z.

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Datasheet preview – RT9273

Datasheet Details

Part number RT9273
Manufacturer Richtek
File Size 295.46 KB
Description OLED + LED Driver
Datasheet download datasheet RT9273 Datasheet
Additional preview pages of the RT9273 datasheet.

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Full PDF Text Transcription

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Preliminary RT9273 High Performance, OLED + LED Driver for Dual Panel Mobile Phone General Description The RT9273 is a high efficiency step-up DC-DC converter specifically designed for dual panel mobile phone applications. According to SP status, RT9273 can either regulates output current flowing through series-connected LEDs or regulate output voltage applying to OLED with a common output LC filter. This along with compact VDFN-10L 3x3 package and high switching frequency allows less part count and smaller external components for space and cost saving. Pulling low EN pin shuts down the chip and reduces the supply current to less than 1μA. The EN pin also accepts PWM signal for LED brightness dimming control.
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