Datasheet4U Logo Datasheet4U.com

RT9917 - 7 Channel DC/DC Converters

Description

The RT9917 is a complete power-supply solution for digital still cameras and other hand-held devices.

It integrates : CH1 : Boost DC-DC converter with load disconnect controller (SW1).

CH2 : Selectable Boost/Buck DC-DC converter CH3 : Step-down DC-DC converter with internal compensation.

Features

  • z z z z 1 Channel Boost/Buck Selectable by SEL Pin 2 Selectable On/Off Sequence Set by SEQ Pin 4 Channels with Internal Compensation Provide Charge Pump Voltage to Enhance NMOS Gate Driving Capability for Alkaline Battery Input All Power Switches Integrated Syn Step-Down DC/DC Converter ` Up to 95% Efficiency ` 100% (MAX) Duty Cycle Syn Step-Up DC/DC Converter ` Adjustable Output Voltage ` Up to 95% Efficiency Open LED Protection Transformerless Inverting Converter for CCD Fixed 1MHz Switching.

📥 Download Datasheet

Datasheet preview – RT9917

Datasheet Details

Part number RT9917
Manufacturer Richtek Technology Corporation
File Size 654.71 KB
Description 7 Channel DC/DC Converters
Datasheet download datasheet RT9917 Datasheet
Additional preview pages of the RT9917 datasheet.

📁 Similar Datasheet

  • RT9912A - Multi-Channel Power Management IC (Richtek)
  • RT9913A - Integrated Multi-Channel DC-DC Converter (Richtek)
  • RT9913B - Integrated Multi-Channel DC-DC Converter (Richtek)
  • RT9919 - 7 Channel DC/DC Converters (Richtek)
  • RT9971 - 7 CH Power Management IC (Richtek)
  • RT9992 - 5+2 Channel DC/DC Converters (Richtek)
  • RT9001 - Ultra-Fast Transient Response LDO Regulator (Richtek Technology)
  • RT9002A - (RT9002x) Dual Low-Dropout Regulator (Richtek Technology)
  • RT9002B - (RT9002x) Dual Low-Dropout Regulator (Richtek Technology)
  • RT9002C - (RT9002x) Dual Low-Dropout Regulator (Richtek Technology)
Other Datasheets by Richtek Technology Corporation
  • RT9911 - 6 Channel DC/DC Converters
  • RT9901 - 4 Channel DC/DC Converters IC
  • RT9902 - 4 Channel DC/DC Converters IC
  • RT9903 - 5 Channel DC/DC Converters IC
  • RT9903B - 4 Channel DC/DC Converters IC
  • RT9907 - 3-Channel DC/DC Converters
  • RT9921 - Integrated Multi-Channel DC-DC Converter
  • RT9941 - Power Management ICs

Full PDF Text Transcription

Click to expand full text
RT9917 7 Channel DC/DC Converters General Description The RT9917 is a complete power-supply solution for digital still cameras and other hand-held devices. It integrates : CH1 : Boost DC-DC converter with load disconnect controller (SW1). CH2 : Selectable Boost/Buck DC-DC converter CH3 : Step-down DC-DC converter with internal compensation. CH4 : Step-down DC-DC converter with internal compensation. CH5 : DC/DC converter with HV NMOS, internal compensation and load disconnect (SW5) for CCD positive supply. CH6 : DC/DC converter with HV PMOS for CCD negative supply. CH7 : WLED driver with HV NMOS, internal compensation and allow for PWM dimming. SW1 : Load disconnect controller for CH1. SW5 : Load disconnect switch for CH5.
Published: |