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XC9510 - Synchronous Step-Down DC/DC Converter

Description

The XC9510 series consists of a step-down DC/DC converter and a high-speed LDO regulator connected in series with the DC/DC converter's output.

A voltage detector is also built-in.

A highly efficient, low noise output is possible since the regulator is steppeddown further from the DC/DC output.

Features

  • Input Voltage Range : Load Capacitors : 2.4V ~ 6.0V Ceramic Capacitors Compatible (Low ESR Capacitors) VD Function : Detects output voltage from the VDOUT pin while sensing either VDD, DCOUT, or VROUT internally. Nch Open Drain Output Output Voltage Range : 0.9 ~ 4.0V (Accuracy ±2%) Output Current : Controls : 800mA PWM Control PWM, PWM / PFM Automatic Switching External Oscillation Frequency : 300kHz, 600kHz, 1.2MHz Output Voltage Range : 0.9 ~ 4.0V (Accuracy ±2.

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Full PDF Text Transcription

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XC9510 Series Preliminary ! Input Voltage Range ! Output Voltage Range 2.4V ~ 6.0V DC/DC VR VD 0.9 ~ 4.0V ( ±2%) 0.9 ~ 4.0V (±2%) 0.9 ~ 5.0V (±2%) 800mA 600mA October 28, 2003 Ver. 4 Synchronous Step-Down DC/DC Converter with Built-In LDO Regulator In Series plus Voltage Detector ! Switching Frequency ! Output Current ! Ultra Small Packages ! Ceramic Capacitor Compatible 300kHz, 600kHz, 1.2MHz DC/DC VR SOP-8 ! APPLICATIONS " CD-R / RW, DVD " HDD " PDAs, portable communication modem " Cellular phones " Palmtop computers " Cameras, video recorders ! GENERAL DESCRIPTION The XC9510 series consists of a step-down DC/DC converter and a high-speed LDO regulator connected in series with the DC/DC converter's output. A voltage detector is also built-in.
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