Step-Up Converter and LDO Combo CXSU63135 is a PWM/PFM, high-efficiency, and stepup DC-DC converter with an integrated LDO input switch for dual mode application. During battery mode operation,

   产品概述 返回TOP3le嘉泰姆

The CXSU63135 is a PWM/PFM, high-efficiency, and stepup DC-DC converter with an integrated LDO input switch for dual mode application. During battery mode operation, the CXSU63135 acts as synchronous rectifier and step-up DC-DC converter with a fixed or adjustable output voltage. When the VIN pin sense 5V input voltage, the CXSU63135 is switched to LDO operation mode, maintaining the constant output voltage. The input voltage ranges from 0.6 V to 4.5V for step-up DC-DC converter. The start-up is guaranteed at 1V and the device operates down to 0.6V. When the device is at LDO operating mode, the suitable output voltage 3.3V and loading current 500mA for maximum power consumption are guaranteed. The CXSU63135 is suited for dual mode and portable battery powered appliance with low-battery detector. In dualmode applications, the CXSU63135 draws power from any available 5V USB connection and reverts to battery power when the USB power is removed.

   产品特点 返回TOP3le嘉泰姆

· Built-In a 500mA LDO and Synchronous Step-Up DC-DC Converter3le嘉泰姆

· Built-In PWM/PFM Operating Mode 3le嘉泰姆

· Provided Dual Input Power Sources 3le嘉泰姆

· Connect FB to OUT for 3.3V Output Voltage or GND for 2.5V Output Voltage or an External Resistor Divider for Adjustable Output Voltage. 3le嘉泰姆

· Fixed 300kHz Operating Frequency 3le嘉泰姆

· High Efficiency Up to 94% at 200mA Output Current 3le嘉泰姆

· 0.6V to 4.5V Operating Voltage 3le嘉泰姆

· 1V Start-Up Input Voltage 3le嘉泰姆

· Low Battery Voltage Detection 3le嘉泰姆

· Reverse Voltage Protection 3le嘉泰姆

· Internal Synchronous Rectifier 3le嘉泰姆

· Automatic Detection Input Voltage 3le嘉泰姆

· Compact SOP-8P and TSSOP-8 Packages 3le嘉泰姆

· Lead Free and Green Devices Available (RoHS Compliant)3le嘉泰姆

   应用范围 返回TOP3le嘉泰姆

· Dual Mode Power System 3le嘉泰姆

· USB Peripheral 3le嘉泰姆

· Camcorders and Digital Camera 3le嘉泰姆

· Hand-Held Instrument · PDAs3le嘉泰姆

   技术规格书（产品PDF) 返回TOP 3le嘉泰姆

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