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Charger IC
Our range of products include developer microelectronics mobile charger ic dp3701bsop7, developer microelectronics pwmpower switch dp2539b dip-7, developer microelectronics mobile charger ic dp2206,sop-7 and dp power ac/dc converters, dc/dc converters.
Developer Microelectronics MOBILE CHARGER IC DP3701BSOP7
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FEATURES ? Built-in 800V High Voltage Power BJT ? Valley Switch for High Efficiency ? Multi-Mode PSR Control ? Fast Dynamic Response ? Optimized EMI Performance ? Audio Noise Free Operation ? �5% CC and CV Regulation ? Low Standby Power
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Developer Microelectronics PWMPower Switch DP2539B DIP-7
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DP2539M is a high performance offline PWM power switch for low power AC/DC charger and adapter applications. It operates in primary-side sensing and regulation. Consequently, opto-coupler and TL431 could be eliminated. High Precision Constant Voltage (CV) and Constant Current (CC) control are integrated as shown in the figure below. In CC control, the current and output power setting can be adjusted externally by the sense resistor Rs at CS pin. In CV control, multi-mode operations are utilized to achieve high performance and high efficiency. In addition, good load regulation is achieved by the built-in Cable Drop Compensation. Device operates in PFM in CC mode as well at large load condition and it operates in PWM with frequency reduction at light/medium load. The chip consumes very low operation current, it can achieve less than 75mW standby power. DP2539M offers comprehensive protection coverage with auto-recovery features including Cycle-by-Cycle current limiting, VDD Over Voltage Protection (VDD OVP), short circuit protection, built-in leading edge blanking, VDD under voltage lockout (UVLO), OTP, etc. High precision constant voltage (CV) and constant current (CC) can be achieved by DP2539M. DP2539M is offered in DIP8 package.
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Developer Microelectronics Mobile Charger IC DP2206,SOP-7
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FEATURES ? Built-in 800V High Voltage Power BJT ? Quasi-Resonant Primary Side Regulation (QR-PSR) Control with High Efficiency ? AC Line OVP & Brownout Protections ? Multi-Mode PSR Control ? Fast Dynamic Response ? Built-in Dynamic Base Drive ? Audio Noise Free Operation ? �5% CC and CV Regulation ? Low Standby Power
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DP Power AC/DC Converters, DC/DC Converters
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Shenzhen Developer Microelectronics CO., LTD was founded in April 2006, with a registered capital of RMB10 Million, and is located in High-Tech Park. The Major Buisness are IC Designing and Packaging. Majorly focused on Mobile Charger / SMPS / Industrial Power Solution that is on their BJT / Mosfet based Technologies. And Other focused products are Linear Regulators , Battery Protection IC , AC - DC Solution , DC - DC Solution, Voice Ic , Led Driver Solutions..
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