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ADPL20502 Datasheet(PDF) 1 Page - Analog Devices |
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ADPL20502 Datasheet(HTML) 1 Page - Analog Devices |
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1 / 27 page  Data Sheet ADPL20502 600mV to 5.5V Input, 2A Boost Converter with True Shutdown Rev 0 DOCUMENT FEEDBACK TECHNICAL SUPPORT One Analog Wa y, Wilmington, MA 01887 - 2356, U.S.A. T el: 781.329.4700 © 2023 Analog D evic es, Inc. Al l rig hts r eser ved. FEATURES 500nA Quiescent Supply Current from Output Output Short-Circuit Protection True Shutdown Mode 1nA Shutdown Current Output Disconnects from Input No Reverse-Current with Any Voltage on VOUT 96% Peak Efficiency, 90% or Higher at 500μA Typical 800mA Output Current at 5.0V (VIN = 3.0V) 600mV to 5.5V Input Range, Up to 5.35V in Regulation 900mV Minimum Startup Voltage Single Resistor-Adjustable Output Voltage 2.3V to 5.2V Output Voltage Range with 100mV Steps 5.5V Output Voltage Setting Available 2A Peak Inductor Current Limit Thermal Shutdown Protection Multiple Package Options 1.58mm x 0.89mm, 0.4mm Pitch, 6-Bump (3 x 2) WLP 2mm x 2mm, 8-Pin TDFN -40°C to +125°C Operating Temperature Range GENERAL DESCRIPTION The ADPL20502® is a boost converter capable of delivering a peak inductor current up to 2A with True Shutdown™, cycle-by-cycle inductor current limit, short circuit, and thermal protection. During shutdown, only 1nA is drawn from the input pin. The ADPL20502 offers ultra-low quiescent current, small total solution size, and operates at a high efficiency throughout the load and line range. The ADPL20502 is ideal for battery- powered applications where long battery life is a must and high efficiency is required at all power levels. The ADPL20502 utilizes an adjustable on-time, pulse- frequency modulation (PFM) control scheme that consumes ultra-low quiescent current. The ADPL20502 features True Shutdown mode where the output disconnects from the input with no forward or reverse- current. This saves precious energy from the battery for systems that dynamically turn on and off by having the ability to startup into a precharged output capacitor. The ADPL20502 is offered in a space-saving and cost effective 1.58mm x 0.89mm, 6-bump WLP (3 x 2, 0.4mm pitch) and 8-pin, 2mm x 2mm TDFN packages. The operating temperature range is from -40°C to +125°C. APPLICATIONS Consumer: WiFi Module, Near-Band IoT, Wearable audio Industrial: Emergency Lighting, IoT Sensors Medical: Clinical Instrumentation SIMPLIFIED APPLICATION DIAGRAM Figure 1. Simplified Application Diagram Figure 2. Efficiency vs. Load Current (Figure 5 Circuit) RSEL L1 OUT RSEL IN LX EN GND VIN VOUT OFF ON COUT CIN ADPL20502 |
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