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ADPL21501 Datasheet(PDF) 1 Page - Analog Devices |
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ADPL21501 Datasheet(HTML) 1 Page - Analog Devices |
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1 / 15 page  Data Sheet ADPL21501 Micropower Step-Up DC/DC Converter in a ThinSOT Package Rev. 0 DOCUMENT FEEDBACK One Analog Wa y, Wilmington, MA 01887 - 2356, U.S.A. T el: 781.329.4700 TECHNICAL SUPPORT © 202 5 Analog Devices, Inc. All rights reserved. FEATURES Low Quiescent Current: 20µA in Active Mode <2µA in Shutdown Mode Operates with a VIN as Low as 1V Low VCESAT Switch: 95mV at 70mA Uses Small Surface Mount Components High Output Voltage: Up to 30V Low Profile (1mm) ThinSOTTM Package Organic Light Emitting Diode (OLED) Power Medical Diagnostic Equipment APPLICATIONS Portable Electronics Battery Backup Digital Cameras Organic Light Emitting Diode (OLED) Power Medical Diagnostic Equipment GENERAL DESCRIPTION The ADPL21501 is a micropower step-up DC/DC converter in a 5-lead, low-profile (1mm) ThinSOT package. The ADPL21501 is designed for higher power systems with a 100mA current limit and an input voltage range of 1V to 15V. The ADPL21501 features a quiescent current of only 20µA at no load, which further reduces to 2µA (max) in shutdown. A current-limited, fixed off-time control scheme conserves operating current, resulting in high efficiency over a broad range of load currents. The 32V switch enables the generation of high-voltage outputs up to 30V in a simple boost topology, eliminating the need for costly transformers. The ADPL21501’s low off-time of 400ns permits the use of tiny, low-profile inductors and capacitors, minimizing footprint and cost in space-conscious portable applications. TYPICAL APPLICATION Figure 1. 30V Converter for PIN Diode Driver Figure 2. Efficiency vs. Load Current FB ADPL21501 VIN 1V TO 6V L1 22µH D1 SHDN R2 432kΩ R1 10MΩ C2 1µF VOUT 30V, 500µA L1: WÜRTH 74438335220 C1: MURATA GRM21BR71C475KE51L D1: ONSEMI MBR0540 C2: MURATA GRM31CR72A105KA01K GND C1 4.7µF VIN SW LOAD CURRENT (µA) 10 100 500 100 90 80 70 60 50 40 30 20 10 0 VIN = 1.8V VIN = 3.3V VIN = 5V |
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