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ADP3335ACPZ-3.3-RL Datasheet(PDF) 1 Page - Analog Devices |
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ADP3335ACPZ-3.3-RL Datasheet(HTML) 1 Page - Analog Devices |
1 / 16 page High Accuracy, Ultralow IQ, 500 mA, anyCAP Low Dropout Regulator Data Sheet ADP3335 Rev. D Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©2000–2013 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES High accuracy over line and load: ±0.9% at 25°C, ±1.8% over temperature Ultralow dropout voltage: 200 mV (typical) at 500 mA Requires only CO = 1.0 µF for stability anyCAP® = stable with any type of capacitor (including MLCC) Current and thermal limiting Low noise Low shutdown current: < 10 nA (typical) 2.6 V to 12 V supply range –40°C to +85°C ambient temperature range APPLICATIONS PCMCIA cards Cellular phones Camcorders, cameras Networking systems, DSL/cable modems Cable set-top box MP3/CD players DSP supplies FUNCTIONAL BLOCK DIAGRAM gm CC Q1 IN OUT NR R1 BANDGAP REF GND SD ADP3335 + – R1 R2 THERMAL PROTECTION DRIVER Figure 1. NR IN IN OUT OUT OUT GND SD ADP3335 ON OFF VIN CIN 1 µF + + VOUT 5 3 2 1 4 6 7 8 COUT 1 µF Figure 2. Typical Application Circuit GENERAL DESCRIPTION The ADP3335 is a member of the ADP333x family of precision, low dropout, anyCAP voltage regulators. It operates with an input voltage range of 2.6 V to 12 V, and delivers a continuous load current up to 500 mA. The ADP3335 stands out from conventional low dropout regulators (LDOs) by using an enhanced process enabling it to offer performance advantages beyond its competition. Its patented design requires only a 1.0 µF output capacitor for stability. This device is insensitive to output capacitor equivalent series resistance (ESR), and is stable with any good quality capacitor—including ceramic (MLCC) types for space-restricted applications. The ADP3335 achieves exceptional accuracy of ±0.9% at room temperature and ±1.8% over temperature, line, and load. The dropout voltage of the ADP3335 is only 200 mV (typical) at 500 mA. This device also includes a safety current limit, thermal overload protection, and a shutdown feature. In shutdown mode, the ground current is reduced to less than 1 µA. The ADP3335 has a low quiescent current of 80 µA (typical) in light load situations. |
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