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ADP3339AKCZ-2.5-R7 Datasheet(PDF) 1 Page - Analog Devices |
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ADP3339AKCZ-2.5-R7 Datasheet(HTML) 1 Page - Analog Devices |
1 / 12 page High Accuracy, Ultralow IQ, 1.5 A, anyCAP Low Dropout Regulator Data Sheet ADP3339 Rev. C Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other 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 www.analog.com Fax: 781.461.3113 ©2001–2011 Analog Devices, Inc. All rights reserved. FEATURES High accuracy over line and load: ±0.9% at 25°C, ±1.5% over temperature Ultralow dropout voltage: 230 mV (typical) at 1.5 A Requires only COUT = 1.0 μF for stability anyCAP = stable with any type of capacitor (including MLCC) Current and thermal limiting Low noise 2.8 V to 6 V input voltage range −40°C to +85°C ambient temperature range SOT-223 package APPLICATIONS Notebooks, palmtop computers SCSI terminators Battery-powered systems PCMCIA regulators Bar code scanners Camcorders, cameras FUNCTIONAL BLOCK DIAGRAM THERMAL PROTECTION CC IN ADP3339 OUT R1 R2 GND Q1 BANDGAP REF DRIVER gm Figure 1. VIN OUT ADP3339 1 μF 1 μF VOUT GND IN Figure 2. Typical Application Circuit GENERAL DESCRIPTION The ADP3339 is a member of the ADP33xx family of precision, low dropout, anyCAP® voltage regulators. The ADP3339 operates with an input voltage range of 2.8 V to 6 V and delivers a load current up to 1.5 A. The ADP3339 stands out from the conventional LDOs with a novel architecture and an enhanced process that enables it to offer performance advantages and higher output current than 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 ADP3339 achieves exceptional accuracy of ±0.9% at room temperature and ±1.5% over temperature, line, and load variations. The dropout voltage of the ADP3339 is only 230 mV (typical) at 1.5 A. The device also includes a safety current limit and thermal overload protection. The ADP3339 has ultralow quiescent current: 130 μA (typical) in light load situations. |
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