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ADP3339AKC-5 Datasheet(PDF) 1 Page - Analog Devices |
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ADP3339AKC-5 Datasheet(HTML) 1 Page - Analog Devices |
1 / 8 page REV. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a ADP3339 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 2001 FUNCTIONAL BLOCK DIAGRAM High-Accuracy Ultralow IQ, 1.5 A, anyCAP® Low Dropout Regulator FEATURES High Accuracy Over Line and Load: 0.9% @ 25 C, 1.5% Over Temperature Ultralow Dropout Voltage: 230 mV (Typ) @ 1.5 A Requires Only CO = 1.0 F for Stability anyCAP = Stable with Any Type of Capacitor (Including MLCC) Current and Thermal Limiting Low Noise 2.8 V to 6 V Supply Range –40 C to +85 C Ambient Temperature Range SOT-223 Package APPLICATIONS Notebook, Palmtop Computers SCSI Terminators Battery-Powered Systems PCMCIA Regulator Bar Code Scanners Camcorders, Cameras GENERAL DESCRIPTION The ADP3339 is a member of the ADP33xx family of precision low dropout anyCAP voltage regulators. The ADP3339 oper- ates 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 varia- tions. The dropout voltage of the ADP3339 is only 230 mV (typical) at 1.5 A. This device also includes a safety current limit and thermal overload protection. The ADP3339 has ultralow quiescent current 130 µA (typical) in light load situations. anyCAP is a registered trademark of Analog Devices Inc. VIN OUT ADP3339 1 F 1 F VOUT GND IN Figure 1. Typical Application Circuit THERMAL PROTECTION CC IN ADP3339 OUT R1 R2 GND Q1 BANDGAP REF DRIVER gm |
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