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ADP3330ART-3 Datasheet(PDF) 1 Page - Analog Devices |
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ADP3330ART-3 Datasheet(HTML) 1 Page - Analog Devices |
1 / 12 page REV. A a ADP3330 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 World Wide Web Site: http://www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 1999 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 which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. High Accuracy Ultralow IQ, 200 mA, SOT-23, anyCAP™ Low Dropout Regulator FUNCTIONAL BLOCK DIAGRAM THERMAL PROTECTION CC IN ADP3330 OUT R1 R2 GND Q1 SD BANDGAP REF DRIVER gm ERR FEATURES High Accuracy Over Line and Load: 0.7% @ +25 C, 1.4% Over Temperature Ultralow Dropout Voltage: 140 mV (Typ) @ 200 mA Requires Only CO = 0.47 F for Stability anyCAP = Stable with Any Type of Capacitor (Including MLCC) Current and Thermal Limiting Low Noise Low Shutdown Current: <2 A 2.9 V to 12 V Supply Range –40 C to +85 C Ambient Temperature Range Ultrasmall Thermally Enhanced Chip-on-Lead™ SOT-23-6 6-Lead Package APPLICATIONS Cellular Telephones Notebook, Palmtop Computers Battery Powered Systems PCMCIA Regulator Bar Code Scanners Camcorders, Cameras GENERAL DESCRIPTION The ADP3330 is a member of the ADP330x family of precision low dropout anyCAP voltage regulators. The ADP3330 operates with an input voltage range of 2.9 V to 12 V and delivers a load current up to 200 mA. The ADP3330 stands out from the con- ventional 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 0.47 µF output capacitor for stability. This device is insensitive to output capacitor Equivalent Series Resistance (ESR), and is stable with any good quality capaci- tor, including ceramic (MLCC) types for space-restricted applications. The ADP3330 achieves exceptional accuracy of ±0.7% at room temperature and ±1.4% over temperature, line and load variations. The dropout voltage of the ADP3330 is only 140 mV (typical) at 200 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 2 µA. The ADP3330 has ultralow quiescent current 34 µA (typ) in light load situations. anyCAP and Chip-on-Lead are trademarks of Analog Devices, Inc. VOUT VIN + – ADP3330 NR OUT ERR ON OFF SD GND IN COUT 0.47 F CIN 0.47 F + – Figure 1. Typical Application Circuit The SOT-23-6 package has been thermally enhanced using Analog Devices’ proprietary Chip-on-Lead feature to maximize power dissipation. |
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