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ADP3307 Datasheet(PDF) 1 Page - Analog Devices |
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ADP3307 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 which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a ADP3307 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., 1997 High Accuracy anyCAP™ 100 mA Low Dropout Linear Regulator FUNCTIONAL BLOCK DIAGRAM THERMAL PROTECTION DRIVER GM CC IN ADP3307 OUT R1 R2 NR GND Q1 ERR SD BANDGAP REF Q2 VOUT = +3.3V VIN + – ADP3307-3.3 NR OUT ERR ON OFF SD GND R1 330k IN EOUT C2 0.47 F C1 0.47 F Figure 1. Typical Application Circuit FEATURES 0.8% Accuracy Over Line and Load Regulations @ +25 C Ultralow Dropout Voltage: 120 mV Typical @ 100 mA Requires only CO = 0.47 F for Stability anyCAP = Stable with All Types of Output Capacitors (Including MLCC) Current and Thermal Limiting Low Noise Dropout Detector Low Shutdown Current: 1 A 3.0 V to 12 V Supply Range –20 C to +85 C Ambient Temperature Range Several Fixed Voltage Options Ultrasmall SOT-23-6 (RT-6) Package Excellent Line and Load Regulations APPLICATIONS Cellular Telephones Notebook, Palmtop Computers Battery Powered Systems PCMCIA Regulator Bar Code Scanners Camcorders, Cameras GENERAL DESCRIPTION The ADP3307 is a member of the ADP330x family of precision low dropout anyCAP voltage regulators. The ADP3307 stands out from the conventional LDOs with a novel architecture and an enhanced process. Its patented design requires only a 0.47 µF output capacitor for stability. This device is stable with any type of capacitor regardless of its ESR (Equivalent Series Resistance) value, including ceramic types (MLCC) for space restricted applications. The ADP3307 achieves exceptional accuracy of ±0.8% at room temperature and ±1.4% overall accuracy over temperature, line and load regulations. The dropout voltage of the ADP3307 is only 120 mV (typical) at 100 mA. The ADP3307 operates with a wide input voltage range from 3.0 V to 12 V and delivers a load current in excess of 100 mA. It features an error flag that signals when the device is about to lose regulation or when the short circuit or thermal overload protection is activated. Other features include shutdown and optional noise reduction capabilities. The ADP330x anyCAP LDO family offers a wide range of output voltages and output current levels from 50 mA to 300 mA: ADP3300 (50 mA, SOT-6) ADP3307 (100 mA, SOT) ADP3301 (100 mA, SO-8) ADP3302 (100 mA, Dual Output) ADP3303 (200 mA) ADP3306 (300 mA) anyCAP is a trademark of Analog Devices, Inc. |
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