|Category||Power Management => Regulators => Linear Regulators|
|Description||High Accuracy Anycap 200 ma Low Dropout Linear Regulator|
|Datasheet||Download ADP3303AR-27 datasheet
High Accuracy anyCAPTM 200 mA Low Dropout Linear Regulator ADP3303
FEATURES High Accuracy Over Line and Load C, 1.4% Over Temperature Ultralow Dropout Voltage: 180 mV (Typ) 200 mA Requires Only 0.47 F for Stability anyCAP = Stable with All Types of Capacitors (Including MLCC) 12 V Supply Range Current and Thermal Limiting Low Noise Dropout Detector Low Shutdown Current: 1 A Thermally Enhanced SO-8 Package Excellent Line and Load Regulation Performance APPLICATIONS Cellular Telephones Notebook, Palmtop Computers Battery Powered Systems Portable Instruments Post Regulator for Switching Supplies Bar Code Scanners
The is a member of the ADP330x family of precision low dropout anyCAP voltage regulators. The ADP3303 stands out from the conventional LDOs with a novel architecture, an enhanced process and a new package. Its patented design requires only 0.47 µF output capacitor for stability. This device is insensitive to capacitor Equivalent Series Resistance (ESR) and is stable with any good quality capacitor, including ceramic types (MLCC) for space restricted applications. The ADP3303 achieves exceptional accuracy 0.8% at room temperature and ± 1.4% overall accuracy over temperature, line and load regulations. The dropout voltage of the ADP3303 is only 180 mV (typical) at 200 mA. In addition to the new architecture and process, ADI's new proprietary thermally enhanced package (Thermal Coastline) can handle W of power dissipation without external heatsink or large copper surface on the PC board. This keeps PC board real estate to a minimum and makes the ADP3303 very attractive for use in portable equipment. The ADP3303 operates with a wide input voltage range from 12 V and delivers a load current in excess of 200 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: ADP3300 (50 mA, ADP3301 (100 mA) ADP3302 (100 mA, Dual Output) ADP3307 (100 mA, ADP3308 (50 mA, ADP3309 (100 mA, SOT-23-5)
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. 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., 1998LINE REGULATION LOAD REGULATION GROUND CURRENT GROUND CURRENT IN DROPOUT VOLTAGE
SHUTDOWN THRESHOLD SHUTDOWN PIN INPUT CURRENT GROUND CURRENT IN SHUTDOWN MODE
OUTPUT CURRENT IN SHUTDOWN MODE ERROR PIN OUTPUT LEAKAGE ERROR PIN OUTPUT "LOW" VOLTAGE PEAK LOAD CURRENT OUTPUT NOISE 5 V OUTPUT
NOTES 1 Ambient temperature +85 °C corresponds to a typical junction temperature +125 °C under typical full load test conditions. Specifications subject to change without notice.
Input Supply Voltage. +16 V Shutdown Input Voltage. +16 V Error Flag Output Voltage. +16 V Noise Bypass Pin Voltage. +5 V Power Dissipation. Internally Limited Operating Ambient Temperature Range. to +85°C Operating Junction Temperature Range. to +125°C JA. 96°C/W JC. 55°C/W Storage Temperature Range. to +150°C Lead Temperature Range (Soldering 10 sec). +300°C Vapor Phase (60 sec). +215°C Infrared (15 sec). +220°C
*This is a stress rating only; operation beyond these limits can cause the device to be permanently damaged.
Function Output of the Regulator. Bypass to ground with µF or larger capacitor. Pins 1 and 2 must be connected together for proper operation. Noise Reduction Pin. Used for reduction of the output noise. (See text for details.) No connection if not used. Ground Pin. Active Low Shutdown Pin. Connect to ground to disable the regulator output. When shutdown is not used, this pin should be connected to the input pin. Open Collector Output. Goes low to indicate that the output is about to go out of regulation. Regulator Input. Pins 7 and 8 must be connected together for proper operation.Contact the factory for the availability of other output voltage options. *SO = Small Outline.
Comments High Accuracy High Accuracy Dual Output Small Size Improved LP2980 Improved MIC5205
NOTES 1 See individual data sheets for detailed ordering information. SO = Small Outline, SOT = Surface Mount.
CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the ADP3303 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality.
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