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AMS2954CM-33 Datasheet(PDF) 1 Page - Advanced Monolithic Systems |
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AMS2954CM-33 Datasheet(HTML) 1 Page - Advanced Monolithic Systems |
1 / 15 page Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140 Advanced AMS2954 Monolithic 250mA LOW DROPOUT VOLTAGE REGULATOR Systems FEATURES APPLICATIONS •• 2.5V, 3.0V, 3.3V and 5.0V Versions •• Battery Powered Systems •• High Accuracy Output Voltage •• Portable Consumer Equipment •• Extremely Low Quiescent Current •• Cordless Telephones •• Low Dropout Voltage •• Portable (Notebook) Computers •• Extremely Tight Load and Line Regulation •• Portable Instrumentation •• Very Low Temperature Coefficient •• Radio Control Systems •• Current and Thermal Limiting •• Automotive Electronics •• Needs Minimum Capacitance (1µµF) for Stability •• Avionics •• Unregulated DC Positive Transients 60V •• Low-Power Voltage Reference ADDITIONAL FEATURES (ADJ ONLY) •• 1.24V to 29V Programmable Output •• Error Flag Warning of Voltage Output Dropout •• Logic Controlled Electronic Shutdown GENERAL DESCRIPTION The AMS2954 series are micropower voltage regulators ideally suited for use in battery-powered systems. These devices feature very low quiescent current (typ.75µA), and very low dropout voltage (typ.50mV at light loads and 380mV at 250mA) thus prolonging battery life. The quiescent current increases only slightly in dropout. The AMS2954 has positive transient protection up to 60V and can survive unregulated input transient up to 20V below ground. The AMS2954 was designed to include a tight initial tolerance (typ. 0.5%), excellent load and line regulation (typ. 0.05%), and a very low output voltage temperature coefficient, making these devices useful as a low-power voltage reference. The AMS2954 is available in the 3L TO-220 package, 3L TO-263, SOT-223, TO-252 and in 8-pin plastic SOIC and DIP packages. In the 8L SOIC and PDIP packages the following additional features are offered: an error flag output warns of a low output voltage, often due to failing batteries on input; the logic-compatible shutdown input enables the regulator to be switched on and off; the device may be pin-strapped for a, 2.5, 3.0V, 3.3V or 5V output, or programmed from 1.24V to 29V with an external pair of resistors. ORDERING INFORMATION PACKAGE TYPE OPERATING 3 LEAD TO-220 3 LEAD TO-263 TO-252 SOT-223 8 LEAD SOIC 8 LEAD PDIP TEMP. RANGE AMS2954ACT-X AMS2954ACM-X AMS2954ACD-X AMS2954AC-X AMS2954ACS-X AMS2954CP-X IND. AMS2954CT-X AMS2954CM-X AMS2954CD-X AMS2954C-X AMS2954CS-X AMS2954CP-X IND X = 2.5V, 3.0V, 3.3V, 5.0V PIN CONNECTIONS 8L SOIC/ 8L PDIP 1 2 8 4 3 7 5 6 V TAP ERROR FEEDBACK OUTPUT SENSE SHUTDOWN INPUT GROUND Top View TAB IS GND TO-252 FRONT VIEW 1 2 3 1 2 3 TAB IS GND 1 2 3 TAB IS GND 3L TO-263 FRONT VIEW OUTPUT INPUT OUTPUT OUTPUT INPUT INPUT 3L TO-220 FRONT VIEW SOT-223 TOP VIEW INPUT GND OUTPUT GND GND 1 2 3 |
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Similar Description - AMS2954CM-33 |
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