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LP2950CT-3.0 Datasheet(PDF) 1 Page - Sipex Corporation |
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LP2950CT-3.0 Datasheet(HTML) 1 Page - Sipex Corporation |
1 / 13 page Now Available in Lead Free Packaging Rev. 8/10/01 LP2950/51 100mA Low Dropout Voltage Regulators ©Copyright 2001 Sipex Corporation 1 INPUT OUTPUT UNREGULATED DC SHUTDOWN GROUND ERROR ______ SENSE 5V @ 100mA MAX TO CMOS OR TTL REFERENCE ERROR DETECTION COMPARATOR ERROR AMPLIFIER 1.23V FROM CMOS OR TTL + + + + + + 60 mV 3 7 8 1 2 6 5 4 60k Ω 330k Ω 180k Ω . . 1 µF _ _ FEEDBACK 5V TAP LP2950/LP2951 100mA Low Dropout Voltage Regulators FEATURES APPLICATIONS • 5.0V and 3.3V Versions at 100mA Output • Battery Powered Systems • Very Low Quiescent Current • Cordless Telephones • Low Dropout Voltage: 380mV at 100mA • Radio Control Systems • Extremely Tight Load and Line Regulation • Portable/Palm Top/Notebook Computers • Very Low Temperature Coefficient • Portable Consumer Equipment • Current & Thermal Limiting • Portable Instrumentation • Need Only 1 µF for Stability • Avionics • Offered in TO-92 (LP2950) & SOIC (LP2951) • SMPS Post-Regulator • Direct Replacement For LP2950/LP2951 • Voltage Reference • Automotive Electronics LP2951 versions only • Error Flag Warns of Output Dropout • Logic-Controlled Electronic Shutdown • Output Programmable From 1.24 to 29V PRODUCT DESCRIPTION The LP2950 and LP2951 are low power voltage regulators. These devices are an excellent choice for use in battery-powered applications such as cordless telephones, radio control systems, and portable computers. The LP2950 and LP2951 feature low quiescent current and low dropout voltage (typ. 50mV at light load and 380 mV at 100mA). This includes a tight initial tolerance (0.5% typ.), extremely good load and line regulation (0.05% typ.), and very low output temperature coefficient (20 ppm/¡C typ.), making the LP2950/LP2951 useful as a low-power voltage reference. The error flag output feature is used as a power-on reset for warning of a low output voltage, due to a falling input voltage. The logic- compatible shutdown feature enables the regulator to be switched ON and OFF. The LP2950 is offered in a 3-pin TO-92 package compatible with other 5V, 3.3V regulators. The LP2951 is available in an 8-lead SOIC package. Block diagram of LP2951 |
Similar Part No. - LP2950CT-3.0 |
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Similar Description - LP2950CT-3.0 |
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