LP5952TL-0.7 NSC [National Semiconductor], LP5952TL-0.7 Datasheet
LP5952TL-0.7
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LP5952TL-0.7 Summary of contents
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LP5952 350mA Dual Rail Linear Regulator General Description The LP5952 is a Dual Supply Rail Linear Regulator optimized for powering ultra-low voltage circuits from a single Li-Ion cell or 3 cell NiMH/NiCd batteries. In the typical post regulation application V ...
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Connection Diagrams FIGURE 3: Connection Diagram 5-Bump Thin Micro SMD Package, Large Bump, 0.5mm Pitch Note: The actual physical placement of the package marking will vary from part to part. The package marking “X” designates the date code. “T” is ...
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... Bias input voltage; input range: 2.5V to 5.5V C1 BATT Enable pin logic input: low = shutdown, high = active, normal operation. This pin should not be left C3 EN floating. Tie to V Order Information Output Voltage LP5952 Supplied as 250 Units, (V) Tape and Reel, lead free 0.7 LP5952TL-0.7 1.2 LP5952TL-1.2 1.3 LP5952TL-1.3 1.4 LP5952TL-1.4 1.5 LP5952TL-1.5 1.6 LP5952TL-1.6 1.8 LP5952TL-1.8 2 ...
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Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications pins: Voltage to GND, IN BATT ≤ BATT V pin to V ...
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Symbol Parameter PSRR Power Supply Rejection Ratio Quiescent Currents Symbol Parameter I Current into V Q_VBATT BATT I Current into V Q_VIN IN Shutdown Currents Symbol Parameter I Current into V Q_VBATT BATT I Current into V Q_VIN IN Enable ...
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Transient Characteristics Symbol Parameter Dynamic Line Transient ΔV OUT Response V IN Dynamic Line Transient ΔV OUT Response V BATT Dynamic Load Transient ΔV OUT Response T Startup Time STARTUP Input and Output Capacitors, Recommended Specification Symbol Parameter C Output ...
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Block Diagram FIGURE 5: Block Diagram 7 20208505 www.national.com ...
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Typical Performance Characteristics ceramic 1V OUT(NOM) BATT Load Transient Response, 0.7V Option Line Transient Response V Enable Start-up Time, 0.7V Option www.national.com Unless otherwise specified 1.5V 25°C, Enable ...
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Output Voltage Change vs Temperature Inrush Current V , 1.5V Option IN Ground Current BATT IN Dropout V vs Temperature 20208515 Quiescent Current I 20208517 Ground Current vs Load Current 20208519 9 = 350mA ...
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Power Supply Rejection Ratio V www.national.com , 1.5V Option Power Supply Rejection Ratio V IN 20208520 10 , 1.5V Option BATT 20208521 ...
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Application Hints DUAL RAIL SUPPLY The LP5952 requires two different supply voltages: •V , the power input voltage, is regulated to the fixed output IN voltage •V , the bias input voltage, supplies internal circuitry. BATT It's important that V ...
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OUTPUT CAPACITOR The LP5952 is designed specifically to work with very small ceramic output capacitors. A ceramic capacitor (dielectric types X7R, Z5U, or Y5V) in the 2.2µF range (up to 10µF) and with an ESR between 3mΩ to 300mΩ is ...
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FAST TURN ON Fast turn-on is guaranteed by an optimized architecture al- lowing a fast ramp of the output voltage to reach the target voltage while the inrush current is controlled low at 120mA typical (for 2.2µF). ...
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Physical Dimensions For most accurate revision please refer to www.national.com/packaging/parts/ www.national.com inches (millimeters) unless otherwise noted NS Package Number TLA05Z1A X1 = 955 µm ±30µ 1335µm ±30µ 600µm ±75µm 5-Bump Thin Micro SMD Package, Large Bump ...
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Notes 15 www.national.com ...
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THE CONTENTS OF THIS DOCUMENT ARE PROVIDED IN CONNECTION WITH NATIONAL SEMICONDUCTOR CORPORATION (“NATIONAL”) PRODUCTS. NATIONAL MAKES NO REPRESENTATIONS OR WARRANTIES WITH RESPECT TO THE ACCURACY OR COMPLETENESS OF THE CONTENTS OF THIS PUBLICATION AND RESERVES THE RIGHT TO MAKE ...