LP2950CZ-3.3 Datasheet

PMIC - Voltage Regulators - Linear (LDO)


The LP2950CZ-3.3 is micropower voltage regulators with very low quiescent current (75 pA typ.) and very low dropout voltage (typ. 40 mV at light loads and 380 mV at 100 mA). They are ideally suited for use in battery-powered systems. Furthermore, the quiescent current of the LP2950CZ-3.3 increases only slightly in dropout, prolonging battery life. The LP2950CZ-3.3 is available in the surface-mount PFM package, and in the popular 3-pin TO-92 package for pin-compatibility with older 5V regulators. The 8-lead LP2950CZ-3.3 is available in plastic, ceramic dual-in-line, WSON, or metal can packages and offers additional system functions. One such feature is an error flag output which warns of a low output voltage, often due to falling batteries on the input. It may be used for a power-on reset. A second feature is the logic-compatible shutdown input which enables the regulator to be switched on and off. Also, the part may be pin-strapped for a 5V, 3V,or 3.3V output (depending on the version), or programmed from 1.24V to 29V with an external pair of resistors. LP2950CZ-3.3 Features • 5V, 3V, and 3.3V Versions Available• High Accuracy Output Voltage• Ensured 100 mA Output Current• Extremely Low Quiescent Current• Low Dropout Voltage• Extremely Tight Load and Line Regulation• Very Low Temperature Coefficient• Use as Regulator or Reference• Needs Minimum Capacitance for Stability• Current and Thermal Limiting• Stable With Low-ESR Output Capacitors (10mil to 60) LP2950CZ-3.3 Application • Error Flag Warns of Output Dropout• Logic-Controlled Electronic Shutdown• Output Programmable From 1.24 to 29V


[{"Name":"Voltage - Input","Value":"Up to 30V"},{"Name":"Voltage - Output","Value":"3.3V"},{"Name":"Voltage - Dropout (Typical)","Value":"0.38V @ 100mA"},{"Name":"Current - Output","Value":"100mA"},{"Name":"Operating Temperature","Value":"-40°C ~ 125°C"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information


Seiko Instruments Inc. Is a Japanese company which head office is located in 8, Nakase 1-chome, Mihama-ku, Chiba-shi, Chiba 261-8507, Japan . It’s business lines are: Watches Business Watches, Watch Movements Electronic Components Business Quartz crystals, Micro batteries, etc. Precision Mechatronics Business Inkjet printer heads, Hard disk components, Thermal printers, Compact precision components, Machine tools, FA, Musical instrument accessories, Radiation detection and measurement systems, etc.

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