HomedatasheetLP2952IM-3.3/NOPB

LP2952IM-3.3/NOPB Datasheet

LDO Voltage Regulators
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Description

The LP2952( LP2952IM-3.3/NOPB ) and LP2953 are micropower voltage regulators with very low quiescent current (130 µA typical at 1 mA load) and very low dropout voltage (typ. 60 mV at light load and 470 mV at 250 mA load current). They are ideally suited for battery-powered systems. Furthermore, the quiescent current increases only slightly at dropout, which prolongs battery life. The LP2952 and LP2953 retain all the desirable characteristics of the LP2951, but offer increased output current, additional features, and an improved shutdown function. The internal crowbar pulls the output down quickly when the shutdown is activated. The error flag goes low if the output voltage drops out of regulation. Reverse battery protection is provided. The internal voltage reference is made available for external use, providing a low-T.C. reference with very good line and load regulation. The parts are available in DIP and surface mount packages. LP2952IM-3.3/NOPB Features • Output voltage adjusts from 1.23V to 29V• Guaranteed 250 mA output current• Extremely low quiescent current• Low dropout voltage• Extremely tight line and load regulation• Very low temperature coefficient• Current and thermal limiting• Reverse battery protection• 50 mA (typical) output pulldown crowbar• 5V and 3.3V versions available LP2952IM-3.3/NOPB Applications • High-efficiency linear regulator• Regulator with under-voltage shutdown• Low dropout battery-powered regulator• Snap-ON/Snap-OFF regulator
Features

Parameters

[{"Name":" Input Voltage MAX:","Value":"30 V"},{"Name":"Output Voltage:","Value":"3.3 V"},{"Name":" Dropout Voltage (Max):","Value":"0.1 V at 1 mA, 0.3 V at 50 mA, 0.4 V at 100 mA, 0.6 V at 250 mA"},{"Name":"Output Current:","Value":"0.25 A"},{"Name":"Load Regulation:","Value":"0.2 %"},{"Name":"Number of Outputs:","Value":"1"},{"Name":"Maximum Operating Temperature:","Value":"+ 125 C"},{"Name":"Minimum Operating Temperature:","Value":"- 40 C"},{"Name":" Reference Voltage:","Value":"1.255 V"},{"Name":"","Value":""}]

Manufacturer information

SEIKO INSTRUMENTS

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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