LP2953IM-3.3

LP2953IM-3.3, Adjustable Micropower Low-Dropout Voltage Regulator, SOP, -20V to +30V, 250 mA, National Semiconductor

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Price:: US $0.15~2.40 / piece [Get Latest Price]

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	US $0.15~2.40

PartNumber:: LP2953IM-3.3

Brand:: National Semiconductor - NS | Pack: SOP | D/C: 12+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2012-10-09

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Part Number:LP2953IM-3.3
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Product Summary

The LP2953IM-3.3 is a micropower voltage regulator 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). The device is ideally suited for battery-powered systems. Furthermore, the quiescent current increases only slightly at dropout, which prolongs battery life. The LP2953IM-3.3 retains 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 applications of the LP2953IM-3.3 include High-efficiency linear regulator, Regulator with under-voltage shutdown, Low dropout battery-powered regulator, Snap-ON/Snap-OFF regulator.

Parametrics

LP2953IM-3.3 absolute maximum ratings: (1)Storage Temperature Range: -65℃ ≤ TA ≤ +150℃; (2)Operating Temperature Range: -40℃ ≤ TJ ≤ +125℃; (3)Lead Temp (Soldering, 5 seconds): 260℃; (4)Power Dissipation (Note 2): Internally Limited; (5)Input Supply Voltage: -20V to +30V; (6)Feedback Input Voltage (Note 3): -0.3V to +5V; (7)Comparator Input Voltage (Note 4): -0.3V to +30V; (8)Shutdown Input Voltage (Note 4): -0.3V to +30V; (9)Comparator Output Voltage (Note4): -0.3V to +30V; (10)ESD Rating (Note 15): 2 kV.

Features

LP2953IM-3.3 features: (1)Output voltage adjusts from 1.23V to 29V; (2)Guaranteed 250 mA output current; (3)Extremely low quiescent current; (4)Low dropout voltage; (5)Extremely tight line and load regulation; (6)Very low temperature coefficient; (7)Current and thermal limiting; (8)Reverse battery protection; (9)50 mA (typical) output pulldown crowbar; (10)5V and 3.3V versions available.