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LM2936Z-3.3 bảng dữ liệu(PDF) 1 Page - National Semiconductor (TI) |
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LM2936Z-3.3 bảng dữ liệu(HTML) 1 Page - National Semiconductor (TI) |
1 / 15 page LM2936 Ultra-Low Quiescent Current LDO Voltage Regulator General Description The LM2936 ultra-low quiescent current regulator features low dropout voltage and low current in the standby mode. With less than 15 µA quiescent current at a 100 µA load, the LM2936 is ideally suited for automotive and other battery operated systems. The LM2936 retains all of the features that are common to low dropout regulators including a low dropout PNP pass device, short circuit protection, reverse battery protection, and thermal shutdown. The LM2936 has a 40V maximum operating voltage limit, a −40˚C to +125˚C operating temperature range, and ±3% output voltage toler- ance over the entire output current, input voltage, and tem- perature range. The LM2936 is available in a TO-92 pack- age, SO-8 and SOT–23 surface mount packages, and a TO-252 surface mount power package. Features n Ultra low quiescent current (I Q ≤ 15 µA for I O = 100 µA) n Fixed 3.0V, 3.3V or 5.0V with 50 mA output n ± 2% Initial output tolerance n ± 3% Output tolerance over line, load, and temperature n Dropout voltage typically 200 mV @ I O =50mA n Reverse battery protection n −50V reverse transient protection n Internal short circuit current limit n Internal thermal shutdown protection n 40V operating voltage limit n 60V operating voltage limit for LM2936HV n Shutdown Pin available with LM2936BM package Typical Application 00975901 * Required if regulator is located more than 2" from power supply filter capacitor. ** Required for stability. See Electrical Characteristics for required values. Must be rated over intended operating temperature range. Effective series resistance (ESR) is critical, see curve. Locate capacitor as close as possible to the regulator output and ground pins. Capacitance may be increased without bound. October 2006 © 2006 National Semiconductor Corporation DS009759 www.national.com |
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