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LM2941T Arkusz danych(PDF) 1 Page - Texas Instruments |
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LM2941T Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 26 page ON/OFF GND INPUT N/C ADJ GND N/C OUTPUT 1 3 4 2 6 5 7 8 GND* * TIE TO GND OR LEAVE FLOATING LM2941, LM2941C www.ti.com SNVS770G – JUNE 1999 – REVISED APRIL 2013 LM2941/LM2941C 1A Low Dropout Adjustable Regulator Check for Samples: LM2941, LM2941C 1 FEATURES DESCRIPTION The LM2941 positive voltage regulator features the 2 • WSON Space Saving Package ability to source 1A of output current with a typical • Output Voltage Adjustable From 5V to 20V dropout voltage of 0.5V and a maximum of 1V over • Dropout Voltage Typically 0.5V @ IO = 1A the entire temperature range. Furthermore, a quiescent current reduction circuit has been included • Output Current in Excess of 1A which reduces the ground pin current when the • Trimmed Reference Voltage differential between the input voltage and the output • Reverse Battery Protection voltage exceeds approximately 3V. The quiescent current with 1A of output current and an input-output • Internal Short Circuit Current Limit differential of 5V is therefore only 30mA. Higher • Mirror Image Insertion Protection quiescent currents only exist when the regulator is in • P+ Product Enhancement Tested the dropout mode (VIN − VOUT ≤ 3V). • TTL, CMOS Compatible ON/OFF Switch Designed also for vehicular applications, the LM2941 and all regulated circuitry are protected from reverse battery installations or two-battery jumps. During line transients, such as load dump when the input voltage can momentarily exceed the specified maximum operating voltage, the regulator will automatically shut down to protect both the internal circuits and the load. Familiar regulator features such as short circuit and thermal overload protection are also provided. Connection Diagrams TO-220 Plastic Package 8-Lead WSON Surface Mount Package Figure 1. Top View See Package Number KC TO-263 Surface-Mount Package Figure 3. Top View See Package Number NGN Figure 2. See Package Number KTT 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 1999–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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