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LM2941CT Datasheet(PDF) 1 Page - Texas Instruments |
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LM2941CT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 30 page IN OUT GND CIN 470 nF COUT 22 µF VIN 6 V to 26 V VOUT 5 V to 20 V ON/OFF ADJ R1 R2 LM2941 LOAD Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM2941, LM2941C SNVS770I – JUNE 1999 – REVISED JANUARY 2015 LM2941x 1-A Low Dropout Adjustable Regulator 1 Features 3 Description The LM2941 positive voltage regulator features the 1 • Operating VIN Range: 6 V to 26 V ability to source 1 A of output current with a typical • Output Voltage Adjustable From 5 V to 20 V dropout voltage of 0.5 V and a maximum of 1 V over • Dropout Voltage Typically 0.5 V at IOUT = 1 A the entire temperature range. Furthermore, a quiescent current reduction circuit has been included • Output Current in Excess of 1 A 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 3 V. The quiescent current with 1 A of output current and an input-output • Internal Short-Circuit Current Limit differential of 5 V is therefore only 30 mA. Higher • Mirror Image Insertion Protection quiescent currents only exist when the regulator is in • P+ Product Enhancement Tested the dropout mode (VIN − VOUT ≤ 3 V). • TTL, CMOS Compatible ON/OFF Switch Designed also for vehicular applications, the LM2941 • WSON Space-Saving Package and all regulated circuitry are protected from reverse battery installations or two-battery jumps. During line 2 Applications transients, such as load dump when the input voltage can momentarily exceed the specified maximum • Industrial operating voltage, the regulator will automatically shut • Automotive down to protect both the internal circuits and the load. Familiar regulator features such as short circuit and thermal overload protection are also provided. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) WSON (8) 4.00 mm x 4.00 mm TO-263 (5) 10.16 mm x 8.42 mm LM2941 TO-220 (5) 14.986 mm x 10.16 mm TO-220 (5) 10.16 mm x 8.51 mm TO-263 (5) 10.16 mm x 8.42 mm LM2941C TO-220 (5) 14.986 mm x 10.16 mm TO-220 (5) 10.16 mm x 8.51 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. Simplified Schematic 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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