LM2937 Unisonic Technologies, LM2937 Datasheet
LM2937
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LM2937 Summary of contents
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... LM2937 includes special compensation circuitry that relaxes ESR requirements. The UTC LM2937 is stable for all ESR below 3Ω.This allows the use of low ESR chip capacitors. Ideally suited for automotive applications, the UTC LM2937 will ...
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... TA3: TO-220, TQ2: TO-263, TQ3: TO-263- TO-263-5 (3) xx: refer to Marking Information (4) L: Lead Free Plating, Blank: Pb/Sn PIN NAME Input GND Output N/C ON/OFF MARKING UTC LM2937 VOLTAGECODE 1 UTC LM2937 VOLTAGE CODE LEAD PLATING DATE CODE 2 3 LEAD PLATING DATE CODE QW-R102-012.F ...
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... T ambient thermal resistance. If this dissipation is exceeded, the die temperature will rise above 125 ° C and the electrical specifications do not apply. If the die temperature rises above 150 ° C, the LM2937 will go into thermal shutdown. THERMAL DATA ...
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... Quiescent Current Output Noise Voltage Long Term Stability Dropout Voltage Short Circuit Current Peak Line Transient Voltage Reverse DC Input Voltage Reverse Transient Input Voltage For LM2937-12.0V PARAMETER Output Voltage Line Regulation Load Regulation Quiescent Current Output Noise Voltage Long Term Stability ...
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... LM2937 ELECTRICAL CHARACTERISTICS (Cont.) For LM2937-15.0V PARAMETER Output Voltage Line Regulation Load Regulation Quiescent Current Output Noise Voltage Long Term Stability Dropout Voltage Short Circuit Current Peak Line Transient Voltage Reverse DC Input Voltage Reverse Transient Input Voltage ON/OFF CONTROL (For 5 pins only) ...
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... The equivalent series resistance, ESR, of this capacitor may be as high as 3Ω. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com. UTC LM2937- μ UTC LM2937- N/C μ ON/OFF LINEAR INTEGRATED CIRCUIT V OUT REGULATED OUTPUT C ** OUT μ ...
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... LM2937 TYPICAL CHARACTERISTICS Dropout Voltage vs Output Current 0.9 T =25℃ J 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0 100 200 Output Current (mA) Output Voltage vs Temperature 5.10 R =100Ω L 5.08 5.06 5.04 5.02 5.00 4.98 4.96 4.94 4.92 4.90 0 -40 40 Temperature (℃) Quiescent Current vs Input Voltage 100 V =5V OUT 90 T =25℃ 0. 0.25A 20 0.05A Input Voltage (V) UNISONIC TECHNOLOGIES CO ...
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... LM2937 TYPICAL CHARACTERISTICS(Cont.) Line Transient Response 40 I OUT 20 V OUT T =25℃ - - Time (μs) Ripple Rejection V =10V OUT C =10 F μ OUT 70 I =50mA OUT 100 1K Frequency (Hz) Low Voltage Behavior 14 I =500mA OUT T =25℃ ...
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... LM2937 TYPICAL CHARACTERISTICS(Cont.) Output at Voltage Extremes 12 R =100Ω -20 -10 0 -30 10 Input Voltage (V) Output Impedance 10 1.0 0.1 0. 100 Frequency (Hz) Peak Output Current 1.5 V =14V IN 1.0 0 -40 Temperature (℃) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com. =10V OUT =8V OUT 8 V =5V ...
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... LM2937 UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury ...