lm2927 National Semiconductor Corporation, lm2927 Datasheet
lm2927
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lm2927 Summary of contents
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... LM2926 making it suitable for use in automo- tive and battery operated equipment. The LM2927 is electrically identical to the LM2926 but has a different pin-out. The LM2927 is pin-for-pin compatible with the L4947 and TLE4260 alternatives. The LM2926 is pin-for-pin compatible with the LM2925 ...
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Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Input Voltage Survival t = 100 Continuous Reset Output Sink Current ESD Susceptibility (Note ...
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... D JMAX A JA down. For the LM2926 and LM2927, the junction-to-ambient thermal resistance is 53˚C/W, and the junction-to-case thermal resistance is 3˚C/W. = 25˚C and represent the most likely parametric norm. Note 4: Typicals are Note 5: Limits are 100% guaranteed by production testing. ...
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Typical Performance Characteristics Supply Current DS010759-17 Dropout Voltage DS010759-20 Ripple Rejection DS010759-23 Line Transient Response DS010759-26 www.national.com (Continued) Quiescent Current DS010759-18 Output Current Limit DS010759-21 Ripple Rejection DS010759-24 Load Transient Response DS010759-27 4 Quiescent Current DS010759-19 Output Capacitor ESR DS010759-22 ...
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Typical Performance Characteristics Reset Delay DS010759-29 Typical Circuit Waveforms Applications Information EXTERNAL CAPACITORS The LM2926/7 output capacitor is required for stability. With- out it, the regulator output will oscillate at amplitudes as high as several volts peak-to-peak at frequencies up ...
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Applications Information lay capacitor. When the capacitor voltage increases 3.75V ( V ) from its discharged value, the reset output is DELAY again set HIGH. The delay time is calculated by: 6 ± The constant, 1 has ...
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Applications Information (Continued) the LM 2926/7 may fail to bring the processor under control. The LM2926/7 reset output may be more efficiently em- ployed in certain applications as a means of defeating memory WRITE lines, clocks, or external loads, rather ...
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Typical Applications (Continued) Using the Reset to De-Activate Power Loads. The LM1921 is a Fully Protected 1 Amp High-Side Driver. Using the Reset to Ensure an Accurate Display www.national.com Generating an Active High Reset Signal DS010759-12 on Power-Up or Power-Down ...
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... National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. 5-Lead TO-220 Outline Drawing Order Number LM2926T or LM2927T NS Package Number T05A 2 ...