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LM3421 Datenblatt(PDF) 4 Page - National Semiconductor (TI) |
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LM3421 Datenblatt(HTML) 4 Page - National Semiconductor (TI) |
4 / 24 page Absolute Maximum Ratings (Notes 1, 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. V IN, EN, RPD, nDIM -0.3V to 76.0V -1mA continuous OVP, HSP, HSN, LRDY, FLT, DPOL -0.3V to 76.0V -100µA continuous RCT -0.3V to 76.0V -1mA to +5mA continuous IS -0.3V to 76.0V -2V for 100ns -1mA continuous V CC -0.3V to 8.0V TIMR -0.3V to 7.0V -100µA to +100µA Continuous COMP, CSH -0.3V to 6.0V -200µA to +200µA Continuous GATE, DDRV -0.3V to V CC -2.5V for 100ns V CC+2.5V for 100ns -1mA to +1mA continuous PGND -0.3V to 0.3V -2.5V to 2.5V for 100ns Maximum Junction Temperature (Internally Limited) 165°C Storage Temperature Range −65°C to +150°C Maximum Lead Temperature (Soldering) (Note 5) 300°C Continuous Power Dissipation (Notes , 4) Internally Limited ESD Susceptibility (Note 6) Human Body Model 2kV Machine Model 200V Charge Device Model 500V Operating Conditions (Notes 1, 2) Operating Junction Temperature Range (Note 7) −40°C to +150°C Input Voltage V IN 4.5V to 75V Electrical Characteristics (Note 2) Specifications in standard type face are for T J = 25°C and those with boldface type apply over the full Operating Temperature Range ( T J = −40°C to +125°C). Minimum and Maximum limits are guaranteed through test, design, or statistical correlation. Typical values represent the most likely parametric norm at T J = +25°C, and are provided for reference purposes only. Unless otherwise stated the following condition applies: V IN = +14V. Symbol Parameter Conditions Min (Note 7) Typ (Note 8) Max (Note 7) Units STARTUP REGULATOR V CCREG V CC Regulation I CC = 0mA 6.30 6.90 7.35 V I CCLIM V CC Current Limit V CC = 0V 20 25 mA I Q Quiescent Current EN = 3.0V, Static 2 3 I SD Shutdown Current EN = 0V 0.1 1.0 µA V CC SUPPLY V CCUV V CC UVLO Threshold V CC Increasing 4.17 4.50 V V CC Decreasing 3.70 4.08 V CCHYS V CC UVLO Hysteresis 0.1 EN THRESHOLDS EN ST EN Startup Threshold EN Increasing 1.75 2.40 V EN Decreasing 0.80 1.63 EN STHYS EN Startup Hysteresis 0.1 R EN EN Pulldown Resistance EN = 1V 0.45 0.82 1.30 M Ω CSH THRESHOLDS CSH High Fault CSH Increasing 1.6 V CSH Low Condition on LRDY Pin (LM3423 only) CSH increasing 1.0 OV THRESHOLDS OVP CB OVP OVLO Threshold OVP Increasing 1.185 1.240 1.285 V OVP HYS OVP Hysteresis Source Current OVP Active (high) 20 23 25 µA DPOL THRESHOLDS DPOL THRESH DPOL Logic Threshold DPOL Increasing 2.0 2.3 2.6 V www.national.com 4 |
Ähnliche Teilenummer - LM3421 |
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Ähnliche Beschreibung - LM3421 |
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