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LM2930 데이터시트(PDF) 1 Page - National Semiconductor (TI) |
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LM2930 데이터시트(HTML) 1 Page - National Semiconductor (TI) |
1 / 8 page LM2930 3-Terminal Positive Regulator General Description The LM2930 3-terminal positive regulator features an ability to source 150 mA of output current with an input-output dif- ferential of 0.6V or less. Efficient use of low input voltages obtained, for example, from an automotive battery during cold crank conditions, allows 5V circuitry to be properly pow- ered with supply voltages as low as 5.6V. Familiar regulator features such as current limit and thermal overload protec- tion are also provided. Designed originally for automotive applications, the LM2930 and all regulated circuitry are protected from reverse battery installations or 2 battery jumps. During line transients, such as a load dump (40V) when the input voltage to the regulator can momentarily exceed the specified maximum operating voltage, the regulator will automatically shut down to protect both internal circuits and the load. The LM2930 cannot be harmed by temporary mirror-image insertion. Fixed outputs of 5V and 8V are available in the plastic TO-220 and TO-263 power packages. Features n Input-output differential less than 0.6V n Output current in excess of 150 mA n Reverse battery protection n 40V load dump protection n Internal short circuit current limit n Internal thermal overload protection n Mirror-image insertion protection n P + Product Enhancement tested Voltage Range LM2930T-5.0: 5V LM2930T-8.0: 8V LM2930S-5.0: 5V LM2930S-8.0: 8V Connection Diagrams (TO-220) Plastic Package DS005539-1 Front View Order Number LM2930T-5.0 or LM2930T-8.0 See NS Package Number T03B (TO-263) Plastic Surface-Mount Package DS005539-7 Top View DS005539-8 Side View Order Number LM2930S-5.0 or LM2930S-8.0 See NS Package Number TS3B April 1998 © 1998 National Semiconductor Corporation DS005539 www.national.com |
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