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LF311 Datasheet

Part Number LF311
Manufacturers National Semiconductor
Logo National Semiconductor
Description Voltage Comparators
Datasheet LF311 DatasheetLF311 Datasheet (PDF)

LF111 LF211 LF311 Voltage Comparators November 1994 LF111 LF211 LF311 Voltage Comparators General Description The LF111 LF211 and LF311 are FET input voltage comparators that virtually eliminate input current errors Designed to operate over a 5 0V to g15V range the LF111 can be used in the most critical applications The extremely low input currents of the LF111 allows the use of a simple comparator in applications usually requiring input current buffering Leakage testing long time delay circu.

  LF311   LF311






Part Number LF31xRW
Manufacturers MicroPower Direct
Logo MicroPower Direct
Description LF300RE Series / DC/DC Converters
Datasheet LF311 DatasheetLF31xRW Datasheet (PDF)

m o .c U 4 t 3W SMT Wide Input, e eDual Output Single & h S a DC/DC Converters at Electrical Specifications .D w Key wFeatures: w Input Parameter LF300RW Series Specifications typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice. ● 3W Output Power ● UL Approved (File E245422) ● Wide 2:1 Inputs ● Miniature SMT Case ● Tight Line/Load Regulation ● 1,500 VDC Isolation ● -40ºC to +70ºC Operation ● 21 Standard Models ● 1..

  LF311   LF311







Part Number LF312RW
Manufacturers MicroPower Direct
Logo MicroPower Direct
Description LF300RE Series / DC/DC Converters
Datasheet LF311 DatasheetLF312RW Datasheet (PDF)

m o .c U 4 t 3W SMT Wide Input, e eDual Output Single & h S a DC/DC Converters at Electrical Specifications .D w Key wFeatures: w Input Parameter LF300RW Series Specifications typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice. ● 3W Output Power ● UL Approved (File E245422) ● Wide 2:1 Inputs ● Miniature SMT Case ● Tight Line/Load Regulation ● 1,500 VDC Isolation ● -40ºC to +70ºC Operation ● 21 Standard Models ● 1..

  LF311   LF311







Voltage Comparators

LF111 LF211 LF311 Voltage Comparators November 1994 LF111 LF211 LF311 Voltage Comparators General Description The LF111 LF211 and LF311 are FET input voltage comparators that virtually eliminate input current errors Designed to operate over a 5 0V to g15V range the LF111 can be used in the most critical applications The extremely low input currents of the LF111 allows the use of a simple comparator in applications usually requiring input current buffering Leakage testing long time delay circuits charge measurements and high source impedance voltage comparisons are easily done Further the LF111 can be used in place of the LM111 eliminating errors due to input currents See the ‘‘application hints’’ of the LM311 for application help Features Y Eliminates input current errors Y Interchangeable with LM111 Y No need for input current buffering Schematic Diagram Note Do Not Ground Strobe Pin or Balance Strobe Pin See Note 7 Connection Diagram Metal Can Package TL H 5703 – 2.


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