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NCV4949 Datasheet

Part Number NCV4949
Manufacturers ON Semiconductor
Logo ON Semiconductor
Description Low Dropout Voltage Regulator
Datasheet NCV4949 DatasheetNCV4949 Datasheet (PDF)

L4949, NCV4949 100 mA, 5.0 V, Low Dropout Voltage Regulator with Reset and Sense The L4949 is a monolithic integrated 5.0 V voltage regulator with a very low dropout and additional functions such as reset and an uncommitted voltage sense comparator. It is designed for supplying microcontroller/microprocessor controlled systems particularly in automotive applications. Features • Operating DC Supply Voltage Range 5.0 V to 28 V • Transient Supply Voltage Up to 40 V • Extremely Low Quiescent Curren.

  NCV4949   NCV4949






Part Number NCV494B
Manufacturers ON Semiconductor
Logo ON Semiconductor
Description Switch mode Pulse Width Modulation Controller
Datasheet NCV4949 DatasheetNCV494B Datasheet (PDF)

Switch mode Pulse Width Modulation Control Circuit TL494, NCV494 The TL494 is a fixed frequency, pulse width modulation control circuit designed primarily for switch mode power supply control. Features • Complete Pulse Width Modulation Control Circuitry • On−Chip Oscillator with Master or Slave Operation • On−Chip Error Amplifiers • On−Chip 5.0 V Reference • Adjustable Deadtime Control • Uncommitted Output Transistors Rated to 500 mA Source or Sink • Output Control for Push−Pull or Single−Ended .

  NCV4949   NCV4949







Part Number NCV4949A
Manufacturers ON Semiconductor
Logo ON Semiconductor
Description 100mA 5.0V Low Dropout Voltage Regulator
Datasheet NCV4949 DatasheetNCV4949A Datasheet (PDF)

NCV4949A Voltage Regulator - Low Dropout, Reset, Sense 100 mA, 5.0 V The NCV4949A is a monolithic integrated 5.0 V voltage regulator with a very low dropout and additional functions such as reset and an uncommitted voltage sense comparator. It is designed for supplying microcontroller/microprocessor controlled systems particularly in automotive applications. The NCV4949A has improved reset behavior for lower input and output voltage levels. Features • Operating DC Supply Voltage Range 5.0 V to .

  NCV4949   NCV4949







Part Number NCV494
Manufacturers ON Semiconductor
Logo ON Semiconductor
Description Switch mode Pulse Width Modulation Controller
Datasheet NCV4949 DatasheetNCV494 Datasheet (PDF)

Switch mode Pulse Width Modulation Control Circuit TL494, NCV494 The TL494 is a fixed frequency, pulse width modulation control circuit designed primarily for switch mode power supply control. Features • Complete Pulse Width Modulation Control Circuitry • On−Chip Oscillator with Master or Slave Operation • On−Chip Error Amplifiers • On−Chip 5.0 V Reference • Adjustable Deadtime Control • Uncommitted Output Transistors Rated to 500 mA Source or Sink • Output Control for Push−Pull or Single−Ended .

  NCV4949   NCV4949







Low Dropout Voltage Regulator

L4949, NCV4949 100 mA, 5.0 V, Low Dropout Voltage Regulator with Reset and Sense The L4949 is a monolithic integrated 5.0 V voltage regulator with a very low dropout and additional functions such as reset and an uncommitted voltage sense comparator. It is designed for supplying microcontroller/microprocessor controlled systems particularly in automotive applications. Features • Operating DC Supply Voltage Range 5.0 V to 28 V • Transient Supply Voltage Up to 40 V • Extremely Low Quiescent Current in Standby Mode • High Precision Output Voltage 5.0 V ±1% • Output Current Capability Up to 100 mA • Very Low Dropout Voltage Less Than 0.4 V • Reset Circuit Sensing The Output Voltage • Programmable Reset Pulse Delay • Voltage Sense Comparator • Thermal Shutdown and Short Circuit Protections • NCV Prefix for Automotive and Other Applications Requiring Site and Change Control • These are Pb−Free Devices Supply Voltage (VCC) 1 Output Voltage (Vout) VZ 3 8 CT 4 Preregulator 6.0 V 2.0 mA Sense Input (Si) 2 Regulator Vs 1.23 Vref Reset + - 2.0 V + Sense 1.23 V 5 GND Figure 1. Representative Block Diagram Reset 6 Sense Output (So) 7 http://onsemi.com 8 1 8 1 8 1 MARKING DIAGRAMS 8 PDIP−8 N SUFFIX CASE 626 L4949N AWL YYWWG 1 8 SOIC−8 D SUFFIX CASE 751 L4949 ALYWD G 1 8 SOIC−8 EP PD SUFFIX CASE 751AC V4949 ALYWG G 1 20 20 1 SOIC−20W DW SUFFIX CASE 751D L4949DW AWLYYWWG 1 A = Assembly Location WL, L = Wafer Lot YY, Y = Year WW, W = Work Week G or G = .


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