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Description
The SL494CN is used for the control circuit of the PWM switching regulator.The SL494CN consists of 5V reference voltage circuit,two error amplifiers,a flip flop,an output control circuit,a PWM comparator,a dead time comparator and an oscillator.This device can be operated in the switching frequency of lkHz to 300kHz.
Features
● Internal Regulator Providesa Stable 5V Reference Supply Trimmed to 5%
● Uncommitted Output TR for 200mA Sink or Source Current
● Output Control For Push-Pull or Single Ended Operation
● Variable Duty Cycle By Dead Time Control (Pin 4) Complete PWM Control Circuit
● On-Chip Oscillator With Master or Slave Operation
● Internal Circuit Prohibits Double Pulse at Either Output
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