UCC2813D-4G4 product image


PMIC - Voltage Regulators - DC DC Switching Controllers
Texas Instruments(texas)


The  UCC2813D-4G4  ,high-speed, low-power integrated circuits contain all of the control and drive components required for off-line and DC-to-DC fixed frequency current-mode switching power supplies with minimal parts count. These devices have the same pin configuration as the UC3842/314/5 family, and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input. The UCC2813D-4G4 offers a variety of package options, temperature range options, choice of maximum duty cycle, and choice of critical voltage levels. Lower reference parts such as the UCC3813-3 and UCC3813-5 fit best into battery operated systems, while the higher reference and the higher UVLO hysteresis of the UCC3813-2 and UCC3813-4 make these ideal choices for use in off-line power supplies.. The UCC2813-x series is specified for operation from -400C to +850C and the UCC2813D-4G4 is specified for operation from 00C to +700C.
UCC2813D-4G4  Features
• 1005A Typical Starting Supply Current
• 5005A Typical Operating Supply Current
• Operation to 1 MHz
• Internal Soft Start
• Internal Fault Soft Start
• Internal Leading-Edge Blanking of the Current Sense Signal
• 1 Amp Totem-Pole Output
• 70ns Typical Response from Current-Sense to Gate Drive Output
• 1.5% Tolerance Voltage Reference
• Same Pinout as UCC3802, UC3842, and UC3842A
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