Description
The UCC3813-x device family of high-speed, lowpower integrated circuits contains all of the control and drive components required for off-line and DC-toDC fixed-frequency current-mode switching power supplies with minimal parts count.
Features
- 1 100-µA Typical Starting Supply Current.
- 500-µA 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-A Totem-Pole Output.
- 70-ns Typical Response from Current-Sense to
Gate-Drive Output.
- 1.5% Tolerance Voltage Reference.
- Same Pinout as the UCC3802 Device, UC3842
Device, and UC3842A Device Families.
UCC2813-0-etcTI.pdf