UCC2803
Features
- 1 100-μA Typical Starting Supply Current
- 500-μA Typical Operating Supply Current
- Operation up 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 UC3842 and UC3842A
2 Applications
- Switch Mode Power Supplies (SMPS)
- DC-to-DC Converters
- Power Modules
- Industrial PSU
- Battery-Operated PSU
3 Description
The UCCx80x family of high-speed, low-power integrated circuits contain all of the control and drive ponents required for off-line and DC-to-DC fixed frequency current-mode switching mode power supplies with minimal parts count.
These devices have the same pin configuration as the UCx84x family, and also offer the added features of internal full-cycle soft start and internal leadingedge blanking of the current-sense input.
Device Information(1)
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