UCC2800

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community UCC1800, UCC1801, UCC1802, UCC1803, UCC1804, UCC1805 UCC2800, UCC2801, UCC2802, UCC2803, UCC2804, UCC2805 UCC3800, UCC3801, UCC3802, UCC3803, UCC3804, UCC3805 SLUS270E – MARCH 1999 – REVISED JUNE 2016 UCC180x, UCC280x, UCC380x Low-Power BiCMOS Current-Mode PWM Controllers 1 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 components 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) PART NUMBER PACKAGE BODY SIZE (NOM) UCC1800 LCC (20) CDIP (8) 8.89 mm × 8.89 mm 6.67 mm × 9.60 mm UCC1801, UCC1802, UCC1803, UCC1804, UCC1805...