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UCC1804J Datasheet(PDF) 1 Page - Texas Instruments |
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UCC1804J Datasheet(HTML) 1 Page - Texas Instruments |
1 / 55 page Vin Vout Cin Cout UCC2803 7 1 2 3 4 5 6 8 VCC REF RC GND COMP FB CS OUT Copyright © 2016, Texas Instruments Incorporated Product Folder Sample & Buy Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. 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 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 leading- edge blanking of the current-sense input. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) UCC1800 LCC (20) 8.89 mm × 8.89 mm CDIP (8) 6.67 mm × 9.60 mm UCC1801, UCC1802, UCC1803, UCC1804, UCC1805 CDIP (8) 6.67 mm × 9.60 mm UCC2800, UCC2801, UCC2802, UCC2803, UCC2804, UCC2805, UCC3800, UCC3801, UCC3802, UCC3803, UCC3804, UCC3805 TSSOP (8) 4.40 mm × 3.00 mm SOIC (8) 3.91 mm × 4.90 mm PDIP (8) 6.35 mm × 9.81 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Application Diagram |
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