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UCC2800-EP Datasheet(PDF) 1 Page - Texas Instruments |
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UCC2800-EP Datasheet(HTML) 1 Page - Texas Instruments |
1 / 12 page UCC2800/2801/2802/2803/2804/2805-EP LOW-POWER BICMOS CURRENT-MODE PWM SGLS135B – SEPTEMBER 2002 – REVISED MARCH 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Controlled Baseline – One Assembly/Test Site, One Fabrication Site D Extended Temperature Performance of –40 °C to 125°C D Enhanced Diminishing Manufacturing Sources (DMS) Support D Enhanced Product Change Notification D Qualification Pedigree† D ESD Protection Exceeds 200 V Using Machine Model (C = 200 pF, R = 0) D 100 µA Typical Starting Supply Current D 500 µA Typical Operating Supply Current † Component qualification in accordance with JEDEC and industry standards to ensure reliable operation over an extended temperature range. This includes, but is not limited to, Highly Accelerated Stress Test (HAST) or biased 85/85, temperature cycle, autoclave or unbiased HAST, electromigration, bond intermetallic life, and mold compound life. Such qualification testing should not be viewed as justifying use of this component beyond specified performance and environmental limits. D Operation to 1MHz D Internal Soft Start D Internal Fault Soft Start D Internal Leading-Edge Blanking of the Current Sense Signal D 1 Amp Totem-Pole Output D 70 ns Typical Response from Current-Sense to Gate Drive Output D 1.5% Tolerance Voltage Reference D Same Pinout as UC3842 and UC3842A description The UCC2800/1/2/3/4/5 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 power supplies with minimal parts count. These devices have the same pin configuration as the UC2842/3/4/5 family, and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input. The UCC2800/1/2/3/4/5 family offers choice of maximum duty cycle and critical voltage levels. Lower reference parts such as the UCC2803 and UCC2805 fit best into battery operated systems, while the higher reference and the higher UVLO hysteresis of the UCC2802 and UCC2804 make these ideal choices for use in off-line power supplies. PART NUMBER MAXIMUM DUTY CYCLE REFERENCE VOLTAGE TURN-ON THRESHOLD TURN-OFF THRESHOLD UCC2800 100% 5 V 7.2 V 6.9 V UCC2801 50% 5 V 9.4 V 7.4 V UCC2802 100% 5 V 12.5 V 8.3 V UCC2803 100% 4 V 4.1 V 3.6 V UCC2804 50% 5 V 12.5 V 8.3 V UCC2805 50% 4 V 4.1 V 3.6 V Copyright 2003, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 1 2 3 4 8 7 6 5 COMP FB CS RC REF VCC OUT GND D PACKAGE (TOP VIEW) |
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