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UCC2805QDRQ1 Datasheet(PDF) 1 Page - Texas Instruments |
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UCC2805QDRQ1 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 14 page UCC2800/2801/2802/2803/2804/2805Q1 LOW POWER BICMOS CURRENT MODE PWM SGLS121B − JULY 2002 − REVISED 2004 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Qualification in Accordance With AEC-Q100† D Qualified for Automotive Applications D Customer-Specific Configuration Control Can Be Supported Along With Major-Change Approval 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 † Contact factory for details. Q100 qualification data available on request. D Operation to 1 MHz 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. The UCC280xQDRQ1 series is specified for the automotive temperature range of −40 _C to 125_C, and qualified in accordance with AEC-Q100 stress test qualification for integrated circuits. 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 2004, 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. |
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