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UCC2800-EP Datasheet Low-power Bicmos Current-mode Pwm

Manufacturer: Texas Instruments

Overview: UCC2800/2801/2802/2803/2804/2805-EP LOW-POWER BICMOS CURRENT-MODE PWM D Controlled Baseline − One Assembly − One Test Site − One Fabrication Site D Extended Temperature Performance of −55°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. SGLS135F − SEPTEMBER 2002 − REVISED OCTOBER 2010 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.

General 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

Key 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 UCC2800 UCC2801 UCC2802 UCC2803 UCC2804 UCC2805.

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