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UCC2800-Q1

Texas Instruments
Part Number UCC2800-Q1
Manufacturer Texas Instruments
Description PWM
Published Apr 25, 2020
Detailed Description ą UCC2800/2801/2802/2803/2804/2805ĆQ1 LOWĆPOWER BICMOS CURRENTĆMODE PWM D Qualified for Automotive Applications D ESD P...
Datasheet PDF File UCC2800-Q1 PDF File

UCC2800-Q1
UCC2800-Q1

Overview
ą UCC2800/2801/2802/2803/2804/2805ĆQ1 LOWĆPOWER BICMOS CURRENTĆMODE PWM D Qualified for Automotive Applications 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 D Operation to 1 MHz D Internal Soft Start D Internal Fault Soft Start SGLS121C − JULY 2002 − REVISED APRIL 2008 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 UCC2800 UCC2801 UCC2802 UCC2803 UCC2804 UCC2805 MAXIMUM DUTY CYCLE 100% 50% 100% 100% 50% 50% REFERENCE VOLTAGE 5V 5V 5V 4V 5V 4V TURN-ON THRESHOLD 7.
2 V 9.
4 V 12.
5 V 4.
1 V 12.
5 V 4.
1 V TURN-OFF THRESHOLD 6.
9 V 7.
4 V 8.
3 V 3.
6 V 8.
3 V 3.
6 V Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products a...


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