UCC3813-4 - 低功耗经济型 BiCMOS 电流模式 PWM

UCC3813-4是TI德州仪器公司的一款PWM与谐振控制器产品，UCC3813-4是低功耗经济型 BiCMOS 电流模式 PWM，本站介绍了UCC3813-4的封装应用图解、特点和优点、功能等，并给出了与UCC3813-4相关的TI元器件型号供参考。

UCC3813-4 - 低功耗经济型 BiCMOS 电流模式 PWM - PWM与谐振控制器 - 离线隔离型DC/DC控制器和转换器 - 德州仪器

产品描述

The UCC3813-x 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 UC384x family, and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input.

The UCC3813-x family offers a variety of package options, temperature-range options, choice of maximum duty cycle, and choice of critical voltage levels. Lower reference parts such as the UCC3813-3 and UCC38135 fit best into battery operated systems, while the higher reference and the higher UVLO hysteresis of the UCC3813-2 and UCC3813-4 make these ideal choices for use in off-line power supplies.

The UCC2813-x series is specified for operation from –40°C to +85°C and the UCC3813-x series is specified for operation from 0°C to 70°C.

产品特性

100-µA Typical Starting Supply Current
500-µA Typical Operating Supply Current
Operation 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 UCC3802, UC3842, and UC3842A

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