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UC3526A - 产品图解:
UC3526A-稳压脉宽调制器
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TI产品 - UC3526A介绍
UC3526A - 稳压脉宽调制器

UC3526A是TI公司的一款PWM与谐振控制器产品,UC3526A是稳压脉宽调制器,本页介绍了UC3526A的产品说明、应用、特性等,并给出了与UC3526A相关的TI元器件型号供参考。

UC3526A - 稳压脉宽调制器 - PWM与谐振控制器 - 离线隔离型DC/DC控制器和转换器 - TI公司(Texas Instruments,德州仪器)

产品描述

The UC1526A Series are improved-performance pulse-width modulator circuits intended for direct replacement of equivalent non- \x93A\x94 versions in all applications. Higher frequency operation has been enhanced by several significant improvements including: a more accurate oscillator with less minimum dead time, reduced circuit delays (particularly in current limiting), and an improved output stage with negligible cross-conduction current. Additional improvements include the incorporation of a precision, band-gap reference generator, reduced overall supply current, and the addition of thermal shutdown protection.

Along with these improvements, the UC1526A Series retains the protective features of under-voltage lockout, soft-start, digital current limiting, double pulse suppression logic, and adjustable deadtime. For ease of interfacing, all digital control ports are TTL compatible with active low logic.

Five volt (5V) operation is possible for \x93logic level\x94 applications by connecting VIN, VC and VREF to a precision 5V input supply. Consult factory for additional information.

产品特性

  • Reduced Supply Current
  • Oscillator Frequency to 600kHz
  • Precision Band-Gap Reference
  • 7 to 35V Operation
  • Dual 200mA Source/Sink Outputs
  • Minimum Output Cross-Conduction
  • Double-Pulse Suppression Logic
  • Under-Voltage Lockout
  • Programmable Soft-Start
  • Thermal Shutdown
  • TTL/CMOS Compatible Logic Ports
  • 5 Volt Operation (VIN = VC = VREF = 5.0V)

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