UC3526A - 稳压脉宽调制器

UC3526A是TI德州仪器公司的一款PWM与谐振控制器产品，UC3526A是稳压脉宽调制器，本站介绍了UC3526A的封装应用图解、特点和优点、功能等，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 - 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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