LM5034 - 具有有源钳位的高电压双路交错电流模式控制器

LM5034是TI德州仪器公司的一款PWM与谐振控制器产品，LM5034是具有有源钳位的高电压双路交错电流模式控制器，本站介绍了LM5034的封装应用图解、特点和优点、功能等，并给出了与LM5034相关的TI元器件型号供参考。

LM5034 - 具有有源钳位的高电压双路交错电流模式控制器 - 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 LM5034 dual current mode PWM controller contains all the features needed to control either two independent forward/active clamp dc/dc converters or a single high current converter comprised of two interleaved power stages. The two controller channels operate 180° out of phase thereby reducing input ripple current. The LM5034 includes a startup regulator that operates over a wide input range up to 100V and compound (bipolar + CMOS) gate drivers that provide a robust 2.5A peak sink current. The adjustable dead-time of the active clamp gate drivers and adjustable maximum PWM duty cycle reduce stress on the primary side MOSFET switches. Additional features include programmable line under-voltage lockout, cycle-by-cycle current limit, hiccup mode fault operation with adjustable restart delay, PWM slope compensation, soft-start, and a 2 MHz capable oscillator with synchronization capability.

产品特性

Two Independent PWM Current Mode Controllers
Integrated High Voltage Startup Regulator
Compound 2.5A Main Output Gate Drivers
Single Resistor Oscillator Setting to 2 MHz
Synchronizable Oscillator
Active Clamp Gate Driver for P-Channel MOSFETs
Adjustable Gate Drive Overlap Time
Programmable Maximum Duty Cycle
Maximum Duty Cycle Fold-Back at High Line Voltage
Adjustable Timer for Hiccup Mode Current Limiting
Integrated Slope Compensation
Adjustable Line Under-Voltage Lockout
Independently Adjustable Soft-Start (Each Regulator)
Direct Interface with Opto-Coupler Transistor
Thermal Shutdown

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