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標題: LM5032高電壓雙路交錯電流模式控制器 [打印本頁]
作者: 拍明芯城 時間: 2018-8-22 17:17
標題: LM5032高電壓雙路交錯電流模式控制器
描述
The LM5032 dual current mode PWM controller contains all the features needed to control either two independent forward 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 LM5032 includes a startup regulator that operates over a wide input range up to 100 V and compound (bipolar + CMOS) gate drivers that provide a robust 2.5-A peak sink current. The adjustable maximum PWM duty cycle reduce stress on the primary side MOSFET switches. Additional features include programmable line undervoltage lockout, cycle-by-cycle current limit, hiccup mode fault operation with adjustable response time, PWM slope compensation, soft-start, and a 2-MHz capable oscillator with synchronization capability.
For all available packages, see the orderable addendum at the end of the datasheet.
特性
Two Independent PWM Current Mode Controllers
Integrated High-Voltage Startup Regulator
Compound 2.5-A Main Output Gate Drivers
Single Resistor Oscillator Setting to 2 MHz
Synchronizable Oscillator
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 Undervoltage Lockout
Independently Adjustable Soft-Start (Each Regulator)
Direct Interface with Opto-Coupler Transistor
Thermal Shutdown
TSSOP 16-Pin Package
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