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LM5032

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LM5032

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產品詳細資料

Vin (max) (V) 15 Operating temperature range (°C) -40 to 125 Control mode Current Topology Boost, Flyback Rating Catalog Features Adjustable switching frequency, Current limiting, High-voltage startup, Multi-topology, Programmable max duty cycle, Synchronization pin Duty cycle (max) (%) 80
Vin (max) (V) 15 Operating temperature range (°C) -40 to 125 Control mode Current Topology Boost, Flyback Rating Catalog Features Adjustable switching frequency, Current limiting, High-voltage startup, Multi-topology, Programmable max duty cycle, Synchronization pin Duty cycle (max) (%) 80
TSSOP (PW) 16 32 mm² 5 x 6.4
  • 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
  • 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

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.

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.
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類型 標題 日期
* Data sheet LM5032 High-Voltage Dual Interleaved Current Mode Controller datasheet (Rev. B) PDF | HTML 2014年 12月 15日
Selection guide Power Management Guide 2018 (Rev. R) 2018年 6月 25日
Application note AN-1820 LM5032 Interleaved Boost Converter (Rev. A) 2013年 5月 6日
EVM User's guide AN-1962 LM5032 Interleaved Boost Evaluation Board (Rev. A) 2013年 5月 6日

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開發板

LM5032EVAL — LM5032 交錯式升壓評估板

A two phase interleaved boost implementation for increased output power and reduced ripple.

使用指南: PDF
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參考設計

TIDA-00200 — 適用於電池充電應用且效率為 90% 的 120V AC 200W 交錯式返馳參考設計

TIDA-00200 proposes an interleaved flyback topology for battery charger applications that require an output power level of ~200 W with a minimized bill of material. Besides the actual electronic components, the efforts for cooling are a major contributor to the overall design cost. By taking (...)
Design guide: PDF
電路圖: PDF
封裝 針腳 CAD 符號、佔位空間與 3D 模型
TSSOP (PW) 16 Ultra Librarian
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