Inicio Gestión de la energía Controladores CA/CC y CC/CC (FET externo)

LM5034

ACTIVO

Controlador doble intercalado con modo de corriente de pinza activa de 100 V y FET de pinza de canal

Detalles del producto

Vin (max) (V) 15 Operating temperature range (°C) -40 to 125 Control mode Current Topology Active-clamp forward Rating Catalog Features Current limiting, High-voltage startup, Soft start, Supports PFET clamp, Synchronization pin Duty cycle (max) (%) 76
Vin (max) (V) 15 Operating temperature range (°C) -40 to 125 Control mode Current Topology Active-clamp forward Rating Catalog Features Current limiting, High-voltage startup, Soft start, Supports PFET clamp, Synchronization pin Duty cycle (max) (%) 76
TSSOP (PW) 20 41.6 mm² 6.5 x 6.4
  • 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

All trademarks are the property of their respective owners.

  • 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

All trademarks are the property of their respective owners.

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.

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.

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Documentación técnica

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Tipo Título Fecha
* Data sheet LM5034 High Voltage Dual Interleaved Current Mode Controller with Active Clamp datasheet (Rev. A) 29 mar 2013
Selection guide Power Management Guide 2018 (Rev. R) 25 jun 2018
EVM User's guide AN-1370 LM5034 Evaluation Board (Rev. A) 06 may 2013
Application note Operation and Benefits of Active-Clamp Forward Power Converters 22 mar 2007

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

LM5034EVAL — Controlador doble intercalado de alta tensión con modo de corriente y pinza activa

LM5034 High Voltage Dual Interleaved Current Mode Controller with Active Clamp

Guía del usuario: PDF
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
TSSOP (PW) 20 Ultra Librarian

Pedidos y calidad

Información incluida:
  • RoHS
  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

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