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LV14540

ACTIVO

Convertidor reductor de 40 V, 5 A, 2.2 MHz

Detalles del producto

Rating Catalog Topology Buck Iout (max) (A) 5 Vin (max) (V) 40 Vin (min) (V) 4 Vout (max) (V) 36 Vout (min) (V) 1 Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Pre-Bias Start-Up, Soft Start Adjustable, Tracking, UVLO adjustable Control mode current mode Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2000 Operating temperature range (°C) -40 to 125 Iq (typ) (µA) 300 Duty cycle (max) (%) 97 Type Converter
Rating Catalog Topology Buck Iout (max) (A) 5 Vin (max) (V) 40 Vin (min) (V) 4 Vout (max) (V) 36 Vout (min) (V) 1 Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Pre-Bias Start-Up, Soft Start Adjustable, Tracking, UVLO adjustable Control mode current mode Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2000 Operating temperature range (°C) -40 to 125 Iq (typ) (µA) 300 Duty cycle (max) (%) 97 Type Converter
HSOIC (DDA) 8 29.4 mm² 4.9 x 6
  • 4V to 40V input range
  • 5A continuous output current
  • 100mΩ high-side MOSFET
  • Minimum on time: 100ns
  • Current mode control
  • Adjustable switching frequency from 200kHz to 2MHz
  • Frequency synchronization to external clock
  • Internal compensation for ease of use
  • High duty cycle operation supported
  • Precision enable input
  • 1µA shutdown current
  • Thermal, overvoltage and short protection
  • 8-pin HSOIC with PowerPAD™ integrated circuit package
  • 4V to 40V input range
  • 5A continuous output current
  • 100mΩ high-side MOSFET
  • Minimum on time: 100ns
  • Current mode control
  • Adjustable switching frequency from 200kHz to 2MHz
  • Frequency synchronization to external clock
  • Internal compensation for ease of use
  • High duty cycle operation supported
  • Precision enable input
  • 1µA shutdown current
  • Thermal, overvoltage and short protection
  • 8-pin HSOIC with PowerPAD™ integrated circuit package

The LV14540 is a 40V, 5A, step-down regulator with an integrated high-side MOSFET. With a wide input range from 4V to 40V, the device is designed for various applications from industrial to automotive for power conditioning from unregulated sources. A wide adjustable switching frequency range allows either efficiency or external component size to be optimized. Internal loop compensation means that the user is free from the tedious task of loop compensation design. Internal loop compensation also minimizes the external components of the device. A precision enable input allows simplification of regulator control and system power sequencing. The device also has built-in protection features such as cycle-by-cycle current limit, thermal sensing and shutdown due to excessive power dissipation, and output overvoltage protection.

The LV14540 is a 40V, 5A, step-down regulator with an integrated high-side MOSFET. With a wide input range from 4V to 40V, the device is designed for various applications from industrial to automotive for power conditioning from unregulated sources. A wide adjustable switching frequency range allows either efficiency or external component size to be optimized. Internal loop compensation means that the user is free from the tedious task of loop compensation design. Internal loop compensation also minimizes the external components of the device. A precision enable input allows simplification of regulator control and system power sequencing. The device also has built-in protection features such as cycle-by-cycle current limit, thermal sensing and shutdown due to excessive power dissipation, and output overvoltage protection.

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* Data sheet LV14540 SIMPLE SWITCHER® Power Converter 40V, 5A, 2MHz Step-Down Converter datasheet (Rev. B) PDF | HTML 19 dic 2024

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