产品详细信息

Vin (Min) (V) 4 Vin (Max) (V) 40 Vout (Min) (V) 0.8 Vout (Max) (V) 30 Iout (Max) (A) 0.6 Iq (Typ) (uA) 28 Switching frequency (Min) (kHz) 1100 Switching frequency (Max) (kHz) 2100 Features Enable, Light Load Efficiency, Over Current Protection, Pre-Bias Start-Up, UVLO Adjustable, Soft Start Fixed Operating temperature range (C) -40 to 125 Rating Catalog Regulated outputs (#) 1
Vin (Min) (V) 4 Vin (Max) (V) 40 Vout (Min) (V) 0.8 Vout (Max) (V) 30 Iout (Max) (A) 0.6 Iq (Typ) (uA) 28 Switching frequency (Min) (kHz) 1100 Switching frequency (Max) (kHz) 2100 Features Enable, Light Load Efficiency, Over Current Protection, Pre-Bias Start-Up, UVLO Adjustable, Soft Start Fixed Operating temperature range (C) -40 to 125 Rating Catalog Regulated outputs (#) 1
SOT-23-THN (DDC) 6 5 mm² 2.9 x 1.6
  • Ultra Low 28 µA Standby Current in Sleep Mode
  • Input Voltage Range 4 V to 40 V
  • 1 µA Shutdown Current
  • High Duty Cycle Operation Supported
  • Output Current up to 600 mA
  • 1.1 MHz and 2.1 MHz Switching Frequency
  • Internal Compensation
  • High Voltage Enable Input
  • Internal Soft Start
  • Over Current Protection
  • Over Temperature Protection
  • Small Overall Solution Size (TSOT-6L Package)
  • Ultra Low 28 µA Standby Current in Sleep Mode
  • Input Voltage Range 4 V to 40 V
  • 1 µA Shutdown Current
  • High Duty Cycle Operation Supported
  • Output Current up to 600 mA
  • 1.1 MHz and 2.1 MHz Switching Frequency
  • Internal Compensation
  • High Voltage Enable Input
  • Internal Soft Start
  • Over Current Protection
  • Over Temperature Protection
  • Small Overall Solution Size (TSOT-6L Package)

The LMR14006 is a PWM DC/DC buck (step-down) regulator. With a wide input range of 4 V-40 V, it is suitable for a wide range of application from industrial to automotive for power conditioning from an unregulated source. The regulator’s standby current is 28 µA in sleep mode, which is suitable for battery operating systems. An ultra low 1 µA current can further prolong battery life in shutdown mode. Operating frequency is fixed at 1.1 MHz (X version) and 2.1 MHz (Y version) allowing the use of small external components while still being able to have low output ripple voltage. Soft-start and compensation circuits are implemented internally, and these allow the device to be used with minimized external components. The LMR14006 is optimized for up to 600 mA load current which has a 0.765 V typical feedback voltage. The device has built-in protection features such as pulse by pulse current limit, thermal sensing and shutdown due to excessive power dissipation. The LMR14006 is available in a low profile TSOT-6L package.

The LMR14006 is a PWM DC/DC buck (step-down) regulator. With a wide input range of 4 V-40 V, it is suitable for a wide range of application from industrial to automotive for power conditioning from an unregulated source. The regulator’s standby current is 28 µA in sleep mode, which is suitable for battery operating systems. An ultra low 1 µA current can further prolong battery life in shutdown mode. Operating frequency is fixed at 1.1 MHz (X version) and 2.1 MHz (Y version) allowing the use of small external components while still being able to have low output ripple voltage. Soft-start and compensation circuits are implemented internally, and these allow the device to be used with minimized external components. The LMR14006 is optimized for up to 600 mA load current which has a 0.765 V typical feedback voltage. The device has built-in protection features such as pulse by pulse current limit, thermal sensing and shutdown due to excessive power dissipation. The LMR14006 is available in a low profile TSOT-6L package.

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设计和开发

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评估板

LMR14006YEVM — 4V 至 40V 输入、5.0V 输出 (600mA) 降压转换器评估模块

The LMR14006YEVM is a fully assembled and tested circuit for evaluating the LMR14006Y Step-Down Converter. The LMR14006YEVM operates from 4V to 40V input (12V nominal) and provides a 5.0V output at 600mA. The board also has jumper connector to enable or disable the converter operation.

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仿真模型

LMR14006Y PSpice Transient Model

SNVM535.ZIP (49 KB) - PSpice Model
仿真模型

LMR14006X PSpice Transient Model

SNVM536.ZIP (48 KB) - PSpice Model
仿真模型

LMR14006X Unencrypted PSpice Transient Model

SNVM974.ZIP (7 KB) - PSpice Model
仿真模型

LMR14006Y Unencrypted PSpice Transient Model

SNVM975.ZIP (6 KB) - PSpice Model
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