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LMR14006
  • LMR14006
  • LMR14006

LMR14006

ACTIVE

SIMPLE SWITCHER® 4-V to 40-V, 600-mA step-down converter with Low Iq

Texas Instruments LMR14006 Product Info

1 April 2026 4

Parameters

Rating

Catalog

Topology

Buck

Iout (max) (A)

0.6

Vin (max) (V)

40

Vin (min) (V)

4

Vout (max) (V)

30

Vout (min) (V)

0.8

Features

Enable, Fixed soft start, Light-load efficiency, Overcurrent protection, Pre-bias startup, UVLO adjustable

Control mode

current mode

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.000028

Duty cycle (max) (%)

97

Package

SOT-23-THN (DDC)-6-8.12 mm² 2.9 x 2.8

Features

  • 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)

Description

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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