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LMZ12002EXT
  • LMZ12002EXT
  • LMZ12002EXT
  • LMZ12002EXT
  • LMZ12002EXT

LMZ12002EXT

ACTIVE

2A SIMPLE SWITCHER Power Module with 20V Maximum Input Voltage for Military and Rugged App

Texas Instruments LMZ12002EXT Product Info

1 April 2026 3

Parameters

Rating

Catalog

Topology

Buck, Synchronous Buck

Iout (max) (A)

2

Vin (max) (V)

20

Vin (min) (V)

4.5

Vout (max) (V)

6

Vout (min) (V)

0.8

Features

EMI Tested, Enable, Tracking

Operating temperature range (°C)

-55 to 125

Type

Module

Duty cycle (max) (%)

85

Control mode

Constant on-time (COT)

Switching frequency (min) (kHz)

200

Switching frequency (max) (kHz)

1000

Package

TO-PMOD (NDW)-7-139.9032 mm² 10.16 x 13.77

Features

  • Junction Temperature Range –55°C to 125°C
  • Integrated Shielded Inductor
  • Simple PCB Layout
  • Flexible Start-up Sequencing Using External Soft-
    Start Capacitor and Precision Enable
  • Protection Against Inrush Currents and Faults
    Such as Input UVLO and Output Short Circuit
  • Single Exposed Pad and Standard Pinout for Easy
    Mounting and Manufacturing
  • Fast Transient Response for FPGAs and ASICs
  • Low Output Voltage Ripple
  • Pin-to-Pin Compatible With Family Devices:
    • LMZ14203EXT/2EXT/1EXT (42-V Maximum 3
      A, 2 A, 1 A)
    • LMZ14203/2/1 (42-V Maximum 3 A, 2 A, 1 A)
    • LMZ12003/2/1 (20-V Maximum 3 A, 2 A, 1 A)
  • Fully WEBENCH® Power Designer enabled
  • Low Radiated Emissions and High Radiated
    Immunity
  • Passes Vibration Standard MIL-STD-883 Method
    2007.2 Condition A JESD22–B103B Condition 1
  • Passes Drop Standard MIL-STD-883 Method
    2002.3 Condition B JESD22–B110 Condition B
  • Electrical Specifications
    • 12-W Maximum Total Power Output
    • Up to 2-A Output Current
    • Input Voltage Range 4.5 V to 20 V
    • Output Voltage Range 0.8 V to 6 V
    • Efficiency up to 92%
  • Junction Temperature Range –55°C to 125°C
  • Integrated Shielded Inductor
  • Simple PCB Layout
  • Flexible Start-up Sequencing Using External Soft-
    Start Capacitor and Precision Enable
  • Protection Against Inrush Currents and Faults
    Such as Input UVLO and Output Short Circuit
  • Single Exposed Pad and Standard Pinout for Easy
    Mounting and Manufacturing
  • Fast Transient Response for FPGAs and ASICs
  • Low Output Voltage Ripple
  • Pin-to-Pin Compatible With Family Devices:
    • LMZ14203EXT/2EXT/1EXT (42-V Maximum 3
      A, 2 A, 1 A)
    • LMZ14203/2/1 (42-V Maximum 3 A, 2 A, 1 A)
    • LMZ12003/2/1 (20-V Maximum 3 A, 2 A, 1 A)
  • Fully WEBENCH® Power Designer enabled
  • Low Radiated Emissions and High Radiated
    Immunity
  • Passes Vibration Standard MIL-STD-883 Method
    2007.2 Condition A JESD22–B103B Condition 1
  • Passes Drop Standard MIL-STD-883 Method
    2002.3 Condition B JESD22–B110 Condition B
  • Electrical Specifications
    • 12-W Maximum Total Power Output
    • Up to 2-A Output Current
    • Input Voltage Range 4.5 V to 20 V
    • Output Voltage Range 0.8 V to 6 V
    • Efficiency up to 92%

Description

The LMZ12002EXT SIMPLE SWITCHER® power module is an easy-to-use step-down DC-DC solution capable of driving up to 2-A load with exceptional power conversion efficiency, line and load regulation, and output accuracy. The LMZ12002EXT is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ12002EXT can accept an input voltage rail between 4.5 V and 20 V, and can deliver an adjustable and highly accurate output voltage as low as 0.8 V. The LMZ12002EXT only requires three external resistors and four external capacitors to complete the power solution. The LMZ12002EXT is a reliable and robust design with the following protection features: thermal shutdown, input undervoltage lockout, output overvoltage protection, short-circuit protection, output current limit, and the device allows start-up into a prebiased output. A single resistor adjusts the switching frequency up to 1 MHz.

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