Product details

Iout (Max) (A) 1 Vin (Min) (V) 4.5 Vin (Max) (V) 20 Vout (Min) (V) 0.8 Vout (Max) (V) 6 Soft start Adjustable Features EMI Tested, Enable, Tracking Operating temperature range (C) -55 to 125 Iq (Typ) (uA) 1000 Regulated outputs (#) 1 Switching frequency (Max) (kHz) 1000 Switching frequency (Min) (kHz) 200 Duty cycle (Max) (%) 85 Topology Buck, Synchronous Buck
Iout (Max) (A) 1 Vin (Min) (V) 4.5 Vin (Max) (V) 20 Vout (Min) (V) 0.8 Vout (Max) (V) 6 Soft start Adjustable Features EMI Tested, Enable, Tracking Operating temperature range (C) -55 to 125 Iq (Typ) (uA) 1000 Regulated outputs (#) 1 Switching frequency (Max) (kHz) 1000 Switching frequency (Min) (kHz) 200 Duty cycle (Max) (%) 85 Topology Buck, Synchronous Buck
TO-PMOD (NDW) 7 140 mm² 10.16 x 13.77
  • Junction Temperature Range –55°C to 125°C
  • Integrated Shielded Inductor
  • Simple PCB Layout
  • Flexible Startup 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
  • Performance Benefits
    • Low Radiated Emissions / 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
    • 6-W Maximum Total Power Output
    • Up to 1-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 Startup 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
  • Performance Benefits
    • Low Radiated Emissions / 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
    • 6-W Maximum Total Power Output
    • Up to 1-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%

The LMZ12001EXT SIMPLE SWITCHER® power module is an easy-to-use step-down DC-DC solution capable of driving up to 1-A load with exceptional power conversion efficiency, line and load regulation, and output accuracy. The LMZ12001EXT is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ12001EXT 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 LMZ12001EXT only requires three external resistors and four external capacitors to complete the power solution. The LMZ12001EXT 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.

The LMZ12001EXT SIMPLE SWITCHER® power module is an easy-to-use step-down DC-DC solution capable of driving up to 1-A load with exceptional power conversion efficiency, line and load regulation, and output accuracy. The LMZ12001EXT is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ12001EXT 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 LMZ12001EXT only requires three external resistors and four external capacitors to complete the power solution. The LMZ12001EXT 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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Evaluation board

LMZ12001EXTEVAL — Simple Switcher® Power Module 20Vin, 1A Extended Temp Eval Board

The SIMPLE SWITCHER power module evaluation board is optimized for peak performance and increased flexibility. By incorporating additional ceramic and an aluminum filter capacitor, the power module EVAL board demonstrates the low output ripple, fast transient response, and low conducted and radiated (...)

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Simulation model

LMZ12001EXT PSpice Transient Model

SNVM157.ZIP (253 KB) - PSpice Model
Simulation model

LMZ12001EXT Unencrypted PSpice Transient Model

SNVM748.ZIP (3 KB) - PSpice Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Calculation tool

LMZ1X-LMZXEXTDESIGN-CALC — LMZ1x/EXT Thermal Resistance Estimate

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