LMZ12002EXT

Name: LMZ12002EXT
Brand: TI
SKU: LMZ12002EXT
Price: 13.499 USD

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

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Data sheet

document-pdfAcrobat LMZ12002EXT 2-A SIMPLE SWITCHER® Power Module With 20-V Maximum Input Voltage for Demanding Environments and Rugged Applications datasheet (Rev. G) PDF | HTML

LMZ12002EXT

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Data sheet

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Product details

Rating

Catalog

Operating temperature range (°C)

-55 to 125

Topology

Buck, Synchronous Buck

Type

Module

Iout (max) (A)

2

Vin (min) (V)

4.5

Vin (max) (V)

20

Vout (min) (V)

0.8

Vout (max) (V)

6

Switching frequency (min) (kHz)

200

Switching frequency (max) (kHz)

1000

Features

EMI Tested, Enable, Tracking

Control mode

Constant on-time (COT)

Duty cycle (max) (%)

85

Rating

Catalog

Operating temperature range (°C)

-55 to 125

Topology

Buck, Synchronous Buck

Type

Module

Iout (max) (A)

2

Vin (min) (V)

4.5

Vin (max) (V)

20

Vout (min) (V)

0.8

Vout (max) (V)

6

Switching frequency (min) (kHz)

200

Switching frequency (max) (kHz)

1000

Features

EMI Tested, Enable, Tracking

Control mode

Constant on-time (COT)

Duty cycle (max) (%)

85

TO-PMOD (NDW)

7

139.9032 mm² 10.16 x 13.77

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%

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.

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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Technical documentation

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	Type	Title		Date
*	Data sheet	LMZ12002EXT 2-A SIMPLE SWITCHER® Power Module With 20-V Maximum Input Voltage for Demanding Environments and Rugged Applications datasheet (Rev. G)	PDF \| HTML	31 Aug 2015
	Application note	Design Summary LMZ1xxx and LMZ2xxx Power Module Family (Rev. B)		20 Jan 2016
	Application note	AN-2027 Inverting Application for the LMZ14203 SIMPLE SWITCHER Power Module (Rev. A)		06 May 2013
	User guide	AN-2084 LMZ1420xEXT / LMZ1200xEXT Evaluation Board (Rev. A)		24 Apr 2013
	Application note	AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A)		23 Apr 2013
	Application note	AN-2026 Effect of PCB Design on Thermal Performance of SIMPLE SWITCHER Modules (Rev. A)		23 Apr 2013
	Application note	AN-2052 Texas Instruments SIMPLE SWITCHER Power Modules and EMI (Rev. C)		23 Apr 2013
	Application note	AN-2078 PCB Layout for Texas Instruments SIMPLE SWITCHER Power Modules (Rev. A)		23 Apr 2013
	Design guide	SIMPLE SWITCHER® Design Guide		11 Apr 2011
	Application note	Understanding and Applying Current-Mode Control Theory		19 Aug 2007
	More literature	SEM1600 Topic 4: Constructing Your Power Supply – Layout Considerations		12 Jul 2005
	Application note	AN-643 EMI/RFI Board Design (Rev. B)		03 May 2004

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

LMZ12002EXTEVAL — Simple Switcher® Power Module 20Vin, 2A 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 (...)

User guide: PDF