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Stromversorgungsmodule (integrierter Induktor)

LMZ22005

AKTIV

SIMPLE SWITCHER® 5-A-Strommodul, 20 V maximale Eingangsspannung

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Datenblatt

LMZ22005

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Rating Catalog Topology Buck, Synchronous Buck Iout (max) (A) 5 Vin (max) (V) 20 Vin (min) (V) 6 Vout (max) (V) 6 Vout (min) (V) 0.8 Features EMI Tested, Enable, Frequency synchronization, Tracking Operating temperature range (°C) -40 to 85 Type Module Duty cycle (max) (%) 83 Control mode current mode Switching frequency (min) (kHz) 650 Switching frequency (max) (kHz) 950
Rating Catalog Topology Buck, Synchronous Buck Iout (max) (A) 5 Vin (max) (V) 20 Vin (min) (V) 6 Vout (max) (V) 6 Vout (min) (V) 0.8 Features EMI Tested, Enable, Frequency synchronization, Tracking Operating temperature range (°C) -40 to 85 Type Module Duty cycle (max) (%) 83 Control mode current mode Switching frequency (min) (kHz) 650 Switching frequency (max) (kHz) 950
TO-PMOD (NDW) 7 139.9032 mm² (10.16 mm × 13.77 mm)
  • Integrated shielded inductor
  • Simple PCB Layout
  • Frequency synchronization input (650kHz to 950kHz)
  • Flexible start-up sequencing using external soft-start, tracking and precision enable
  • Protection against inrush currents and faults such as input UVLO and output short circuit
  • Junction temperature range –40°C to 125°C
  • Single exposed pad for easy mounting and manufacturing
  • Fast transient response for powering FPGAs and ASICs
  • Pin compatible with LMZ23605, LMZ23603, LMZ22003
  • Electrical specifications
    • 30W maximum total output power
    • Up to 5A output current
    • Input voltage range 6V to 20V
    • Output voltage range 0.8V to 6V
    • Efficiency up to 92%
  • Performance benefits
    • High efficiency reduces system heat generation
    • Tested to EN55022 Class B(1)
    • Low component count, only five external components
    • Low output voltage ripple
    • Uses PCB as heat sink, no airflow required (1)
  • Create a custom design using the LMZ22005 with the WEBENCH Power Designer

(1)EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007. See AN-2125 LMZ23605/03, LMZ22005/03 Demonstration Board user’s guide and layout for information on device under test. Vin = 12V, Vo = 3.3V, Io = 5A
  • Integrated shielded inductor
  • Simple PCB Layout
  • Frequency synchronization input (650kHz to 950kHz)
  • Flexible start-up sequencing using external soft-start, tracking and precision enable
  • Protection against inrush currents and faults such as input UVLO and output short circuit
  • Junction temperature range –40°C to 125°C
  • Single exposed pad for easy mounting and manufacturing
  • Fast transient response for powering FPGAs and ASICs
  • Pin compatible with LMZ23605, LMZ23603, LMZ22003
  • Electrical specifications
    • 30W maximum total output power
    • Up to 5A output current
    • Input voltage range 6V to 20V
    • Output voltage range 0.8V to 6V
    • Efficiency up to 92%
  • Performance benefits
    • High efficiency reduces system heat generation
    • Tested to EN55022 Class B(1)
    • Low component count, only five external components
    • Low output voltage ripple
    • Uses PCB as heat sink, no airflow required (1)
  • Create a custom design using the LMZ22005 with the WEBENCH Power Designer

(1)EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007. See AN-2125 LMZ23605/03, LMZ22005/03 Demonstration Board user’s guide and layout for information on device under test. Vin = 12V, Vo = 3.3V, Io = 5A

The LMZ22005 SIMPLE SWITCHER power converter module is an easy-to-use, step-down, DC-DC design capable of driving up to 5A load. The LMZ22005 is available in a remarkable package that enhances thermal performance and allows for hand or machine soldering.

The LMZ22005 can accept an input voltage rail between 6V and 20V and can deliver an adjustable and highly accurate output voltage as low as 0.8V. The LMZ22005 only requires two external resistors and three external capacitors to complete the power design. The LMZ22005 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. The sync input allows synchronization over the 650 to 950kHz switching frequency range.

The LMZ22005 SIMPLE SWITCHER power converter module is an easy-to-use, step-down, DC-DC design capable of driving up to 5A load. The LMZ22005 is available in a remarkable package that enhances thermal performance and allows for hand or machine soldering.

The LMZ22005 can accept an input voltage rail between 6V and 20V and can deliver an adjustable and highly accurate output voltage as low as 0.8V. The LMZ22005 only requires two external resistors and three external capacitors to complete the power design. The LMZ22005 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. The sync input allows synchronization over the 650 to 950kHz switching frequency range.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt LMZ22005 5A, SIMPLE SWITCHER® Power Module With 20V Maximum Input Voltage datasheet (Rev. L) PDF | HTML 12.06.2025
Auswahlhilfe Power Management Guide 2018 (Rev. R) 25.06.2018
Anwendungshinweis Design Summary LMZ1xxx and LMZ2xxx Power Module Family (Rev. B) 20.01.2016
Anwendungshinweis AN-2027 Inverting Application for the LMZ14203 SIMPLE SWITCHER Power Module (Rev. A) 06.05.2013
Anwendungshinweis AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A) 23.04.2013
Anwendungshinweis AN-2078 PCB Layout for Texas Instruments SIMPLE SWITCHER Power Modules (Rev. A) 23.04.2013
Anwendungshinweis AN-2052 Texas Instruments SIMPLE SWITCHER Power Modules and EMI (Rev. C) 23.04.2013
Anwendungshinweis AN-2026 Effect of PCB Design on Thermal Performance of SIMPLE SWITCHER Modules (Rev. A) 23.04.2013
Anwendungshinweis Understanding and Applying Current-Mode Control Theory 19.08.2007
Weitere Dokumente SEM1600 Topic 4: Constructing Your Power Supply – Layout Considerations 12.07.2005

Design und Entwicklung

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Evaluierungsplatine

LMZ22005EVAL — Evaluierungsplatine für SIMPLE SWITCHER®-Strommodul, 5 A, mit 20 V maximaler Eingangsspannung

The LMZ23605/03, LMZ22005/03 evaluation boards are designed to be an easy-to-use platform to evaluate the full capabilities of this family of SIMPLE SWITCHER® power modules. The PCB construction has excellent thermal performance and includes extra locations for optional components that may not be (...)

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