Texas Instruments

LM22670MRX-5.0/NOPB  

DC Switching Voltage Regulators

The LM22670MRX-5.0/NOPB is a highly integrated step-down (buck) converter from Texas Instruments. It is designed to provide efficient and reliable power conversion for a wide range of applications.

Description:

The LM22670MRX-5.0/NOPB is a synchronous, step-down converter with a wide input voltage range of 4.5V to 38V. It can deliver an output voltage of 5V and is capable of providing an output current of up to 3A. The device is available in a compact 20-pin, 3mm x 4mm QFN package.

Features:

1. High Efficiency: The LM22670MRX-5.0/NOPB offers high efficiency of up to 96%, which helps to minimize power dissipation and improve overall system performance.
2. Wide Input Voltage Range: The device can handle input voltages from 4.5V to 38V, making it suitable for a wide range of applications.
3. High Output Current: The LM22670MRX-5.0/NOPB can deliver an output current of up to 3A, making it suitable for powering high-current loads.
4. Synchronous Rectification: The device uses synchronous rectification to improve efficiency and reduce power loss.
5. Protection Features: The LM22670MRX-5.0/NOPB includes over-current protection, over-voltage protection, and thermal shutdown protection to ensure safe and reliable operation.
6. Small Form Factor: The compact 20-pin, 3mm x 4mm QFN package makes the device suitable for space-constrained applications.

Applications:

The LM22670MRX-5.0/NOPB is suitable for a wide range of applications, including:

1. Portable Electronics: The device can be used to power portable electronic devices such as smartphones, tablets, and wearable devices.
2. Industrial Equipment: The LM22670MRX-5.0/NOPB can be used to power industrial equipment such as sensors, controllers, and motor drivers.
3. Medical Devices: The device can be used in medical devices that require a stable and reliable power supply.
4. Telecom Equipment: The LM22670MRX-5.0/NOPB can be used to power telecom equipment such as base stations and routers.
5. Automotive Applications: The device can be used in automotive applications such as infotainment systems, dashboard cameras, and advanced driver assistance systems (ADAS).

In summary, the LM22670MRX-5.0/NOPB is a highly efficient and reliable step-down converter from Texas Instruments that offers a wide input voltage range, high output current, and a compact form factor. It is suitable for a wide range of applications, including portable electronics, industrial equipment, medical devices, telecom equipment, and automotive applications.

LM22670MRX-5.0/NOPB Documents

Download datasheets and manufacturer documentation for LM22670MRX-5.0/NOPB

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Process change notification (PDF)       Qualification of GFAB as an additional Wafer Fab site option for select devices in ABCD05/ABCD5HV Technology (PDF)      

Models :

LM22670MRX-5.0/NOPB Symbol & Footprint by SnapMagic      

Product Catalogs :

SIMPLE SWITCHER Overview Brochure (Rev. B)       Control-Mode Quick Reference Guide (Rev. A)       Power Management Guide 2018 (Rev. R)      

Application Notes :

AN-1229 SIMPLE SWITCHER PCB Layout Guidelines (Rev. C)       AN-1246 Stresses in Wide Input DC-DC Converters (Rev. C)       AN-1997 Error Amplifier Limitations in High-Performance Regulator Applications (Rev. A)       AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A)       AN-643 EMI/RFI Board Design (Rev. B)       AN-1566 Techniques for Thermal Analysis of Switching Power Supply Designs (Rev. A)       AN-1533 Overvoltage Protection Circuit for Automotive Load Dump (Rev. B)       AN-1520 A Guide to Board Layout for Best Thermal Resistance for Exposed Packages (Rev. B)       Know Your Limits       AN-1797 TO-263 THIN Package (Rev. A)       Input and Output Capacitor Selection       AN-2020 Thermal Design By Insight Not Hindsight (Rev. C)       AN-1197 Selecting Inductors for Buck Converters (Rev. B)       Low EMI Layout Made SIMPLE With LM43600/1/2/3 and LM46000/1/2 (Rev. A)       AN-2162 Simple Success With Conducted EMI From DC-DC Converters (Rev. C)       AN-2155 Layout Tips for EMI Reduction in DC/ DC Converters (Rev. A)       SIMPLE SWITCHER Regulators Take Over Automotive Applications (Rev. A)       AN-1149 Layout Guidelines for Switching Power Supplies (Rev. C)      

Technical Resources :

LM22670-5.0 TINA-TI Startup Transient Reference Design       LM22670-5.0 TINA-TI Steady StateTransient Reference Design       LM22670-5.0 TINA-TI Average Reference Design       LM22670-5.0 TINA-TI Line Transient Reference Design       LM22670-5.0 TINA-TI Load Transient Reference Design      

SPICE Models :

LM22670-ADJ PSpice Transient Model       LM22670-ADJ Unencrypted PSpice Transient Model       LM22670-5.0 PSpice Average Model       LM22670-5.0 PSpice Transient Model       LM22670-5.0 TINA-TI Average Spice Model       LM22670-ADJ PSpice Average Model       LM22670-5.0 TINA-TI Transient Spice Model       LM22670-5.0 Unencrypted PSpice Transient Model       LM22670-ADJ Unencrypted PSpice Average Model       LM22670-5.0 Unencrypted PSpice Average Model