LM2672M-ADJ/NOPB Part Information

Details for LM2672M-ADJ/NOPB by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Power Management

Part Description

The LM2672 series of regulators are monolithic integrated DC-DC converter built with a LMDMOS process. These regulators provide all the active functions for a step-down (buck) switching regulator, capable of driving a 1-A load current with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5 V, 12 V, and an adjustable output version. Requiring a minimum number of external components, these regulators are simple to use and include patented internal frequency compensation, fixed frequency oscillator, external shutdown, softstart, and frequency synchronization. The LM2672 series operates at a switching frequency of 260 kHz, thus allowing smaller sized filter components than what is required with lower frequency switching regulators. Because of its very high efficiency (>90%), the copper traces on the printed-circuit board are the only heat sinking required.

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Part Features

  • 260-kHz Fixed Frequency Internal Oscillator
  • 3.3-V, 5-V, 12-V, and Adjustable Output Versions
  • Adjustable Version Output Voltage Range: 1.21 V to 37 V
  • Available in 8-Pin SOIC and PDIP Packages
  • Efficiency up to 96%
  • Requires only 5 External Components
  • Soft-Start and Frequency Synchronization
  • Specified 1-A Output Load Current
  • TTL Shutdown Capability, Low Power Standby Mode
  • Thermal Shutdown and Current Limit Protection
  • Wide Input Voltage Range: 8 V to 40 V
  • u00b11.5% Maximum Output Voltage Tolerance Over Line and Load Conditions

Part Specifications

Topology Buck (Step Down)
Input Voltage Min 6.5V
Input Voltage Max 40V
No. of Outputs 1Outputs
DC / DC Converter IC Case SOIC
No. of Pins 8Pins
Output Current 1A
Output Voltage Min 1.21V
Output Voltage Max 37V
Switching Frequency 260kHz
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Accuracy % 1.5%
Adjustable Output Voltage Min 1.21V
Frequency 275kHz
Operating Temperature Min -40°C
Operating Temperature Range -40°C to +125°C
Output Current Max 1A
Output Voltage 37V
Primary Input Voltage 40V
Supply Voltage Min 6.5V
Switch Output Current Isw Max 1A
Termination Type Surface Mount Device
Voltage Regulator Type Step Down (Buck)
RoHS Compliant

Alternative Part Descriptions

  • Step down switch regulator,LM2672M-ADJ | RS Components
  • IC, DC/DC CONVERTER, 1.55A, SMD; Topology:Buck (Step Down); Input Voltage Min:6.5V; Input Voltage Max:40V; No. of Outputs:1Outputs; DC / DC Converter IC Case:SOIC; No. of Pins:8Pins; Output Current:1A; Output Voltage Min:1.21V; RoHS Compliant: Yes | Newark Electronics
  • Conv DC-DC Single Step Down 8V to 40V 8-Pin SOIC N Rail | Avnet America
  • PMIC; DC/DC converter; Uin: 6.5÷40V; Uout: 1.23÷37V; SO8; buck | Transfer Multisort Elektronik
  • Switch. Reg 1A 1,21-37V 45Vs SO8 | Schukat Electronic
  • SIMPLE SWITCHER® 6.5V to 40V, 1A Low Component Count Step-Down Regulator | Texas Instruments
  • Switching Regulator [Texas Instruments] LM2672M-ADJ/NOPB Switching Regulator | Distrelec

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