LM22676MRE-5.0/NOPB Part Information

Details for LM22676MRE-5.0/NOPB by Texas Instruments

Electronic & Electrical Components>Semiconductors - ICs>Power Management

Part Description

The LM22676 switching regulator provides all of the functions necessary to implement an efficient high voltage step-down (buck) regulator using a minimum of external components. This easy to use regulator incorporates a 42 V N-channel MOSFET switch capable of providing up to 3 A of load current. Excellent line and load regulation along with high efficiency (> 90%) are featured. Voltage mode control offers short minimum on-time, allowing the widest ratio between input and output voltages. Internal loop compensation means that the user is free from the tedious task of calculating the loop compensation components. Fixed 5 V output and adjustable output voltage options are available. A switching frequency of 500 kHz allows for small external components and good transient response. A precision enable input allows simplification of regulator control and system power sequencing. In shutdown mode the regulator draws only 25 µA (typ). Built in soft-start (500 µs, typ) saves external components. The LM22676 also has built in thermal shutdown, and current limiting to protect against accidental overloads. The LM22676 is a member of Texas Instruments' SIMPLE SWITCHER® family. The SIMPLE SWITCHER® concept provides for an easy to use complete design using a minimum number of external components and the TI WEBENCH® design tool. TI's WEBENCH® tool includes features such as external component calculation, electrical simulation, thermal simulation, and Build-It boards for easy design-in.

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Part Features

  • 100 mu2126 N-Channel MOSFET PSOP-8 Package
  • 120 mu2126 N-Channel MOSFET PFM Package
  • Fully WEBENCHu00ae Enabled
  • Integrated Boot-Strap Diode
  • Integrated Soft-Start
  • Internally Compensated Voltage Mode Control
  • LM22676Q is an Automotive Grade Product that is AEC-Q100 Grade 1 Qualified (u201340u00b0C to +125u00b0C Operating Junction Temperature)
  • Output Voltage Options: -ADJ (Outputs as Low as 1.285 V) -5.0 (Output Fixed to 5 V)
  • PFM (Exposed Pad)
  • Precision Enable Pin
  • SO PowerPAD (Exposed Pad
  • Stable with Low ESR Ceramic Capacitors
  • Switching Frequency of 500 kHz
  • Wide Input Voltage Range: 4.5 V to 42 V
  • u00b11.5% Feedback Reference Accuracy
  • u201340u00b0C to 125u00b0C Operating Junction Temperature Range

Part Specifications

Topology Buck (Step Down)
Input Voltage Min 4.5V
Input Voltage Max 42V
DC / DC Converter IC Case SOIC
No. of Pins 8Pins
Output Current 3A
Output Voltage Nom. 5V
Switching Frequency 500kHz
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 3 - 168 hours
SVHC No SVHC (27-Jun-2018)
Accuracy % 1.5%
Base Number 22676
Frequency 500kHz
No. of Outputs 1Outputs
Operating Temperature Min -40°C
Operating Temperature Range -40°C to +125°C
Output Current Max 3A
Output Voltage 5V
Output Voltage Max 5.1V
Primary Input Voltage 12V
Supply Voltage Max 42V
Supply Voltage Min 4.5V
Switch Output Current Isw Max 5.5A
Termination Type Surface Mount Device
Voltage Regulator Type Step Down (Buck)
RoHS Compliant

Alternative Part Descriptions

  • DC-DC Converter Step-Down 42V PSOP8 EP | RS Components
  • STEP-DOWN REGULATOR, SO-8; Topology:Buck (Step Down); Input Voltage Min:4.5V; Input Voltage Max:42V; DC / DC Converter IC Case:SOIC; No. of Pins:8Pins; Output Current:3A; Switching Frequency:500kHz; Operating Temperature Max:125°C RoHS Compliant: Yes | Newark Electronics
  • SIMPLE SWITCHER® 4.5V to 42V, 3A Step-Down Regulator with Precision Enable | Texas Instruments

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