LM22674MRE-ADJ/NOPB

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> Semiconductors - ICs

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Details for Texas Instruments

LM22674MRE-ADJ/NOPB

4.5V to 42V, 500mA SIMPLE SWITCHER® buck converter with precision enable
Buy Directly from Texas Instruments (4391 in Stock)
$1.4400 per unit
Series Information for LM22674MRE-ADJ/NOPB - Texas Instruments

Features

  • feature
    200 mu2126 N-Channel MOSFET
  • feature
    Fully WEBENCHu00ae Enabled
  • feature
    Integrated Boot-Strap Diode
  • feature
    Integrated Soft-Start
  • feature
    Internally Compensated Voltage Mode Control
  • feature
    LM22674-Q1 is an Automotive Grade Product that is AEC-Q100 Grade 1 Qualified (u201340u00b0C to +125u00b0C Operating Junction Temperature)
  • feature
    Output Voltage Options: -ADJ (Outputs as Low as 1.285 V) -5.0 (Output Fixed to 5 V)
  • feature
    Precision Enable Pin
  • feature
    SO PowerPAD (Exposed Pad)
  • feature
    Stable with Low ESR Ceramic Capacitors
  • feature
    Switching Frequency of 500 kHz
  • feature
    Wide Input Voltage Range: 4.5 V to 42 V
  • feature
    u00b11.5% Feedback Reference Accuracy
  • feature
    u201340u00b0C to 125u00b0C Operating Junction Temperature Range

Description

IC SW REG FULL REEL
The LM22674 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 500 mA 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 LM22674 also has built in thermal shutdown, and current limiting to protect against accidental overloads. The LM22674 device 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.

Specifications

Topology:
Buck (Step Down)
Input Voltage Min:
4.5V
Input Voltage Max:
42V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
SOIC
No. of Pins:
8Pins
Output Current:
500mA
Output Voltage Min:
1.285V
Output Voltage Max:
37V
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)
Adjustable Output Voltage Min:
1.285V
Base Number:
22674
Frequency:
500kHz
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +125°C
Primary Input Voltage:
42V
Supply Voltage Min:
4.7V
Termination Type:
Surface Mount Device
Voltage Regulator Type:
Step Down (Buck)

Alternate Descriptions

Avnet America

Conv DC-DC Single Step Down 4.5V to 42V 8-Pin PSOP EP T/R

Avnet America product

Avnet Europe

Conv DC-DC Single Step Down 4.5V to 42V 8-Pin PSOP EP T/R

Avnet Europe product

Texas Instruments

4.5V to 42V, 500mA SIMPLE SWITCHER® buck converter with precision enable

Texas Instruments product