LM22679TJE-ADJ/NOPB

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Details for Texas Instruments

LM22679TJE-ADJ/NOPB

SIMPLE SWITCHER® 4.5V to 42V, 5A Step-Down Voltage Regulator with Adjustable Soft-Start & Current Li
Buy Directly from Texas Instruments (4185 in Stock)
$2.7600 per unit
Series Information for LM22679TJE-ADJ/NOPB - Texas Instruments

Features

  • feature
    100-mu2126 N-Channel MOSFET
  • feature
    Adjustable Current Limit
  • feature
    Adjustable Soft-Start
  • feature
    Fully WEBENCHu00ae Enabled
  • feature
    Integrated Boot-Strap Diode
  • feature
    Internally Compensated Voltage Mode Control
  • feature
    LM22679-Q1 is AEC-Q100 Qualified and Manufactured on an Automotive-Grade Flow
  • feature
    Output Voltage Options: -ADJ (Outputs as Low as 1.285 V) -5.0 (Output Fixed to 5 V)
  • feature
    PFM (Exposed Pad) Package
  • 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
The LM22679 switching regulator provides all of the functions necessary to implement an efficient highvoltage step-down (buck) regulator using a minimum of external components. This easy-to-use regulator incorporates a 42-V N-channel MOSFET switch that can provide up to 5 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. An adjustable soft-start feature is provided through the selection of a single external capacitor. In addition, the switch-current limit can be programmed with a single external resistor, allowing solution optimization. The LM22679 device also has built-in thermal shutdown and current limiting to protect against accidental overloads. 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:
TO-263
No. of Pins:
7Pins
Output Current:
5A
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 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Adjustable Output Voltage Min:
1.285V
Base Number:
22679
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 7-Pin Thin TO-263 EP T/R

Avnet America product

Avnet Europe

Conv DC-DC Single Step Down 4.5V to 42V 7-Pin Thin TO-263 EP T/R

Avnet Europe product

Texas Instruments

SIMPLE SWITCHER® 4.5V to 42V, 5A Step-Down Voltage Regulator with Adjustable Soft-Start & Current Li

Texas Instruments product