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Details for LM22673MRE-ADJ/NOPB by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
LM22673MRE-ADJ/NOPB
Buy Directly from Texas Instruments (12878 in stock) $1.8700
SIMPLESWITCH 3.0A 4.5~42VIN 8PSOP REEL
LM22673MRE-ADJ/NOPB image

LM22673MRE-ADJ/NOPB by Texas Instruments

SIMPLESWITCH 3.0A 4.5~42VIN 8PSOP REEL
Features
100 mu2126 N-Channel MOSFET SO PowerPAD Package
120 mu2126 N-Channel MOSFET PFM Package
Adjustable Current Limit
Adjustable Soft-Start
Fully Webenchu00ae Enabled
Integrated Boot-Strap Diode
Internally Compensated Voltage Mode Control
LM22673-Q1 is an Automotive Grade Product that is AEC-Q100 Grade 1 Qualified (u201340u00b0C to +125u00b0C Junction Temperature)
Output Voltage Options: -ADJ (Outputs as Low as 1.285 V) -5.0 (Output Fixed to 5 V)
PFM (Exposed Pad)
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 Information
LM22673MRE-ADJ/NOPB image
RoHS Compliant
Description
The LM22673 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. 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 LM22673 device also has built-in thermal shutdown, and current limiting to protect against accidental overloads. The LM22673 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:
3A
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)
Accuracy %:
1.5%
Adjustable Output Voltage Max:
1.311V
Adjustable Output Voltage Min:
1.259V
Base Number:
22673
Frequency:
500kHz
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +125°C
Output Current Max:
3A
Primary Input Voltage:
42V
Supply Voltage Min:
4.5V
Supply Voltage Typ:
12V
Switch Output Current Isw Max:
5.5A
Termination Type:
Surface Mount Device
Voltage Regulator Type:
Step Down (Buck)
Alternate Descriptions
Conv DC-DC Single Inv/Step Down 4.5V to 42V 8-Pin PSOP EP T/R Avnet America
Conv DC-DC Single Inv/Step Down 4.5V to 42V 8-Pin PSOP EP T/R Avnet Europe
SIMPLE SWITCHER® 4.5V to 42V, 3A Step-Down Voltage Reg. with Adjustable Soft-Start and Current Limit Texas Instruments