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Details for LM22672MR-5.0/NOPB by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
LM22672MR-5.0/NOPB
Buy Directly from Texas Instruments (6740 in stock) $1.6900
DC-DC CONV BUCK 500KHZ HSOP-8
LM22672MR-5.0/NOPB image

LM22672MR-5.0/NOPB by Texas Instruments

DC-DC CONV BUCK 500KHZ HSOP-8
Features
200 mu2126 N-Channel MOSFET
500 kHz Default Switching Frequency
Adjustable Soft-Start
Adjustable Switching Frequency and Synchronization
Fully WEBENCHu00ae Enabled
Integrated Boot-Strap Diode
Internally Compensated Voltage Mode Control
LM22672-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)
Precision Enable Input
SO PowerPAD (Exposed Pad)
Stable with Low ESR Ceramic Capacitors
Wide Input Voltage Range: 4.5 V to 42 V
u00b11.5% Feedback Reference Accuracy
u201340u00b0C to 125u00b0C Junction Temperature Range
Part Information
LM22672MR-5.0/NOPB image
RoHS Compliant
Description
The LM22672 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 1 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. The default switching frequency is set at 500 kHz allowing for small external components and good transient response. In addition, the frequency can be adjusted over a range of 200 kHz to 1 MHz with a single external resistor. The internal oscillator can be synchronized to a system clock or to the oscillator of another regulator. A precision enable input allows simplification of regulator control and system power sequencing. In shutdown mode the regulator draws only 25 µA (typ). An adjustable soft-start feature is provided through the selection of a single external capacitor. The LM22672 also has built in thermal shutdown, and current limiting to protect against accidental overloads. The LM22672 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
DC / DC Converter IC Case:
SO PowerPAD
No. of Pins:
8Pins
Output Current:
1A
Output Voltage Nom.:
5V
Switching Frequency:
1MHz
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
-
SVHC:
No SVHC (27-Jun-2018)
No. of Outputs:
1Outputs
Operating Temperature Min:
-40°C
Output Voltage:
5V
Primary Input Voltage:
42V
Alternate Descriptions
DC-DC CONV, BUCK, 500KHZ, HSOP-8; Topology:Buck (Step Down); Input Voltage Min:4.5V; Input Voltage Max:42V; DC / DC Converter IC Case:SO PowerPAD; No. of Pins:8Pins; Output Current:1A; Output Voltage Nom.:5V; Switching RoHS Compliant: Yes Newark Electronics
Conv DC-DC Single Step Down 4.5V to 42V 8-Pin PSOP EP Rail Avnet America
Conv DC-DC Single Step Down 4.5V to 42V 8-Pin PSOP EP Rail Avnet Europe
SIMPLE SWITCHER® 4.5V to 42V, 1A Step-Down Voltage Regulator with Adjustable Frequency Texas Instruments