LM22672MRE-ADJ/NOPB Semiconductors - ICs by Texas Instruments

SIMPLESWITCH 1.0A 4.5~42VIN 8PSOP REEL

Status: Unknown
Series: -
RoHS: Unknown
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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.
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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 1A
Output Voltage Min 1.285V
Output Voltage Max 37V
Switching Frequency 1MHz
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 22672
Frequency 1MHz
Operating Temperature Min -40°C
Operating Temperature Range -40°C to +125°C
Output Current Max 1A
Primary Input Voltage 42V
Supply Voltage Min 4.5V
Supply Voltage Typ 12V
Switch Output Current Isw Max 1.8A
Termination Type Surface Mount Device
Voltage Regulator Type Step Down (Buck)

Alternative Descriptions

IC, SW REG | element14
SIMPLE SWITCHER® 4.5V to 42V, 1A Step-Down Voltage Regulator with Adjustable Frequency | Texas Instruments

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