LM22672MRE-5.0/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
DC / DC Converter IC Case SOP
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 MSL 3 - 168 hours
SVHC No SVHC (27-Jun-2018)
Accuracy % 1.5%
Base Number 22672
Frequency 1MHz
No. of Outputs 1Outputs
Operating Temperature Min -40°C
Operating Temperature Range -40°C to +125°C
Output Current Max 1A
Output Voltage 5V
Output Voltage Max 5.1V
Primary Input Voltage 12V
Supply Voltage Max 42V
Supply Voltage Min 4.5V
Switch Output Current Isw Max 1.8A
Termination Type Surface Mount Device
Voltage Regulator Type Step Down (Buck)

Alternative Descriptions

DC-DC Converter Inv/Step-Dn 42V PSOP8 EP | RS
Simpleswitch, 1.0A 4.5~42Vin, 8Psop | Newark Electronics

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