LM22674MRE-5.0/NOPB Semiconductors - ICs by Texas Instruments

SIMPLESWITCH 5.0V 4.5~42VIN 8PSOP REEL

Semiconductors - ICs

> Power Management ICs - PMIC

> Voltage Regulators

> DC / DC Fixed Switching Regulators

Status:	Unknown
Series:	-
RoHS:	Unknown

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The LM22674 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 500 mA 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. A precision enable input allows simplification of regulator control and system power sequencing. In shutdown mode the regulator draws only 25 µA (typ). Built in soft-start (500 µs, typ) saves external components. The LM22674 also has built in thermal shutdown, and current limiting to protect against accidental overloads. The LM22674 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.

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Specifications

Topology	Buck (Step Down)
Input Voltage Min	4.5V
Input Voltage Max	42V
DC / DC Converter IC Case	SOIC
No. of Pins	8Pins
Output Current	500mA
Output Voltage Nom.	5V
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%
Base Number	22674
Frequency	500kHz
No. of Outputs	1Outputs
Operating Temperature Min	-40°C
Operating Temperature Range	-40°C to +125°C
Output Current Max	0.5A
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	0.9A
Termination Type	Surface Mount Device
Voltage Regulator Type	Step Down (Buck)

Alternative Descriptions

Ic, Sw Reg | Newark Electronics

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