TYPE | DESCRIPTION |
---|
Mounting Style | Surface Mount |
Number of Pins | 14 Pin |
Case/Package | VSON-14 |
Number of Outputs | 1 Output |
Output Voltage | 1.2V ~ 37V |
Output Current | 3 A |
Quiescent Current | 4.20 mA |
Number of Regulated Outputs | 1 Output |
Switching Frequency | 260 kHz |
Topology | Buck |
Input Voltage (Max) | 40 V |
Input Voltage (Min) | 8 V |
Output Voltage (Max) | 37 V |
Output Voltage (Min) | 1.2 V |
Output Current (Max) | 3 A |
Operating Temperature (Max) | 125 ℃ |
Operating Temperature (Min) | -40 ℃ |
Input Voltage | 8V ~ 40V |
TYPE | DESCRIPTION |
---|
Product Lifecycle Status | Active |
Packaging | Tape & Reel (TR) |
Operating Temperature | -40℃ ~ 125℃ |
The LM2673 series of regulators are monolithic integrated circuits which provide all of the active functions for a step-down (buck) switching regulator capable of driving up to 3-A loads with excellent line and load regulation characteristics. High efficiency (>90%) is obtained through the use of a low ON-resistance DMOS power switch. The series consists of fixed output voltages of 3.3 V, 5 V, and 12 V and an adjustable output version.
●The SIMPLE SWITCHER® concept provides for a complete design using a minimum number of external components. A high fixed frequency oscillator (260 kHz) allows the use of physically smaller sized components. A family of standard inductors for use with the LM2673 are available from several manufacturers to greatly simplify the design process.
●Other features include the ability to reduce the input surge current at power on by adding a soft-start timing capacitor to gradually turn on the regulator. The LM2673 series also has built-in thermal shutdown and resistor programmable current limit of the power MOSFET switch to protect the device and load circuitry under fault conditions. The output voltage is ensured to a ±2% tolerance. The clock frequency is controlled to within a ±11% tolerance.
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