| TYPE | DESCRIPTION |
|---|
| Mounting Style | Through Hole |
| Frequency | 260 kHz |
| Number of Pins | 7 Pin |
| Case/Package | TO-220-7 |
| Number of Outputs | 1 Output |
| Output Voltage | 1.2V ~ 37V |
| Output Current | 5 A |
| Number of Positions | 7 Position |
| 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) | 5 A |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage | 8 V |
| Supply Voltage (Min) | 8 V |
| Input Voltage | 8V ~ 40V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tube |
| Operating Temperature | -40℃ ~ 125℃ (TJ) |
The LM2678T-ADJ is a SIMPLE SWITCHER® high efficiency Step-down Voltage Regulator provides all of the active functions for a step-down (buck) switching regulator capable of driving up to 5A loads with excellent line and load regulation characteristics. High efficiency (>90%) is obtained through the use of a low ON-resistance DMOS power switch. This regulator is available in an adjustable output version. The SIMPLE SWITCHER® concept provides for a complete design using a minimum number of external components. A 260KHz high fixed frequency oscillator allows the use of physically smaller sized components. A family of standard inductors for use with this regulator is available from several manufacturers to greatly simplify the design process. The LM2678 series also has built in thermal shutdown, current limiting and an ON/OFF control input that can power down the regulator to a low 50µA quiescent current standby condition. The output voltage is ensured to a ±2% tolerance.
● 120mR DMOS output switch
● Simple and easy to design with external components
● 50µA Standby current when switched off
● ±2% Maximum output tolerance over full line and load conditions
● -40 to 125°C Operating temperature range
●This device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
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