TPS54340 Reference Design Circuit | Step-Down DC-DC Converter Application Circuit

The TPS54340 is a 42V input 3.5A step-down DC/DC converter with an integrated high-side MOSFET. This article mainly introduces the TPS54340 features, application range, reference design circuit and circuit analysis to help you shorten the design time.

TPS54340 features: integrated high-side MOSFET; pulse skip Eco mode; fixed or adjustable switching frequency from 100kHz to 2.5MHz; internal soft start

Typical application range of TPS54340: 12V, 24V and 48V industrial, automotive and communication power systems

TPS54340 reference design application circuit:

Figure 1 TPS54340 internal structure diagram

The device survives load dump pulses up to 45 V per ISO 7637. Current mode control provides simple external compensation and flexible component selection. The TPS54340 is a 42 V, 3.5 A, step down regulator with an integrated high side MOSFET.

Figure 2 TPS54340 reference design

TheTPS54340 is a 42 V, 3.5 A, step-down (buck) regulator with an integrated high side n-channel MOSFET. The device implements constant frequency, current mode control which reduces output capacitance and simplifies external frequency compensation.

TPS54340 Chinese data sheet: Click to download

More schematics and source code popular application circuit: click now

Open Frame For Infrared Touch Monitor

GreenTouch's LCD open frame for infrared Touch Monitor is a touch solution developed for automated information systems, gaming and entertainment, as well as light industrial automation controls,making GreenTouch's touch monitor product line even more complete.The touch monitor display is based on the concept "Design for simple and convenience", with proven GreenTouch expertise and reliability.GreenTouch's open frame touch monitor delivers an perfect solution that is cost-effective for worldwide customers requiring a reliable product .Designed with reliability from the start, GreenTouch's open frames deliver outstanding image clarity and light transmission with stable, drift-free operation for accurate touch responses.

* Display Type: Active Matrix TFT LCD, LED Backlight

* Touch Type:Infrared ,10 Points Touch

* Display Ports:VGA+DVI,VGA+DVI+HDMI,VGA + DVI + HDMI + DP

* Touch Systems:Windows,Android,Linux

* Certificates:UL,FCC,CE,CB,HDMI

* Warranty:1 Year

* Customized:Support

Dust-Proof Industrial Touch Monitor,Waterproof Industrial Touch Monitor,Anti-Interference Touch Monitor,Wall-Mounted Embedded Touch Monitor,Infrared Touchscreen Monitors

ShenZhen GreenTouch Technology Co.,Ltd , https://www.bbstouch.com