The RT8293AL IC is installed on the main board of some Samsung and Sony Bravia LED TVs. Moreover, the RT8293AL IC is used in routers, set-top boxes, industrial low-power systems, and various electronics applications. So, to give a clear idea about the input voltage range, output voltage, and current rate of this IC, a basic Circuit Diagram of RT8293AL IC, its pin function, and all the information is published on this page.
Features of RT8293 IC:
Input voltage range- DC 4.5 Volts to 23 Volts
Internal oscillator frequency- 340kHz
Adjustable output voltage- 0.8V to 20V
Output Current- 3 Ampere
Efficiency- 95%
System- Programmable soft start
Protection- Output under voltage, input under voltage lockout, thermal shutdown
Integration- Tow N-Channel Mosfet for the voltage output section.
The performance of this IC is versatile and durable, and it is not easily damaged.
Pinout or pin functions of RT8293 IC:
Pin1- Boot or Bootstrap high side get driver
Pin2- Vin or Voltage input pin
Pin3- Sw or Phase Node: External filter capacitor pin
Pin4- Gnd or Ground. It is connected to the IC's exposed pads for maximum power dissipation.
Pin5- FB. FB is the feedback pin, which receives the feedback voltage from the converter output section to keep the output voltage constant.
Pin6- Comp or compensation node. It is used to compensate for the regulation control loop.
Pin7- En or Enable input pin.
Pin8- SS or soft start control pin
RT8293AL IC Schematic Circuit Diagram with pinout
Pinout or pin functions of the IC are indicated in the circuit diagram. The values of some of the resistors and capacitors connected in this circuit can be changed depending on the application since the RT8293AL is an adjustable DC-to-DC converter IC. Moreover, this circuit's VIN and Vout sections can have more filter capacitors as required by the application.
RT8293A IC Circuit Diagram |
Components value of RT8292A IC Circuit Diagram for 3.3V output:
Since RT8292 is an adjustable regulator IC, the output voltage of its circuit depends on the values of the inductors and resistors. Below table is recommended component selection for 1V, 1.2V, 1.5V, 2.5V, 3.3V, 5V, and 8V output from RT8293AL IC. The best results are obtained if the tolerance of the resistors is ±5%.
Below is the recommended component selection datasheet for RT8293AL IC ( instead of pdf datasheet )
Component Selection Datasheet For RT8293AL IC |