
Richtek Technology
General Description
The RT8284 is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 2A output current from a 4.5V to 23V input supply. The RT8284s current mode architecture and external compensation allow the transient response to be optimized over a wide range of loads and output capacitors.
FEATUREs
● ±1.5% High Accuracy Feedback Voltage
● Input Voltage Range : 4.5V to 23V
● 2A Output Current
● Integrated N-MOSFETs
● Current Mode Control
● 340kHz Fixed Frequency Operation
● Output Adjustable Voltage Range : 0.923V to 20V
● Efficiency Up to 95%
● Programmable Soft-Start
● Stable with Low ESR Ceramic Output Capacitors
● Cycle-by-Cycle Over Current Protection
● Input Under Voltage Lockout
● Output Under Voltage Protection
● Thermal Shutdown Protection
● RoHS Compliant and Halogen Free
APPLICATIONs
● Wireless AP/Router
● Set-Top-Box
● Industrial and Commercial Low Power Systems
● LCD Monitors and TVs
● Green Electronics/Appliances
● Point of Load Regulation of High-Performance DSPs