Features
 Low RDS(ON) for internal switches (top/bottom)
130 mΩ/90 mΩ, 2.0 A DC current
 4.5 ~ 28 V input voltage range
 High-efficiency synchronous-mode
 Internal soft start limits the inrush current
 Overcurrent protection
 Thermal shutdown
 Green package: DFN2*2-6 is pin compatible
Applications
 Portable navigation device
 Set top box
 Portable TV
 LCD TV
Descriptions
The DIG69222 is a high-efficiency, high-frequency
synchronous step-down DC-DC regulator IC
capable of delivering up to 2 A continuous output
currents. The DIG69222 operates over a wide
input voltage range from 4.5 V to 28 V and
integrates the main switch and synchronous
switch with very low RDS(ON) to minimize the
conduction loss.
The DIG69222 adopts the COT architecture to
achieve fast transient responses for high step
down applications and high efficiency at light
loads. In addition, it operates at pseudo-constant
frequency of 500 kHz under heavy load conditions
to minimize the size of inductor and capacitor.