MT3420
1.
4MHz, 2A Synchronous Step-Down DC/DC Converter
FEATURES
High Efficiency: Up to 95% 1.
4MHz Constant Frequency Operation 2A Output Current No
Schottky Diode Required 2.
4V to 5.
5V Input Voltage Range Output Voltage as Low as 0.
6V Low Quiescent Current: 40µA Slope Compensated Current Mode Control for
Excellent Line and Load Transient Response Inrush Current Limit and Soft Start 1µA Shutdown Current Available in DFN33-10 and WQFN-16L 3x3
package
APPLICATIONS
Cellular and Smart Phones
Wireless and DSL Modems PDAs Digital Still and Video Cameras PC Cards
GENERAL DESCRIPTION
The MT3420 is a constant frequency, current mode PWM step-down converter.
The dev...