Feature
· Buck Controller (VDDQ)
· High Input Voltages Range from 6V to 21V Input Power
· Provide Adjustable Output Voltage from 0.9V to 2V +1%Accuracy over Temperature
· Integrated MOSFET Drivers and Bootstrap Forward P-CH MOSFET
· Low Quiescent Current (200mA)
· Excellent Line and Load Transient Responses
· PFM Mode for Increased Light Load Efficiency
· Constant On-Time Controller Scheme
- Switching Frequency Compensation for PWM Mode
- Adjustable Switching Frequency from 400kHz to 550kHz in PWM Mode with DC Output Current
· S3 and S5 Pins Control The Device in S0, S3 or S4/S5 State
· Power Good Monitoring
· 70% Under-Voltage Protection (UVP)
· 125% Over-Voltage Protection (OVP)
· Adjustable Current-Limit Protection
- Using Sense Low-Side MOSFETs RDS(ON)
Application
· DDR2, and DDR3/DDR3L Memory Power Supplies
· SSTL-2 SSTL-18 and HSTL Termination