Datasheet Linear Technology LTC3615IUF#PBF — 数据表

LTC3615/LTC3615-1
Dual 4MHz, 3A Synchronous
Step-Down DC/DC Converter
Description Features n n n n n n n n n n n n n n n n High Efficiency: Up to 94%
Dual Outputs with 2 × 3A Output Current Capability
Low Output Ripple Burst Mode® Operation: IQ = 130µA
2.25V to 5.5V Input Voltage Range
±1% Output Voltage Accuracy
Output Voltages Down to 0.6V
Programmable Slew Rate at Switch Pins
Low Dropout Operation: 100% Duty Cycle
Shutdown Current ≤1µA
Adjustable Switching Frequency Up to 4MHz
Internal or External Compensation
Selectable Pulse-Skipping/Forced Continuous/
Burst Mode Operation with Adjustable Burst Clamp
Optional Active Voltage Positioning (AVP) with
Internal Compensation
Selectable 0°/90°/180° (LTC3615) or selectable
140°/180° (LTC3615-1) Phase Shift Between Channels
Fixed Internal and Programmable External Soft-Start
Accurate Start-Up Tracking Capability
DDR Memory Mode IOUT = ±1.5A …