Datasheet Analog Devices LTC3828EUH#PBF — Datenblatt

LTC3828
Dual, 2-Phase Step-Down
Controller with Tracking
DESCRIPTION FEATURES Dual, 180° Phased Controllers Reduce Required
Input Capacitance and Power Supply Induced Noise
Tracking for Both Outputs
Constant Frequency Current Mode Control
Wide VIN Range: 4.5V to 28V Operation
Power Good Output Voltage Indicator
Adjustable Soft-Start Current Ramping
Foldback Output Current Limiting–
Disabled at Start-Up
No Reverse Current During Soft-Start Interval
Clock Output for 3-, 4-, 6-Phase Operation
Dual N-Channel MOSFET Synchronous Drive
±1% Output Voltage Accuracy
Phase-Lockable Fixed Frequency 260kHz to 550kHz
OPTI-LOOP® Compensation Minimizes COUT
Very Low Dropout Operation: 99% Duty Cycle
Output Overvoltage Protection
Small 28-Lead SSOP and 5mm × 5mm QFN
Packages APPLICATIONS n The LTC®3828 is a dual high performance step-down
switching regulator controller that drives all N-channel …