LTC3890-2
Description
The LTC®3890-2 is a high performance dual step-down switching regulator DC/DC controller that drives all N-channel synchronous power MOSFET stages.
Key Features
- n Wide VIN Range: 4V to 60V (65V Abs Max)
- Low Operating IQ: 50µA (One Channel On)
- Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 24V
- RSENSE or DCR Current Sensing
- Out-of-Phase Controllers Reduce Input Capacitance
- Phase-Lockable Frequency (75kHz to 850kHz)
- Programmable Fixed Frequency (50kHz to 900kHz)
- Selectable Continuous, Pulse-Skipping or Low Ripple
- Selectable Current Limit
- Very Low Dropout Operation: 99% Duty Cycle
Applications
- Battery Operated Digital Devices
