Datasheet Details
| Part number | LTC3890-2 |
|---|---|
| Manufacturer | Linear Technology (now Analog Devices) |
| File Size | 935.81 KB |
| Description | 2-Phase Synchronous Step-Down DC/DC Controller |
| Datasheet |
 LTC3890-2 Datasheet
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General 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.
A constant frequency current mode architecture allows a phaselockable frequency of up to 850kHz.
Key Features
- n Wide VIN Range: 4V to 60V (65V Abs Max) n Low Operating IQ: 50µA (One Channel On) n Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 24V n RSENSE or DCR Current Sensing n Out-of-Phase Controllers Reduce Input Capacitance and Power Supply Induced Noise n Phase-Lockable Frequency (75kHz to 850kHz) n Programmable Fixed Frequency (50kHz to 900kHz) n Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode® Operation at Light Loads n Selectable Current Limit n Very Low Dropout Operation: 99% Duty Cyc.