LT8612
Description
The LT®8612 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 3µA of quiescent current. Top and bottom power switches are included with all necessary circuitry to minimize the need for external components.
Key Features
- Wide Input Voltage Range: 3.4V to 42V
- Ultralow Quiescent Current Burst Mode® Operation: nn 3μA IQ Regulating 12VIN to 3.3VOUT nn Output Ripple < 10mVP-P
- High Efficiency Synchronous Operation: nn 95% Efficiency at 3A, 5VOUT from 12VIN nn 94% Efficiency at 3A, 3.3VOUT from 12VIN
- Fast Minimum Switch-On-Time: 40ns
- Low Dropout Under All Conditions: 250mV at 3A
- Allows Use of Small Inductors
- Safely Tolerates Inductor Saturation in Overload Conditions
- Adjustable and Synchronizable: 200kHz to 2.2MHz
- Current Mode Operation
- Accurate 1V Enable Pin Threshold
