Datasheet Linear Technology LT3845AMPFE#PBF — Datenblatt

LT3845A
High Voltage Synchronous
Current Mode Step-Down
Controller with Adjustable
Operating Frequency
DESCRIPTION FEATURES n n n n n n n n n n n n High Voltage Operation: Up to 60V
Synchronizable Up to 600kHz
Adjustable Constant Frequency: 100kHz to 500kHz
Output Voltages Up to 36V
Stable Operation in Current Limit
Adaptive Nonoverlap Circuitry Prevents Switch
Shoot-Through
Reverse Inductor Current Inhibit for Discontinuous
Operation Improves Efficiency with Light Loads
Programmable Soft-Start
120µA No Load Quiescent Current
10µA Shutdown Supply Current
1% Regulation Accuracy
Standard Gate N-Channel Power MOSFETs
Reverse Overcurrent Protection
16-Lead Thermally Enhanced TSSOP Package The LT®3845A is a high voltage, synchronous, current
mode controller used for medium to high power, high
efficiency supplies. It offers a wide 4V to 60V input range …