Datasheet Linear Technology LT3840MPFE#PBF — 数据表

LT3840
Wide Input Range
Synchronous Regulator Controller
with Accurate Current Limit
Description Features The LT®3840 is a high voltage synchronous step-down
switching regulator controller capable of operating from
a 2.5V to 60V supply. Wide Input Range: 2.5V to 60V
n Integrated Buck-Boost Supply for 7.5V MOSFET
Gate Drive
n Programmable Constant-Current Operation with
Current Monitor Output
n Low I : 75µA, 12V to 3.3V
Q
IN
OUT
n Selectable Low Output Ripple Burst Mode®
Operatio V
OUT Up to 60V
n Adjustable and Synchronizable: 50kHz to 1MHz
n Internal OVLO Protects for Input Transients Up to 80V
n Accurate Input Overvoltage and Undervoltage Threshold
n Programmable Soft-Start with Voltage Tracking
n Power Good and Output OVP …