Datasheet Linear Technology LTC4235IUFD-2#TRPBF — 数据表

LTC4235
Dual 12V Ideal Diode-OR
and Single Hot Swap Controller
with Current Monitor
Description Features Ideal Diode-OR and Inrush Current Control for
Redundant Supplies
nn Low Loss Replacement for Power Schottky Diodes
nn Enables Safe Board Insertion into a Live Backplane
nn 9V to 14V Operation
nn Current Monitor Output
nn Controls N-Channel MOSFETs
nn Limits Peak Fault Current in ≤ 1µs
nn Adjustable Current Limit with Foldback
nn Adjustable Current Limit Fault Delay
nn 0.5Вµs Ideal Diode Turn-On and Turn-Off Time
nn Smooth Switchover without Oscillation
nn Fault and Power Good Outputs
nn LTC4235-1: Latch Off After Fault
nn LTC4235-2: Automatic Retry After Fault
nn 20-Pin 4mm x 5mm QFN Package The LTCВ®4235 offers ideal diode-OR and Hot SwapTM
functions for two 12V power rails by controlling external
N-channel MOSFETs. MOSFETs acting as ideal diodes
replace two high power Schottky diodes and the associated heat sinks, saving power and board area. A Hot Swap …