0
ACTIVE
Vin (max) (V) |
75 |
Vin (min) (V) |
6 |
FET |
External single FET |
Device type |
ORing controller |
Number of channels |
1 |
Rating |
Catalog |
Features |
FET test, Linear control, Reverse current blocking |
Imax (A) |
250 |
Iq (typ) (mA) |
0.4 |
Iq (max) (mA) |
0.72 |
IGate source (typ) (µA) |
32 |
IGate source (max) (µA) |
45 |
IGate sink (typ) (mA) |
2.8 |
IGate pulsed (typ) (A) |
2.8 |
Operating temperature range (°C) |
-40 to 125 |
VSense reverse (typ) (mV) |
-41, -28 |
Design support |
EVM, Reference Design, Simulation Model |
VGS (max) (V) |
14.7 |
Shutdown current (ISD) (mA) (A) |
0.1 |
Product type |
ORing controller |
SOT-23-THN (DDC)-6-8.12 mm² 2.9 x 2.8
All trademarks are the property of their respective owners.
The LM5050-2 High Side OR-ing FET Controller operates in conjunction with an external MOSFET as an ideal diode rectifier when connected in series with a power source. This OR-ing controller allows MOSFETs to replace diode rectifiers in power distribution networks thus reducing both power loss and voltage drops.
The LM5050-2 controller provides charge pump gate drive for an external N-Channel MOSFET and a fast response comparator to turn off the FET when current flows in the reverse direction. The LM5050-2 can connect power supplies ranging from +6V to +75V and can withstand transients up to +100V.
The LM5050-2 also provides a FET test diagnostic mode which allows the system controller to test for shorted MOSFETs.
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