Linear Technology LTC4357MPMS8#TRPBF
- Part Number:
- LTC4357MPMS8#TRPBF
- Manufacturer:
- Linear Technology
- Ventron No:
- 3261380-LTC4357MPMS8#TRPBF
- Description:
- IC OR CTRLR N 1 8MSOP
- ECAD Model:
-
- Datasheet:
- LTC4357MPMS8#TRPBF
Description
The LTC4357 is a positive high voltage ideal diode controller that drives an external N-channel MOSFET to replace a Schottky diode. It reduces power consumption, heat dissipation, voltage loss, and PC board area in diode-OR and high current diode applications. The LTC4357 easily ORs power sources to increase total system reliability. In diode-OR applications, it controls the forward voltage drop across the MOSFET to ensure smooth current transfer from one path to the other without oscillation. If the power source fails or is shorted, a fast turn-off minimizes reverse current transients.
Features
Reduces power dissipation by replacing a power Schottky diode with an N-channel MOSFET
0.5us turn-off time limits peak fault current
Wide operating voltage range: 9V to 80V
Smooth switchover without oscillation
No reverse DC current
Available in 6-lead (2mm x 3mm) DFN and 8-lead MSOP packages
Applications
N 1 redundant power supplies
High availability systems
Advanced TCA systems
Telecom infrastructure
Automotive systems
The LTC4357 is a positive high voltage ideal diode controller that drives an external N-channel MOSFET to replace a Schottky diode. It reduces power consumption, heat dissipation, voltage loss, and PC board area in diode-OR and high current diode applications. The LTC4357 easily ORs power sources to increase total system reliability. In diode-OR applications, it controls the forward voltage drop across the MOSFET to ensure smooth current transfer from one path to the other without oscillation. If the power source fails or is shorted, a fast turn-off minimizes reverse current transients.
Features
Reduces power dissipation by replacing a power Schottky diode with an N-channel MOSFET
0.5us turn-off time limits peak fault current
Wide operating voltage range: 9V to 80V
Smooth switchover without oscillation
No reverse DC current
Available in 6-lead (2mm x 3mm) DFN and 8-lead MSOP packages
Applications
N 1 redundant power supplies
High availability systems
Advanced TCA systems
Telecom infrastructure
Automotive systems
Linear Technology LTC4357MPMS8#TRPBF technical specifications, attributes, parameters and parts with similar specifications to Linear Technology LTC4357MPMS8#TRPBF.
- Factory Lead Time8 Weeks
- Mounting TypeSurface Mount
- Package / Case8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
- Surface MountYES
- Operating Temperature-55°C~125°C
- PackagingTape & Reel (TR)
- Published2010
- JESD-609 Codee3
- Part StatusActive
- Moisture Sensitivity Level (MSL)1 (Unlimited)
- Number of Terminations8
- ECCN CodeEAR99
- Terminal FinishMatte Tin (Sn)
- ApplicationsAutomotive, Redundant Power Supplies, Telecom Infrastructure
- HTS Code8542.39.00.01
- SubcategoryPower Management Circuits
- TechnologyCMOS
- Voltage - Supply9V~80V
- Terminal PositionDUAL
- Terminal FormGULL WING
- Number of Functions1
- Supply Voltage20V
- Terminal Pitch0.65mm
- Base Part NumberLTC4357
- Pin Count8
- JESD-30 CodeS-PDSO-G8
- Supply Voltage-Max (Vsup)80V
- Power Supplies9/80V
- Supply Voltage-Min (Vsup)9V
- Number of Channels1
- Adjustable ThresholdNO
- Current - Supply500μA
- FET TypeN-Channel
- Supply Current-Max (Isup)1.25mA
- Ratio - Input:OutputN:1
- Internal Switch(s)No
- Delay Time - OFF300ns
- Height Seated (Max)1.1mm
- Length3mm
- Width3mm
- RoHS StatusROHS3 Compliant
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