Overview
The LTC4359HDCB#TRPBF, produced by Analog Devices Inc., is a positive high voltage ideal diode controller designed to drive an external N-channel MOSFET, effectively replacing a Schottky diode. This component is optimized for applications requiring low power dissipation, smooth current delivery, and robust protection against various fault conditions. It is particularly suited for systems with redundant power supplies, automotive battery protection, and telecom infrastructure.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Operating Supply Range (VIN) | 4 | - | 80 | V |
| Input Current (IIN) at IN = 12V | - | 150 | - | μA |
| Shutdown Current | - | 9 | - | μA |
| Operating Temperature Range | -40 | - | 125 | °C |
| Reverse Input Protection | -40 | - | - | V |
| Package Type | - | - | 6-Lead (2mm × 3mm) Plastic DFN | - |
Key Features
- Wide operating voltage range from 4V to 80V
- Reverse input protection to –40V
- Low 9µA shutdown current
- Smooth switchover without oscillation
- Reduces power dissipation by replacing a power Schottky diode
- Controls single or back-to-back N-channel MOSFETs
- AEC-Q100 qualified for automotive applications
Applications
- Automotive battery protection
- Redundant power supplies
- Telecom infrastructure
- Computer systems/servers
- Solar systems
Q & A
- What is the primary function of the LTC4359HDCB#TRPBF? The primary function is to act as a positive high voltage ideal diode controller, driving an external N-channel MOSFET to replace a Schottky diode.
- What is the operating voltage range of the LTC4359HDCB#TRPBF? The operating voltage range is from 4V to 80V.
- What is the shutdown current of the LTC4359HDCB#TRPBF? The shutdown current is 9µA.
- What type of protection does the LTC4359HDCB#TRPBF offer against reverse input voltage? It offers reverse input protection to –40V.
- What package types are available for the LTC4359HDCB#TRPBF? It is available in a 6-Lead (2mm × 3mm) Plastic DFN package.
- Is the LTC4359HDCB#TRPBF suitable for automotive applications? Yes, it is AEC-Q100 qualified for automotive applications.
- How does the LTC4359HDCB#TRPBF handle redundant power supplies? It ensures smooth load sharing between outputs without oscillation and fast turn-off in case of a power source failure.
- What are some common applications of the LTC4359HDCB#TRPBF? Common applications include automotive battery protection, redundant power supplies, telecom infrastructure, computer systems/servers, and solar systems.
- How does the LTC4359HDCB#TRPBF reduce power dissipation? It reduces power dissipation by replacing a power Schottky diode with an N-channel MOSFET.
- What is the operating temperature range of the LTC4359HDCB#TRPBF? The operating temperature range is from –40°C to 125°C.
