Overview
The LTC4367HMS8#PBF, produced by Analog Devices Inc., is a highly versatile and robust power supply protection controller. This device is designed to safeguard applications from a wide range of input voltage anomalies, including overvoltage, undervoltage, and reverse supply conditions. The LTC4367 controls the gate voltages of external N-channel MOSFETs to ensure the output voltage remains within a safe operating range, making it an essential component for reliable power management in various electronic systems.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| VIN Input Voltage: Operating Range | 2.5 | 60 | V | |
| VIN Input Voltage: Protection Range | -40 | 100 | V | |
| VIN(UVLO) Input Supply Undervoltage Lockout | 1.8 | 2.2 | 2.4 | V |
| Input Supply Current: On | 70 | µA | ||
| Input Supply Current: Off | 1.5 | 3 | µA | |
| Operating Temperature Range | -40 | 125 | °C | |
| Storage Temperature Range | -65 | 150 | °C | |
| Lead Temperature (Soldering, 10sec) | 300 | °C |
Key Features
- Protects against overvoltage, undervoltage, and reverse supply conditions.
- Controls the gate voltages of external N-channel MOSFETs to maintain a safe output voltage range.
- Operating range of 2.5V to 60V and protection range of -40V to 100V.
- Low current consumption of 70µA in normal operation.
- Two comparator inputs for configuring overvoltage and undervoltage set points using an external resistive divider.
- Shutdown pin for enabling and disabling the MOSFETs and placing the device in a low current shutdown state.
- Fault output indicates when the GATE pin is pulling low.
Applications
The LTC4367HMS8#PBF is suitable for a variety of applications where robust power supply protection is crucial. These include:
- Industrial control systems.
- Automotive systems.
- Telecommunications equipment.
- Medical devices.
- Any system requiring protection against faulty supply connections, including overvoltage, undervoltage, and reverse voltage conditions.
Q & A
- What is the primary function of the LTC4367HMS8#PBF?
The primary function is to protect applications from overvoltage, undervoltage, and reverse supply conditions by controlling the gate voltages of external N-channel MOSFETs. - What is the operating voltage range of the LTC4367HMS8#PBF?
The operating voltage range is 2.5V to 60V. - What is the protection voltage range of the LTC4367HMS8#PBF?
The protection voltage range is -40V to 100V. - How much current does the LTC4367HMS8#PBF consume in normal operation?
The device consumes 70µA in normal operation. - What is the purpose of the shutdown pin on the LTC4367HMS8#PBF?
The shutdown pin allows for enabling and disabling the MOSFETs and placing the device in a low current shutdown state. - How does the LTC4367HMS8#PBF indicate a fault condition?
A fault output indicates when the GATE pin is pulling low. - What is the operating temperature range of the LTC4367HMS8#PBF?
The operating temperature range is -40°C to 125°C. - Can the LTC4367HMS8#PBF be used in automotive systems?
Yes, it is suitable for automotive systems due to its robust protection features. - How do you configure the overvoltage and undervoltage set points on the LTC4367HMS8#PBF?
Using an external resistive divider connected to the two comparator inputs. - What package types are available for the LTC4367HMS8#PBF?
It is available in 8-Lead Plastic MSOP and 8-Lead (3mm × 3mm) Plastic DFN packages.
