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LTC4357HMS8#TRPBF
+StücklisteIC OR CTRLR N+1 8MSOP
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HerstellerAnalog Devices Inc.
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Herstellerteil #LTC4357HMS8#TRPBF
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Datenblatt LTC4357HMS8#TRPBF DataSheet
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Spezifikationen
| Attribut | Wert |
| Part Status | Active |
| Base Product Number | LTC4357 |
| Type | N+1 ORing Controller |
| FET Type | N-Channel |
| Ratio - Input:Output | N:1 |
| Internal Switch(s) | No |
| Delay Time - OFF | 300 ns |
| Current - Supply | 500 µA |
| Voltage - Supply | 9V ~ 80V |
| Applications | Redundant Power Supplies, Telecom Infrastructure |
| Operating Temperature | -40°C ~ 125°C |
| Grade | Automotive |
| Mounting Type | Surface Mount |
| Package | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 8-MSOP |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
Übersicht
Description
This component operates by controlling an external N-channel MOSFET, which acts as an ideal diode to reduce conduction losses. The LTC4357 features built-in reverse voltage protection, ensuring the circuit is safeguarded against potential damage from back-feeding.
Key features include a wide input voltage range, fast response time, and the ability to handle large transient loads. The device also offers adjustable turn-on voltage thresholds, allowing for customization based on specific application needs. The LTC4357 is packaged in an 8-lead MSOP, making it suitable for space-constrained designs.
Overall, the LTC4357HMS8#TRPBF is an effective solution for applications where efficiency and reliability are critical in power management systems.
Equivalent
Features
1. Ideal Diode Functionality: It allows for efficient power path management by minimizing voltage drop across the diode, enhancing overall efficiency.
2. Input Voltage Range: Operates from 4.5V to 80V, making it suitable for a wide range of applications.
3. Low Reverse Leakage: Reduces power loss, improving efficiency in battery-powered systems.
4. Fast Response Time: Provides rapid switching, which helps in handling load transients effectively.
5. Built-in Protection: Features overvoltage and undervoltage lockout, ensuring system reliability.
6. Thermal Shutdown: Protects against overheating, enhancing durability.
7. Adjustable Dead Time: Allows customization for varying load conditions.
8. Compact Package: Available in an 8-lead MSOP package, which is space-efficient for compact designs.
These features make the LTC4357HMS8#TRPBF ideal for applications in automotive, industrial, and telecommunications power supplies.
Pinout
The pin count and functions are as follows:
1. Pin 1 (GND) - Ground reference.
2. Pin 2 (VOUT) - Output voltage.
3. Pin 3 (VIN) - Input voltage.
4. Pin 4 (ILIM) - Current limit adjustment.
5. Pin 5 (VTH) - Overvoltage threshold setting.
6. Pin 6 (PG) - Power good output.
7. Pin 7 (RT) - Timing resistor connection for fault conditions.
8. Pin 8 (VDD) - Supply voltage input.
This device is primarily used in applications requiring voltage clamping to protect downstream components from excessive voltage levels.
Manufacturer
The LTC4357 is a high-speed, ideal diode controller typically used in power management applications to improve efficiency in power systems by reducing voltage drops in power paths. Analog Devices focuses on providing solutions that enhance performance and efficiency in electronic systems, making it a key player in the technology sector. The company has a strong commitment to research and development, continuously advancing technologies to meet the evolving demands of various applications.
Application
1. Hot-Swap Power Supplies: Facilitates safe insertion and removal of components without affecting the system.
2. Power Redundancy Systems: Enables seamless switching between power sources for reliability.
3. Battery Backup Systems: Manages diode functionality to ensure efficient power transfer.
4. DC-DC Converters: Enhances efficiency by reducing voltage drop in power paths.
5. Load Sharing: Balances current distribution between multiple power sources.
Its features help improve efficiency and reduce heat generation in various electronic systems.