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LTC4357CDCB#TRPBF
+BOMIC OR CTRLR N+1 6DFN
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ManufacturerAnalog Devices Inc.
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Mfr. Part #LTC4357CDCB#TRPBF
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Datasheet LTC4357CDCB#TRPBF DataSheet
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Package DFN-6
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In Stock2286
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Specifications
| Attribute | Value |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Type | N+1 ORing Controller |
| FET Type | N-Channel |
| Ratio - Input: Output | N:1 |
| Internal Switch(s) | No |
| Delay Time - OFF | 300 ns |
| Supply Current | 500 µA |
| Voltage - Supply | 9V ~ 80V |
| Applications | Automotive, Redundant Power Supplies, Telecom Infrastructure |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
Overview
Description
The LTC4357CDCB#TRPBF is an electronic component by Analog Devices, designed as an ideal diode controller. It is used to replace a traditional diode in power path applications to reduce power loss and heat generation. This controller drives an external N-channel MOSFET to behave like an ideal diode, providing high-efficiency power management. The LTC4357 offers low forward voltage drop, fast switching, and reverse current blocking capabilities, making it suitable for applications in power supply systems, battery-powered devices, and load sharing. It operates in a wide input voltage range and features a low quiescent current, enhancing energy efficiency. The compact DFN package and its robust design ensure reliability and ease of integration in space-constrained applications.
Equivalent
The LTC4357CDCB#TRPBF is a low-voltage ideal diode controller from Analog Devices. Equivalent products include the Maxim Integrated MAX40203, Texas Instruments LM74700-Q1, and Diodes Incorporated AP4357. These components serve similar purposes, such as protecting power paths and replacing diode OR-ing solutions, but you should check their datasheets for exact electrical specifications and compatibility.
Features
The LTC4357CDCB#TRPBF is an ideal diode controller designed to replace a Schottky diode in high current applications, significantly improving efficiency. Key features include:
1. Wide Supply Range: Operates from 4V to 80V, making it versatile for various applications.
2. Low Quiescent Current: Consumes minimal current, thereby enhancing energy efficiency.
3. Fast Turn-On: Rapid response to input voltage changes, ensuring quick protection against reverse polarity.
4. Reverse Input Protection: Prevents damage from negative voltage by controlling the external N-channel MOSFET.
5. Low Voltage Drop: Reduces power dissipation by maintaining a low forward voltage drop.
6. Minimal Heat Generation: Due to efficient operation, less heat is generated compared to traditional diodes.
7. Compact Package: Available in a small, 6-lead DFN package, saving board space.
8. Robust Construction: Designed for reliability in harsh environments.
These features make the LTC4357CDCB#TRPBF suitable for automotive, industrial, and telecommunications applications where power efficiency and thermal management are critical.
1. Wide Supply Range: Operates from 4V to 80V, making it versatile for various applications.
2. Low Quiescent Current: Consumes minimal current, thereby enhancing energy efficiency.
3. Fast Turn-On: Rapid response to input voltage changes, ensuring quick protection against reverse polarity.
4. Reverse Input Protection: Prevents damage from negative voltage by controlling the external N-channel MOSFET.
5. Low Voltage Drop: Reduces power dissipation by maintaining a low forward voltage drop.
6. Minimal Heat Generation: Due to efficient operation, less heat is generated compared to traditional diodes.
7. Compact Package: Available in a small, 6-lead DFN package, saving board space.
8. Robust Construction: Designed for reliability in harsh environments.
These features make the LTC4357CDCB#TRPBF suitable for automotive, industrial, and telecommunications applications where power efficiency and thermal management are critical.
Pinout
The LTC4357CDCB#TRPBF is a power path controller IC designed for use in high-side applications to control the voltage and current flow. It is typically used to create ideal diode behavior, reducing voltage drop and power dissipation compared to a traditional Schottky diode.
The LTC4357CDCB#TRPBF comes in a 6-lead SOT-23 package. Its primary function is to provide a means of ORing multiple power sources together, such as in redundant power supply configurations, ensuring smooth switchover without interruption of power.
Key pin functions include:
- VCC: Power supply pin.
- OUT: Connects to the output rail.
- GND: Ground reference for the IC.
- GATE: Drives the gate of an external N-channel MOSFET.
- SENSE: Used for current sensing to control the MOSFET.
- VSS: Internal ground reference, often tied to GND.
These pin functions enable the device to control an external MOSFET, effectively mimicking an ideal diode by automatically turning on and off based on the voltage and current conditions, thus optimizing power flow and efficiency.
The LTC4357CDCB#TRPBF comes in a 6-lead SOT-23 package. Its primary function is to provide a means of ORing multiple power sources together, such as in redundant power supply configurations, ensuring smooth switchover without interruption of power.
Key pin functions include:
- VCC: Power supply pin.
- OUT: Connects to the output rail.
- GND: Ground reference for the IC.
- GATE: Drives the gate of an external N-channel MOSFET.
- SENSE: Used for current sensing to control the MOSFET.
- VSS: Internal ground reference, often tied to GND.
These pin functions enable the device to control an external MOSFET, effectively mimicking an ideal diode by automatically turning on and off based on the voltage and current conditions, thus optimizing power flow and efficiency.
Manufacturer
The LTC4357CDCB#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in various applications, including communications, computer, industrial, instrumentation, military/aerospace, automotive, and consumer electronics. The company is known for providing solutions that convert real-world phenomena into digital data, facilitating the interface between the physical and digital worlds. Analog Devices' products are essential in applications involving data conversion, signal processing, and power management.
Application
The LTC4357CDCB#TRPBF is used in applications focused on power management and protection. Its primary application areas include:
1. High Availability Systems: Ensures continuous power by facilitating seamless transition between power sources.
2. Automotive Electronics: Protects and manages battery-powered systems.
3. Redundant Power Supplies: Provides ORing in redundant power supply configurations to prevent reverse current.
4. Telecommunications: Enhances reliability in telecom equipment by managing power supply connections.
5. Industrial Systems: Used in critical industrial applications where power reliability is essential.
These applications benefit from the LTC4357's ability to control and protect power pathways efficiently.
1. High Availability Systems: Ensures continuous power by facilitating seamless transition between power sources.
2. Automotive Electronics: Protects and manages battery-powered systems.
3. Redundant Power Supplies: Provides ORing in redundant power supply configurations to prevent reverse current.
4. Telecommunications: Enhances reliability in telecom equipment by managing power supply connections.
5. Industrial Systems: Used in critical industrial applications where power reliability is essential.
These applications benefit from the LTC4357's ability to control and protect power pathways efficiently.
Package
The LTC4357CDCB#TRPBF is a part number for a Hot Swap Controller by Analog Devices. It comes in a 6-lead, 2mm × 2mm DFN (Dual Flat No-Lead) package, designed for compact and efficient surface mounting.
