LTC4412HVIS6#TRMPBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Voltage Ideal Diode Controller
• Package: SOT-23-6
• Essence: Controls the flow of current in a power supply circuit
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 36V
• Output Voltage Range: 2.5V to 36V
• Operating Temperature Range: -40°C to 85°C
• Quiescent Current: 20µA
• Reverse Leakage Current: 1µA
• Voltage Drop: 50mV at 1A
• Fault Output Voltage: 0.4V
• Power Supply Rejection Ratio: 60dB
• Package Dimensions: 2.9mm x 1.6mm x 1.1mm

Pin Configuration

The LTC4412HVIS6#TRMPBF has the following pin configuration:

1. GATE: Gate control input
2. VIN: Input voltage
3. VOUT: Output voltage
4. FLT: Fault output
5. GND: Ground
6. NC: No connection

Functional Features

• Controls the direction of current flow in a power supply circuit
• Provides reverse polarity protection
• Low voltage drop during forward conduction
• Fast response time to fault conditions
• Fault output signal for system monitoring

Advantages and Disadvantages

Advantages

• Efficient power management solution
• Reverse polarity protection prevents damage to sensitive components
• Low voltage drop minimizes power loss
• Compact package size allows for space-saving designs
• Fast fault response time ensures system reliability

Disadvantages

• Limited to a maximum input and output voltage of 36V
• Not suitable for high-power applications

Working Principles

The LTC4412HVIS6#TRMPBF is an ideal diode controller that utilizes MOSFET technology to control the flow of current in a power supply circuit. It acts as a diode, allowing current to flow in one direction while blocking it in the reverse direction. This provides reverse polarity protection and prevents damage to sensitive components.

When the input voltage (VIN) is higher than the output voltage (VOUT), the LTC4412HVIS6#TRMPBF turns on the internal MOSFET, allowing current to flow from VIN to VOUT. In this state, the voltage drop across the device is minimal, resulting in efficient power transfer.

If a fault condition occurs, such as an overvoltage or overcurrent event, the fault output (FLT) signal is activated. This can be used for system monitoring or to trigger protective measures.

Detailed Application Field Plans

The LTC4412HVIS6#TRMPBF is commonly used in various applications where reverse polarity protection and efficient power management are required. Some specific application fields include:

1. Battery-powered devices: Provides reverse polarity protection for battery charging circuits, preventing damage to the battery or other components.
2. Automotive electronics: Protects sensitive automotive electronics from reverse polarity connections, ensuring reliable operation.
3. Solar power systems: Enables efficient power transfer from solar panels to batteries or loads, maximizing energy harvesting.
4. Industrial equipment: Safeguards industrial equipment from reverse polarity faults, minimizing downtime and maintenance costs.
5. Portable electronic devices: Prevents accidental reverse polarity connections in portable devices, protecting internal circuitry.

Detailed and Complete Alternative Models

1. LTC4359: High Voltage Ideal Diode Controller with Reverse Input Protection
2. LT4356: Surge Stopper with Ideal Diode and Reverse Input Protection
3. LTC4415: Low Voltage Ideal Diode Controller with Reverse Input Protection
4. LT4320: Ideal Diode Bridge Controller

These alternative models offer similar functionality to the LTC4412HVIS6#TRMPBF and can be considered as alternatives based on specific application requirements.

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