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Name: LT4320IDD-1#PBF
Brand: Analog Devices Inc.
SKU: LT4320IDD-1#PBF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Analog Devices Inc. LT4320IDD-1#PBF

Part No.:: LT4320IDD-1#PBF

Manufacturer:: Analog Devices Inc.

Package:: 8-WFDFN Exposed Pad

Datasheet:: LT4320IDD-1#PBF.pdf

Description:: IC OR CTRLR BRIDGE RECT 8DFN

In Stock:: 3919

Quantity:: Add To Cart

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LT4320IDD-1#PBF Specifications

Packaging:
Tube
Series:
-
ProductStatus:
Active
Type:
Bridge Rectifier
FETType:
N-Channel
Ratio-Input:Output:
Bridge (1)
InternalSwitch(s):
No
DelayTime-ON:
-
DelayTime-OFF:
-
Current-Output(Max):
-
Current-Supply:
1.5 mA
Voltage-Supply:
9V ~ 72V
Applications:
General Purpose
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

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LT4320IDD-1#PBF information

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LT4320IDD-1#PBF Typical application Circuitry

LT4320IDD-1 PBF

The LT4320IDD-1#PBF is a state-of-the-art ideal diode bridge controller developed by Linear Technology. This device is engineered to significantly enhance the efficiency of AC to DC rectification by replacing traditional diode bridge rectifiers with N-channel MOSFETs, which effectively reduces the voltage drop and power dissipation typically associated with standard diode bridges.

Application Context: Solar Power Inverters

A prominent application for the LT4320IDD-1#PBF is within solar power inverters, where it can be utilized to efficiently convert the variable DC output from solar panels into a more stable DC voltage, before inverting it to AC for grid injection or local use.

Principal Characteristics

- Operational Voltage Range: The LT4320IDD-1#PBF is designed to work across a broad voltage range, accommodating diverse power systems.

- Efficiency Enhancement: By minimizing the voltage drop across the rectification process, it significantly boosts the overall efficiency of power conversion systems.

- Flexibility in MOSFET Choice: The device is compatible with a wide array of N-channel MOSFETs, giving designers the flexibility to choose components based on specific requirements.

- Compact Footprint: Its small package size makes the LT4320IDD-1#PBF an excellent choice for space-constrained applications.

Circuit Design: Solar Power Inverter Integration

Incorporating the LT4320IDD-1#PBF into a solar power inverter involves a meticulous design process, focusing on the specific functionalities of each pin:

1. AC Input Connectivity: The AC input pins, VIN1 and VIN2, need to be connected to the AC output of the solar inverter. These pins are pivotal for managing the phase of the input AC signal.

2. Gate Drive Outputs: The external N-channel MOSFETs' gate terminals should be linked to the gate drive pins, GATE1 through GATE4. They play a crucial role in controlling the timing and operation of the MOSFETs during the rectification process.

3. MOSFET Source Pins: The source terminals of the MOSFETs should be linked to the SOURCE1 and SOURCE2 pins on the LT4320IDD-1#PBF. This configuration is essential for ensuring the correct flow of current through the MOSFETs.

4. DC Output Formation: The drain terminals of the MOSFETs will serve as the positive and negative terminals of the DC output.It is imperative that these connections be designed to reduce the amount of resistance and inductance that the current passes through.

5. Bias Voltage Provision: A minor bias voltage is required to power the LT4320IDD-1#PBF, which can be derived from the DC output or an auxiliary source and connected to the VCC pin.

Design Challenges

- MOSFET Selection: The choice of N-channel MOSFETs is critical. Parameters such as the threshold voltage, R_DS(on), and the maximum current capacity need careful consideration.

- Heat Dissipation: Despite the reduced power loss, it's imperative to implement effective thermal management strategies, especially in high-power applications.

- PCB Layout Precision: An optimized PCB layout is crucial to minimize loop areas and thereby reduce unwanted parasitic effects, thus maximizing efficiency.

- Circuit Protection: Integrating protection mechanisms for over-voltage, over-current, and thermal overrun can significantly enhance the durability and safety of the inverter.

By integrating the LT4320IDD-1#PBF into solar power inverters, designers can achieve a significant boost in efficiency, resulting in more effective and reliable solar energy conversion systems. This innovative approach to AC to DC rectification underscores the transformative potential of the LT4320IDD-1#PBF in modern energy applications.

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6. What is the process for return or replacement of LT4320IDD-1#PBF?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LT4320IDD-1#PBF.

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