Part Details for LT4321HUF#TRPBF by Linear Technology
Results Overview of LT4321HUF#TRPBF by Linear Technology
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (4 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Energy and Power Systems
Transportation and Logistics
Renewable Energy
Automotive
LT4321HUF#TRPBF Information
LT4321HUF#TRPBF by Linear Technology is an Other Signal Circuit.
Other Signal Circuits are under the broader part category of Signal Circuits.
A signal is an electronic means of transmitting information, either as an analog signal with continuous values or a digital signal with discrete values. Signals are used in various systems and networks. Read more about Signal Circuits on our Signal Circuits part category page.
Price & Stock for LT4321HUF#TRPBF
| Part # | Distributor | Description | Stock | Price | Buy | |
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Vyrian | Other Function Semiconductors | 2569 |
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RFQ |
Part Details for LT4321HUF#TRPBF
LT4321HUF#TRPBF CAD Models
LT4321HUF#TRPBF Part Data Attributes
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LT4321HUF#TRPBF
Linear Technology
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Datasheet
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LT4321HUF#TRPBF
Linear Technology
LT4321 - PoE Ideal Diode Bridge Controller; Package: QFN; Pins: 16; Temperature Range: -40°C to 125°C
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| Rohs Code | Yes | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | LINEAR TECHNOLOGY CORP | |
| Part Package Code | QFN | |
| Package Description | 4 X 4 MM, LEAD FREE, PLASTIC, MO-220WGGC, QFN-16 | |
| Pin Count | 16 | |
| Manufacturer Package Code | UF | |
| Reach Compliance Code | compliant | |
| HTS Code | 8542.39.00.01 | |
| Analog IC - Other Type | ANALOG CIRCUIT | |
| JESD-30 Code | S-PQCC-N16 | |
| JESD-609 Code | e3 | |
| Length | 4 mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Terminals | 16 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -40 °C | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | HVQCCN | |
| Package Shape | SQUARE | |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | |
| Peak Reflow Temperature (Cel) | 260 | |
| Seated Height-Max | 0.8 mm | |
| Supply Voltage-Max (Vsup) | 80 V | |
| Supply Voltage-Min (Vsup) | 20 V | |
| Supply Voltage-Nom (Vsup) | 55 V | |
| Surface Mount | YES | |
| Temperature Grade | AUTOMOTIVE | |
| Terminal Finish | MATTE TIN | |
| Terminal Form | NO LEAD | |
| Terminal Pitch | 0.65 mm | |
| Terminal Position | QUAD | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 4 mm |
Alternate Parts for LT4321HUF#TRPBF
This table gives cross-reference parts and alternative options found for LT4321HUF#TRPBF. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LT4321HUF#TRPBF, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LT4321IUF#PBF | Analog Devices Inc | $2.9036 | PoE Ideal Diode Bridge Controller | LT4321HUF#TRPBF vs LT4321IUF#PBF |
| LT4321IUF#TRPBF | Analog Devices Inc | $3.0042 | PoE Ideal Diode Bridge Controller | LT4321HUF#TRPBF vs LT4321IUF#TRPBF |
| LT4321IUF#TRPBF | Linear Technology | Check for Price | LT4321 - PoE Ideal Diode Bridge Controller; Package: QFN; Pins: 16; Temperature Range: -40°C to 85°C | LT4321HUF#TRPBF vs LT4321IUF#TRPBF |
| LT4321HUF#TRPBF | Analog Devices Inc | Check for Price | PoE Ideal Diode Bridge Controller | LT4321HUF#TRPBF vs LT4321HUF#TRPBF |
LT4321HUF#TRPBF Frequently Asked Questions (FAQ)
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A good PCB layout for the LT4321HUF involves keeping the input and output traces short and wide, using a solid ground plane, and placing the input and output capacitors close to the device. Additionally, it's recommended to use a Kelvin connection for the sense lines to minimize noise and ensure accurate voltage sensing.
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To ensure proper power-up and configuration of the LT4321HUF, make sure to follow the recommended power-up sequence, which involves applying the input voltage (VIN) before the enable voltage (EN). Also, ensure that the EN pin is properly biased and that the device is configured in the correct mode (e.g., auto-retry or latch-off) according to the application requirements.
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When selecting input and output capacitors for the LT4321HUF, consider the capacitor's equivalent series resistance (ESR), voltage rating, and capacitance value. A low-ESR capacitor is recommended for the input capacitor to minimize voltage drops, while a high-voltage-rated capacitor is required for the output capacitor to handle the maximum output voltage. The capacitance value should be chosen based on the desired ripple voltage and transient response.
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To troubleshoot issues with the LT4321HUF, start by verifying the input voltage, enable voltage, and sense lines are properly connected and biased. Check for any signs of overheating, and ensure that the device is properly cooled. Use an oscilloscope to monitor the input and output voltages, as well as the sense lines, to identify any anomalies. Consult the datasheet and application notes for guidance on troubleshooting specific issues.
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The LT4321HUF is rated for operation up to 125°C, but its performance and reliability may be affected at high temperatures. Be sure to derate the device's specifications according to the temperature derating curves provided in the datasheet. Additionally, ensure that the device is properly cooled, and consider using a heat sink or thermal interface material to reduce the junction temperature.