Part Details for LT4276CHUFD#PBF by Analog Devices Inc
Results Overview of LT4276CHUFD#PBF by Analog Devices Inc
- Distributor Offerings: (5 listings)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (0 options)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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LT4276CHUFD#PBF Information
LT4276CHUFD#PBF by Analog Devices Inc is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Price & Stock for LT4276CHUFD#PBF
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
LT4276CHUFD#PBF-ND
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DigiKey | IC POE CNTRL 1 CHANNEL 28QFN Min Qty: 1 Lead time: 10 Weeks Container: Tube |
112 In Stock |
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$2.9125 / $7.1600 | Buy Now |
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DISTI #
584-LT4276CHUFD#PBF
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Mouser Electronics | Power Switch ICs - POE / LAN LTPoE++/PoE+/PoE PD For/Fly Cntr RoHS: Compliant | 202 |
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$2.9100 / $7.1600 | Buy Now |
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Analog Devices Inc | LTPoE++/PoE+/PoE PD For/Fly Cn Package Multiple: 73 | 23 |
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$2.3300 / $7.1600 | Buy Now |
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DISTI #
LT4276CHUFD#PBF
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Richardson RFPD | POWER MANAGEMENT IC RoHS: Compliant Min Qty: 146 | 0 |
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$3.0100 / $3.3000 | Buy Now |
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Chip Stock | PowerOverEthernetPDController60V13W28-PinQFNEP | 135 |
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RFQ |
US Tariff Estimator: LT4276CHUFD#PBF by Analog Devices Inc
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
Part Details for LT4276CHUFD#PBF
LT4276CHUFD#PBF CAD Models
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LT4276CHUFD#PBF Part Data Attributes
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LT4276CHUFD#PBF
Analog Devices Inc
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Datasheet
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LT4276CHUFD#PBF
Analog Devices Inc
Switching Controller, Current-mode, 320kHz Switching Freq-Max, BIPolar, PQCC28
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| Pbfree Code | No | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Package Description | Hvqccn, | |
| Pin Count | 28 | |
| Manufacturer Package Code | 05-08-1712 | |
| Reach Compliance Code | Compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Analog IC - Other Type | Switching Controller | |
| Control Mode | Current-Mode | |
| Control Technique | Constant Frequency | |
| Input Voltage-Max | 60 V | |
| Input Voltage-Nom | 40 V | |
| JESD-30 Code | R-PQCC-N28 | |
| JESD-609 Code | e3 | |
| Length | 5 Mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Terminals | 28 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -40 °C | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | HVQCCN | |
| Package Shape | Rectangular | |
| Package Style | Chip Carrier, Heat Sink/Slug, Very Thin Profile | |
| Peak Reflow Temperature (Cel) | 260 | |
| Seated Height-Max | 0.8 Mm | |
| Surface Mount | Yes | |
| Switcher Configuration | Buck-Boost | |
| Switching Frequency-Max | 320 Khz | |
| Technology | Bipolar | |
| Temperature Grade | Automotive | |
| Terminal Finish | Matte Tin (Sn) - Annealed | |
| Terminal Form | No Lead | |
| Terminal Pitch | 0.5 Mm | |
| Terminal Position | Quad | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 4 Mm |
LT4276CHUFD#PBF Frequently Asked Questions (FAQ)
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A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output capacitors close to the IC, and use short, wide traces for the high-current paths.
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Ensure that the output capacitor has a low ESR, and the input capacitor has a high capacitance. Also, add a small resistor (e.g., 1Ω) in series with the output capacitor to dampen oscillations.
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The maximum ambient temperature for reliable operation is 85°C. However, the device can operate up to 125°C with derating. Consult the datasheet for thermal derating curves.
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Yes, the LT4276CHUFD is AEC-Q100 qualified and suitable for high-reliability and automotive applications. However, ensure that you follow the recommended PCB layout, thermal management, and component selection guidelines.
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Use an oscilloscope to monitor the output voltage and current. Check for input voltage ripple, output capacitor ESR, and thermal issues. Consult the datasheet and application notes for troubleshooting guidelines.