Part Details for LT4276CIUFD#TRPBF by Analog Devices Inc
Results Overview of LT4276CIUFD#TRPBF 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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LT4276CIUFD#TRPBF Information
LT4276CIUFD#TRPBF 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 LT4276CIUFD#TRPBF
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
505-LT4276CIUFD#TRPBFCT-ND
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DigiKey | IC POE CNTRL 1 CHANNEL 28QFN Min Qty: 1 Lead time: 10 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) |
2149 In Stock |
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$2.6463 / $4.7900 | Buy Now |
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DISTI #
584-LT4276CIUFDTRPBF
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Mouser Electronics | Power Switch ICs - POE / LAN LTPoE++/PoE+/PoE PD For/Fly Cntr RoHS: Compliant | 0 |
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$2.4300 | Order Now |
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Analog Devices Inc | LTPoE++/PoE+/PoE PD For/Fly Cn Min Qty: 1 Package Multiple: 2500 | 430 |
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$2.4375 / $6.2900 | Buy Now |
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DISTI #
LT4276CIUFDTRPB
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Richardson RFPD | POWER MANAGEMENT IC RoHS: Compliant Min Qty: 2500 | 0 |
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$2.5200 / $2.6200 | Buy Now |
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Win Source Electronics | IC POE CNTRL 1 CHANNEL 28QFN / Power Over Ethernet Controller 1 Channel 802.3af (PoE) 28-QFN (4x5) | 1982 |
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$4.2120 / $6.3180 | Buy Now |
US Tariff Estimator: LT4276CIUFD#TRPBF 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 LT4276CIUFD#TRPBF
LT4276CIUFD#TRPBF CAD Models
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LT4276CIUFD#TRPBF Part Data Attributes
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LT4276CIUFD#TRPBF
Analog Devices Inc
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Datasheet
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LT4276CIUFD#TRPBF
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 | 85 °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 | Industrial | |
| 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 |
LT4276CIUFD#TRPBF Frequently Asked Questions (FAQ)
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A good PCB layout for the LT4276 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 pins to minimize errors.
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To ensure accurate voltage sensing, it's essential to use a low-impedance source, keep the sense pins short and Kelvin-connected, and avoid routing high-current traces near the sense pins. Additionally, the sense pins should be connected to a low-impedance point in the system, such as the output of a voltage regulator.
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The maximum allowed voltage on the EN pin of the LT4276 is 6V. Exceeding this voltage can damage the device. It's recommended to use a voltage divider or a level shifter to ensure the EN pin voltage remains within the specified range.
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Yes, the LT4276 can be used with a switching regulator. However, it's essential to ensure that the switching frequency is above 100 kHz to avoid interference with the LT4276's internal oscillator. Additionally, the output voltage of the switching regulator should be filtered to minimize ripple and noise.
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The power dissipation of the LT4276 can be calculated using the formula: Pd = (VIN x IIN) + (VOUT x IOUT). Where VIN is the input voltage, IIN is the input current, VOUT is the output voltage, and IOUT is the output current. The calculated power dissipation should be within the specified maximum power dissipation rating of the device.