Part Details for LT8471IUFD#PBF by Linear Technology
Results Overview of LT8471IUFD#PBF by Linear Technology
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Applications
Energy and Power Systems
Renewable Energy
Automotive
LT8471IUFD#PBF Information
LT8471IUFD#PBF by Linear Technology 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.
Part Details for LT8471IUFD#PBF
LT8471IUFD#PBF CAD Models
LT8471IUFD#PBF Part Data Attributes
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LT8471IUFD#PBF
Linear Technology
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Datasheet
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LT8471IUFD#PBF
Linear Technology
LT8471 - Dual Multitopology DC/DC Converters with 2A Switches and Synchronization; Package: QFN; Pins: 28; Temperature Range: -40°C to 85°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 5 MM, LEAD FREE, PLASTIC, MO-220WXXX-X, QFN-28 | |
| Pin Count | 28 | |
| Manufacturer Package Code | UFD | |
| Reach Compliance Code | compliant | |
| Additional Feature | VOLTAGE MODE ALSO AVAILABLE FOR SKYHOOK CHANNEL | |
| Analog IC - Other Type | DUAL SWITCHING CONTROLLER | |
| Control Mode | CURRENT-MODE | |
| Control Technique | PULSE WIDTH MODULATION | |
| Input Voltage-Max | 50 V | |
| Input Voltage-Min | 2.6 V | |
| Input Voltage-Nom | 5 V | |
| JESD-30 Code | R-PQCC-N28 | |
| JESD-609 Code | e3 | |
| Length | 5 mm | |
| Number of Functions | 1 | |
| Number of Terminals | 28 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current-Max | 3.2 A | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | HVQCCN | |
| Package Shape | RECTANGULAR | |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | |
| Seated Height-Max | 0.8 mm | |
| Surface Mount | YES | |
| Switcher Configuration | BUCK-BOOST | |
| Switching Frequency-Max | 2050 kHz | |
| Temperature Grade | AUTOMOTIVE | |
| Terminal Finish | MATTE TIN | |
| Terminal Form | NO LEAD | |
| Terminal Pitch | 0.5 mm | |
| Terminal Position | QUAD | |
| Width | 4 mm |
LT8471IUFD#PBF Frequently Asked Questions (FAQ)
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A good PCB layout for the LT8471IUFD involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the input and output traces. Additionally, it's recommended to use a separate analog and digital ground plane to reduce noise coupling.
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To ensure stability, it's essential to follow the recommended component values and PCB layout guidelines. Additionally, make sure to decouple the input and output pins properly, and use a sufficient amount of output capacitance to filter out high-frequency noise.
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The maximum input voltage of the LT8471IUFD is 80V, but it's recommended to operate the device within the specified input voltage range of 4.5V to 60V to ensure reliable operation and prevent damage to the device.
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The LT8471IUFD is rated for operation up to 125°C, but it's essential to consider the device's thermal characteristics and ensure proper heat sinking to prevent overheating. Additionally, the device's performance may degrade at high temperatures, so it's recommended to consult the datasheet for specific temperature-related specifications.
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To troubleshoot issues with the LT8471IUFD, start by verifying the input voltage and current, and checking the output voltage and current. Use an oscilloscope to check for any oscillations or noise on the output. Also, ensure that the device is properly decoupled and that the PCB layout is correct. If the issue persists, consult the datasheet and application notes for further guidance.