Part Details for LT8643SIV#PBF by Linear Technology
Results Overview of LT8643SIV#PBF by Linear Technology
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LT8643SIV#PBF Information
LT8643SIV#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 LT8643SIV#PBF
LT8643SIV#PBF CAD Models
LT8643SIV#PBF Part Data Attributes
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LT8643SIV#PBF
Linear Technology
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Datasheet
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LT8643SIV#PBF
Linear Technology
LT8643S - 42V, 6A Synchronous Step-Down Silent Switcher 2 with 2.5µA Quiescent Current; Package: LQFN; Pins: 24; 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 | LQFN-24 | |
| Pin Count | 24 | |
| Manufacturer Package Code | LQFN | |
| Reach Compliance Code | compliant | |
| Date Of Intro | 2017-06-12 | |
| Analog IC - Other Type | SWITCHING REGULATOR | |
| Control Mode | CURRENT-MODE | |
| Control Technique | PULSE WIDTH MODULATION | |
| Input Voltage-Max | 42 V | |
| Input Voltage-Min | 3.4 V | |
| Input Voltage-Nom | 6 V | |
| JESD-30 Code | S-XQCC-N24 | |
| JESD-609 Code | e4 | |
| Length | 4 mm | |
| Moisture Sensitivity Level | 3 | |
| Number of Functions | 1 | |
| Number of Terminals | 24 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current-Max | 12.5 A | |
| Package Body Material | UNSPECIFIED | |
| Package Code | HQCCN | |
| Package Equivalence Code | LCC24,.16SQ,20 | |
| Package Shape | SQUARE | |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG | |
| Peak Reflow Temperature (Cel) | 260 | |
| Seated Height-Max | 1.03 mm | |
| Surface Mount | YES | |
| Switcher Configuration | BUCK | |
| Temperature Grade | AUTOMOTIVE | |
| Terminal Finish | Gold (Au) | |
| Terminal Form | NO LEAD | |
| Terminal Pitch | 0.5 mm | |
| Terminal Position | QUAD | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 4 mm |
LT8643SIV#PBF Frequently Asked Questions (FAQ)
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The maximum input voltage that the LT8643SIV#PBF can handle is 42V, but it's recommended to keep it below 36V for optimal performance and reliability.
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To ensure the stability of the output voltage, make sure to use the recommended output capacitor values and types, and follow the layout guidelines provided in the datasheet. Additionally, ensure that the input voltage is within the recommended range and the output current is within the specified limits.
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The maximum output current that the LT8643SIV#PBF can provide is 3A, but it's recommended to keep it below 2.5A for optimal performance and reliability.
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The output voltage of the LT8643SIV#PBF can be programmed using the FB pin and an external resistor divider network. The datasheet provides a formula to calculate the required resistor values for a specific output voltage.
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The thermal shutdown temperature of the LT8643SIV#PBF is typically around 150°C, but it can vary depending on the specific application and operating conditions.