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Part Details for LT8643SIV#PBF by Analog Devices Inc
Results Overview of LT8643SIV#PBF by Analog Devices Inc
- Distributor Offerings: (11 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (0 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.
LT8643SIV#PBF Information
LT8643SIV#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 LT8643SIV#PBF
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
50AK6342
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Newark | Dc/Dc Conv, Sync Buck, 1.95Mhz, 125Deg C, No. Of Outputs:1Outputs, Topology:Synchronous Buck (Step Down), Input Voltage Min:3V, Input Voltage Max:42V, Max Output Current:6A, Ic Case/Package:Lqfn-Ep, No. Of Pins:24Pins Rohs Compliant: Yes |Analog Devices LT8643SIV#PBF RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk | 326 |
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$8.6000 / $13.2700 | Buy Now |
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DISTI #
505-LT8643SIV#PBF-ND
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DigiKey | IC REG BUCK ADJ 6A 24LQFN Min Qty: 1 Lead time: 10 Weeks Container: Tray |
1450 In Stock |
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$7.5250 / $14.5100 | Buy Now |
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DISTI #
584-LT8643SIVPBF
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Mouser Electronics | Switching Voltage Regulators 42V, 6A Sync Buck Silent Switcher 2 w/ 2 RoHS: Compliant | 4029 |
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$8.5300 / $13.2700 | Buy Now |
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DISTI #
V99:2348_18247723
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Arrow Electronics | Conv DC-DC 3.4V to 42V Synchronous Step Down Single-Out 0.97V to 41.58V 6A 24-Pin LQFN EP Tray RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 10 Weeks | Americas - 20 |
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$7.6400 / $10.3700 | Buy Now |
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Analog Devices Inc | 42V, 6A Sync Buck Silent Switc Package Multiple: 540 | 5150 |
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$6.0200 / $14.5100 | Buy Now |
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DISTI #
56638353
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Verical | Conv DC-DC 3.4V to 42V Synchronous Step Down Single-Out 0.97V to 41.58V 6A 24-Pin LQFN EP Tray RoHS: Compliant Min Qty: 540 Package Multiple: 540 | Americas - 4860 |
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$7.4459 | Buy Now |
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DISTI #
89010461
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Verical | Conv DC-DC 3.4V to 42V Synchronous Step Down Single-Out 0.97V to 41.58V 6A 24-Pin LQFN EP Tray RoHS: Compliant Min Qty: 1 Package Multiple: 1 | Americas - 20 |
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$7.3100 | Buy Now |
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Quest Components | 871 |
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$4.4205 / $12.6300 | Buy Now | |
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DISTI #
LT8643SIV#PBF
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Richardson RFPD | POWER MANAGEMENT IC RoHS: Compliant Min Qty: 540 | 0 |
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$7.7700 / $8.3000 | Buy Now |
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Vyrian | Other Function Semiconductors | 561 |
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RFQ |
Part Details for LT8643SIV#PBF
LT8643SIV#PBF CAD Models
LT8643SIV#PBF Part Data Attributes
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LT8643SIV#PBF
Analog Devices Inc
Buy Now
Datasheet
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Compare Parts:
LT8643SIV#PBF
Analog Devices Inc
42V, 6A Synchronous Step-Down Silent Switcher 2 with 2.5µA Quiescent Current
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| Pbfree Code | No | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | ANALOG DEVICES INC | |
| Package Description | LQFN-24 | |
| Pin Count | 24 | |
| Manufacturer Package Code | 05-08-1511 | |
| Reach Compliance Code | compliant | |
| Samacsys Manufacturer | Analog Devices | |
| Analog IC - Other Type | SWITCHING REGULATOR | |
| Control Mode | CURRENT-MODE | |
| Control Technique | SILENT SWITCHER | |
| 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 | 6 A | |
| Output Voltage-Max | 10 V | |
| Output Voltage-Min | 0.97 V | |
| Package Body Material | UNSPECIFIED | |
| Package Code | QCCN | |
| Package Equivalence Code | LCC24,.16SQ,20 | |
| Package Shape | SQUARE | |
| Package Style | CHIP CARRIER | |
| Peak Reflow Temperature (Cel) | 260 | |
| Seated Height-Max | 1.03 mm | |
| Surface Mount | YES | |
| Switcher Configuration | BUCK | |
| Switching Frequency-Max | 2100 kHz | |
| Technology | BIPOLAR | |
| 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, consider using a soft-start circuit to reduce inrush current and prevent output voltage overshoot.
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The maximum output current that the LT8643SIV#PBF can deliver is 3A, but it's recommended to derate the output current based on the input voltage, output voltage, and ambient temperature to ensure reliable operation.
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To optimize the efficiency of the LT8643SIV#PBF, make sure to select the optimal input and output capacitors, and consider using a high-efficiency inductor. Additionally, optimize the switching frequency and dead time to minimize losses, and consider using a synchronous rectifier to reduce power losses.
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The LT8643SIV#PBF has a maximum junction temperature of 150°C. To ensure reliable operation, make sure to provide adequate heat sinking and thermal management, and consider using a thermal interface material to improve heat transfer.