LT8646SIV#PBF Analog Devices Integrated Circuit (Other) In Stock
High-efficiency adjustable buck switching regulator from Analog Devices with 8 A output current and 3.4 V to 65 V wide input range in a 32-pin LQF package. Current-mode PWM control ensures fast transient response. Available with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Other
- Pin Count
- 32
- Lifecycle
- ACTIVE
- Datasheet
- LT8646SIV#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $9.6375(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LT8646SIV#PBF?
- Wide 3.4 V to 65 V input voltage range supporting diverse industrial and automotive power buses
- 8 A continuous output current in a compact 32-pin LQFN package for high power density designs
- Current-mode PWM control for fast load transient response and cycle-by-cycle overcurrent protection
What is LT8646SIV#PBF used for?
The LT8646SIV is suited for industrial power supplies, motor driver boards, and telecom equipment where a wide input voltage of 3.4 V to 65 V must be stepped down efficiently with up to 8 A of load current. Its current-mode PWM architecture makes it a strong choice for 48 V bus conversion in server and networking hardware. The compact 32-pin LQFN package keeps board area small even at high power density.
What are the specifications of LT8646SIV#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1512 |
| YTEOL | 9 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 65V |
| Input Voltage-Min | 3.4V |
| Input Voltage-Nom | 6V |
| JESD-30 Code | R-XQCC-N32 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 8A |
| Output Voltage-Max | 25V |
| Output Voltage-Min | 3.3V |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | LCC32,.16X.24,20 |
| Package Shape | RECTANGULAR |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG |
| Peak Reflow Temperature (Cel) | 260 |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 2400kHz |
| Technology | BIPOLAR |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Gold (Au) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | South Korea |
Where can I find the LT8646SIV#PBF datasheet?
LT8646SIV#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LT8646SIV#PBF?
Compatible alternatives and drop-in replacements for LT8646SIV#PBF:
Frequently Asked Questions
What input voltage range does the LT8646SIV support, and why is this useful for industrial designs?
The LT8646SIV accepts an input voltage from 3.4 V to 65 V, covering common industrial bus voltages including 12 V, 24 V, and 48 V rails without topology changes. This wide range eliminates the need for separate front-end regulators, reducing BOM cost and board area in factory automation and motor control applications that often see transient spikes above 40 V.
How does the LT8646SIV handle high current loads in a compact board layout?
The LT8646SIV delivers up to 8 A continuous output current from a 32-pin LQFN package, which exposes a thermal pad on the bottom for efficient heat dissipation through the PCB. Its current-mode PWM control provides cycle-by-cycle overcurrent limiting, protecting downstream loads during fault conditions while maintaining regulation accuracy across the full load range.
When should a designer choose the LT8646SIV over a lower-voltage buck converter like a 12 V-input device?
Designers should choose the LT8646SIV when the supply rail can reach 48 V or higher, such as in PoE, telecom, or 48 V automotive architectures. Its 65 V absolute maximum input rating provides a safety margin above the 48 V nominal bus, and the 8 A output rating avoids the need for parallel converters, simplifying both the design and PCB layout for high-power point-of-load applications.
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Why Buy from FindMyChip
About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $158.8060 | $158.81 |
| 2+ | $152.8359 | $305.67 |
| 3+ | $146.8657 | $440.60 |
| 19+ | $11.7600 | $223.44 |
| 25+ | $10.9744 | $274.36 |
| 100+ | $9.6375 | $963.75 |
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