LT8650SIV#PBF Analog Devices Integrated Circuit (Other) In Stock
LT8650SIV#PBF is a dual synchronous step-down DC/DC converter supporting input voltages from 3 V to 42 V with 5 A per channel output capability. It uses current-mode PWM control for fast transient response and excellent load regulation. Designed for industrial power supplies, automotive systems, and multi-rail point-of-load conversion.
- Manufacturer
- Analog Devices
- Package
- Other
- Pin Count
- 32
- Lifecycle
- ACTIVE
- Datasheet
- LT8650SIV#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $8.5700(MOQ 14)
- 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 LT8650SIV#PBF?
- Dual 5 A synchronous buck channels from a single IC
- 42 V maximum input voltage for industrial and automotive use
- Current-mode PWM control for fast transient response
- Wide input range 3 V to 42 V covering 12 V and 24 V bus systems
- Compact 32-lead package (R-XQCC-N32) for high power density designs
- Supports independent or tracking output regulation for dual-rail systems
What is LT8650SIV#PBF used for?
The LT8650SIV#PBF is ideal for industrial automation equipment and telecom infrastructure requiring dual regulated output rails from high-voltage buses up to 42 V. Its 5 A per channel rating makes it well-suited for powering FPGAs, processors, and analog circuitry in automotive electronics and rugged embedded systems. The device also serves multi-rail DC/DC conversion in rack-mount servers and test equipment where efficiency and compact footprint are both critical.
What are the specifications of LT8650SIV#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1665 |
| YTEOL | 10 |
| Analog IC - Other Type | DUAL SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 42V |
| Input Voltage-Min | 3V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-XQCC-N32 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 4A |
| Output Voltage-Min | 0.8V |
| Package Body Material | PLASTIC/EPOXY |
| 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 | 2150kHz |
| 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 LT8650SIV#PBF datasheet?
LT8650SIV#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LT8650SIV#PBF?
Compatible alternatives and drop-in replacements for LT8650SIV#PBF:
Frequently Asked Questions
What are the input and output current limits of the LT8650SIV#PBF, and can it supply a 5 A load on both channels simultaneously?
The LT8650SIV#PBF supports a maximum input voltage of 42 V with a minimum of 3 V, and each of the two synchronous buck channels is rated for 5 A continuous output current. Both channels can operate simultaneously at full 5 A load, delivering dual independent regulated voltages with current-mode PWM control ensuring stable regulation under dynamic load changes.
How does the LT8650SIV#PBF perform in 24 V industrial bus applications compared to a single-channel solution?
In 24 V industrial systems, the LT8650SIV#PBF integrates two 5 A buck regulators into one 32-pin package, replacing two separate single-channel ICs and reducing board area by up to 40%. The 3 V to 42 V input range comfortably covers the 24 V nominal bus including transients up to 42 V, making it suitable for PLC power stages, motor drive auxiliary rails, and sensor power in industrial environments.
What control topology does the LT8650SIV#PBF use, and how does it benefit designs with rapidly changing loads?
The LT8650SIV#PBF employs current-mode pulse width modulation (PWM) control, which inherently provides cycle-by-cycle current limiting and faster transient response compared to voltage-mode control. This means the output voltage recovers within microseconds when load steps occur, critical for digital loads such as FPGAs and microcontrollers that draw currents varying from near-zero to several amperes within nanoseconds.
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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 |
|---|---|---|
| 14+ | $14.8881 | $208.43 |
| 18+ | $14.3284 | $257.91 |
| 19+ | $11.3600 | $215.84 |
| 25+ | $10.6648 | $266.62 |
| 100+ | $9.3125 | $931.25 |
| 1000+ | $8.5700 | $8570.00 |
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