LT8601EUJ#PBF Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
Analog Devices LT8601EUJ#PBF is an automotive-grade triple-output synchronous step-down DC-DC converter accepting 3V to 42V input and delivering 2.5A, 1.5A, and 1.8A on three independent outputs. Current-mode control with pulse-skip mode ensures high efficiency across light and heavy loads. Packaged in a compact 40-pin QFN with exposed pad for superior thermal performance in vehicle power systems.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 40
- Lifecycle
- ACTIVE
- Datasheet
- LT8601EUJ#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $7.0500(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 LT8601EUJ#PBF?
- Triple synchronous buck outputs (2.5A + 1.5A + 1.8A) from a single 3V–42V input rail simplify multi-rail automotive power design
- Automotive-grade 42V input tolerance handles load dump transients and cold-crank conditions on 12V and 24V vehicle buses
- Current-mode control with pulse-skip mode delivers high efficiency from light loads (<10mA) to full 2.5A output
- Adjustable output voltage from 1V to 41.4V per channel covers 1.8V, 3.3V, and 5V system rails in a single IC
- 40-pin QFN with exposed thermal pad minimizes PCB footprint to under 30mm² while enabling efficient heat dissipation
What is LT8601EUJ#PBF used for?
The LT8601EUJ#PBF is designed for automotive body control modules, ADAS sensor power trees, and telematics units that require three independently regulated rails from a 12V or 24V vehicle bus. Its 42V input rating handles automotive load dump transients without external clamping, reducing BOM complexity. Industrial applications such as 24V PLC power modules and multi-rail FPGA systems also benefit from the triple-output architecture and wide input range.
What are the specifications of LT8601EUJ#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1728 |
| YTEOL | 9 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE SKIP MODE |
| Input Voltage-Max | 42V |
| Input Voltage-Min | 3V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | S-PQCC-N40 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 2.5A |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC40,.24SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 2200kHz |
| Technology | BIPOLAR |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Where can I find the LT8601EUJ#PBF datasheet?
LT8601EUJ#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LT8601EUJ#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What are the three output current ratings of the LT8601EUJ#PBF and what input voltage range does it support?
The LT8601EUJ#PBF provides three step-down outputs rated at 2.5A, 1.5A, and 1.8A respectively, all derived from a single input rail of 3V to 42V. This combination allows a single IC to power multiple processor, memory, and peripheral rails simultaneously in automotive and industrial systems operating from 12V or 24V buses.
Why is the LT8601EUJ#PBF well suited for 12V automotive battery systems with cold-crank conditions?
During automotive cold-crank events, the battery voltage can dip to 3V or below, while load dump transients can spike above 36V. The LT8601EUJ#PBF tolerates 3V to 42V input, ensuring regulated outputs remain stable across both extremes without additional clamping components. This saves PCB space and reduces component count in ADAS modules and telematics ECUs.
How does the pulse-skip mode in the LT8601EUJ#PBF improve light-load efficiency?
Pulse-skip mode allows the LT8601EUJ#PBF to skip switching cycles when load current falls below approximately 100mA, reducing switching losses and maintaining conversion efficiency above 85% at light loads. This is critical for always-on automotive subsystems such as keyless entry modules and infotainment standby circuits where quiescent current directly impacts battery drain over days of vehicle inactivity.
What package does the LT8601EUJ#PBF use, and what thermal advantage does it provide over an SOIC alternative?
The LT8601EUJ#PBF is housed in a 40-pin QFN package with an exposed thermal pad on the bottom, achieving a junction-to-board thermal resistance (θJB) of approximately 10°C/W. Compared to a 28-pin SOIC package with θJA above 60°C/W, the QFN dissipates heat 4–6× more effectively, enabling full 2.5A output without a heatsink at 85°C ambient.
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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+ | $8.0520 | $8.05 |
| 1000+ | $7.0500 | $7050.00 |
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