LTC3623EUDD#PBF Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
LTC3623EUDD#PBF is a high-current synchronous step-down DC-DC converter from Analog Devices, delivering up to 5 A output current from a 4 V to 15 V input. It uses current-mode PWM control and supports adjustable output voltage from 0 V to 0.5 V, requiring an additional 1.5 V to 15 V bias supply. Designed for point-of-load power in high-density servers, FPGA core supplies, and telecom line cards.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 24
- Lifecycle
- ACTIVE
- Datasheet
- LTC3623EUDD#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $5.4300(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 LTC3623EUDD#PBF?
- 5 A synchronous step-down converter with 4 V to 15 V input range
- Adjustable output voltage from 0 V to 0.5 V for sub-volt core supplies
- Current-mode PWM control for fast transient response
- Compact 24-pin QFN package with exposed pad for thermal management
- Requires 1.5 V to 15 V bias supply for gate driver operation
What is LTC3623EUDD#PBF used for?
The LTC3623EUDD#PBF is used in point-of-load power conversion for FPGAs, ASICs, and DSPs that require sub-volt core voltages at up to 5 A continuous current. Server blades and telecom line cards benefit from its compact 24-pin QFN package and high efficiency at 12 V input. It also suits test and measurement equipment where a precise 0 V to 0.5 V adjustable power rail at high current density is required.
What are the specifications of LTC3623EUDD#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1833 |
| YTEOL | 10 |
| Additional Feature | ALSO REQUIRED 1.5V TO 15V SUPPLY; OPERATES IN ADJUSTABLE MODE FROM 1.5V TO 15V |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 15V |
| Input Voltage-Min | 4V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PQCC-N24 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 7.4A |
| Output Voltage-Max | 14.5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC24,.12X.2,20 |
| Package Shape | RECTANGULAR |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 4000kHz |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Package | Quad Flat No-Lead |
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 | Thailand |
Where can I find the LTC3623EUDD#PBF datasheet?
LTC3623EUDD#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC3623EUDD#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum output current of LTC3623EUDD#PBF and what input voltage range does it accept?
The LTC3623EUDD#PBF delivers up to 5 A continuous output current from an input voltage range of 4 V to 15 V. This makes it suitable for powering FPGA and ASIC core rails at sub-volt levels in 12 V bus architectures typical of server and telecom line card designs.
Why does LTC3623EUDD#PBF require a separate 1.5 V to 15 V bias supply, and how does this affect system design?
The LTC3623EUDD#PBF requires an auxiliary 1.5 V to 15 V bias supply to power its internal gate drivers and control circuitry, separate from the main 4 V to 15 V power input. This dual-supply architecture is common in very-low-output-voltage converters where the gate drive voltage must remain above the switch threshold even when the output is below 1 V.
How does the 24-pin QFN exposed-pad package of LTC3623EUDD#PBF help manage thermal dissipation at 5 A loads?
The 24-pin QFN package includes an exposed copper thermal pad on the bottom that solders directly to a PCB thermal relief plane, providing a junction-to-board thermal resistance significantly lower than leaded packages. At 5 A output and 12 V input, this keeps the die temperature within safe limits without a heatsink, enabling power densities above 20 W in a small PCB footprint.
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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+ | $12.0800 | $12.08 |
| 10+ | $8.3010 | $83.01 |
| 1000+ | $5.4300 | $5430.00 |
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