LTC7800HUDC#PBF Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
Analog Devices LTC7800HUDC#PBF is a high-frequency synchronous buck controller operating from 4V to 60V input and supporting switching frequencies up to 2 MHz. It uses current-mode PWM control with fast transient response and is housed in a 20-lead QFN package for compact, thermally efficient power stage designs.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- LTC7800HUDC#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.7700(MOQ 1)
- Temp Range
- -40.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LTC7800HUDC#PBF?
- 4V to 60V input range accommodates diverse power rail architectures from 5V to 48V bus
- High-frequency switching up to 2 MHz reduces output filter size and improves dynamic response
- Current-mode PWM control delivers fast load transient response with cycle-by-cycle current limiting
- 20-lead QFN package minimizes PCB footprint and lowers parasitic inductance in switching nodes
What is LTC7800HUDC#PBF used for?
The LTC7800HUDC#PBF is designed for high-density DC-DC buck converter designs in industrial automation, telecom, and server power systems where input rails range from 12V to 48V. Its wide 4V to 60V input tolerance and 2 MHz switching capability allow engineers to miniaturize output filters while maintaining tight voltage regulation for FPGAs, ASICs, and point-of-load modules. The device also serves automotive and ruggedized applications requiring operation across extended temperature ranges.
What are the specifications of LTC7800HUDC#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1742 |
| YTEOL | 9 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 60V |
| Input Voltage-Min | 4V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PQCC-N20 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Voltage-Max | 24V |
| Output Voltage-Min | 0.8V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC20,.12X.16,20 |
| Package Shape | RECTANGULAR |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 2250kHz |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| 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 LTC7800HUDC#PBF datasheet?
LTC7800HUDC#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC7800HUDC#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range and switching frequency does the LTC7800HUDC#PBF support?
The LTC7800HUDC#PBF accepts input voltages from 4V to 60V and supports switching frequencies up to 2 MHz, making it versatile for 12V, 24V, and 48V bus architectures. Higher switching frequencies allow smaller inductors and capacitors, reducing total solution size in space-constrained power modules.
How does current-mode PWM control in the LTC7800 benefit high-current point-of-load converter designs?
Current-mode PWM control in the LTC7800HUDC#PBF provides inherent cycle-by-cycle peak current limiting and first-order inductor current averaging, which simplifies compensation and improves load transient response by up to 30% compared to voltage-mode controllers. This is especially valuable in point-of-load converters supplying FPGAs or memory rails that experience rapid load steps of 5A to 20A within microseconds.
Which industrial or telecom applications are best matched to the LTC7800HUDC#PBF's 60V tolerance?
Industrial 48V bus systems, telecom rectifier outputs, and motor drive auxiliary rails all benefit from the 60V input tolerance of the LTC7800HUDC#PBF. It handles input surges on 48V distribution rails where voltage can reach 55V to 58V transiently, eliminating the need for external TVS clamping in many designs and reducing BOM cost.
How does the 20-lead QFN package of the LTC7800HUDC#PBF compare to TSSOP alternatives for thermal and EMI performance?
The 20-lead QFN package of the LTC7800HUDC#PBF reduces lead inductance to under 1 nH per pin compared to TSSOP packages, improving switching node waveform integrity at 1 MHz to 2 MHz. The exposed thermal pad also conducts heat directly to the PCB ground plane, enabling operation at junction temperatures up to 125°C without additional heatsinking in typical airflow conditions.
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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+ | $12.7900 | $12.79 |
| 10+ | $8.8170 | $88.17 |
| 19+ | $7.7500 | $147.25 |
| 182+ | $2.7700 | $504.14 |
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