LTC2928CUHF#PBF Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
Analog Devices LTC2928CUHF#PBF is a power supply sequencer and supervisor IC monitoring 4 voltage rails from 2.9 V to 16.5 V input with active-low reset output in a QFN-38 package. Provides programmable sequencing, adjustable thresholds, and voltage-mode control for complex multi-rail systems. Available in RoHS-compliant format with worldwide stock and competitive pricing.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 38
- Lifecycle
- ACTIVE
- Datasheet
- LTC2928CUHF#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $5.4300(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LTC2928CUHF#PBF?
- 4-channel power supply sequencer and supervisor with adjustable thresholds monitors rails from 2.9 V to 16.5 V for multi-rail system startup control
- Active-low reset output with voltage-mode control enables safe power-on sequencing in FPGAs, DSPs, and multi-processor systems
- QFN-38 package delivers compact footprint with excellent thermal performance for high-density power management PCB designs
What is LTC2928CUHF#PBF used for?
The LTC2928CUHF#PBF is used in FPGA development boards, multi-processor computing platforms, and telecommunications line cards where precise power-on sequencing across 4 or more voltage rails is required. Its 2.9 V to 16.5 V input range and adjustable threshold monitoring suit industrial servers, network equipment, and embedded computing systems where incorrect power-up sequencing could damage sensitive ICs operating at different voltage levels.
What are the specifications of LTC2928CUHF#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1701 |
| YTEOL | 10 |
| Additional Feature | SEATED HT-CALCULATED |
| Adjustable Threshold | YES |
| Analog IC - Other Type | POWER SEQUENCER |
| Control Mode | VOLTAGE-MODE |
| Input Voltage-Max | 6V |
| Input Voltage-Min | 2.9V |
| Input Voltage-Nom | 3.3V |
| JESD-30 Code | R-PQCC-N38 |
| JESD-609 Code | e3 |
| Number of Channels | 4 |
| Number of Functions | 1 |
| Number of Outputs | 4 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC38,.2X.28,20 |
| Package Shape | RECTANGULAR |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Protections | OUTPUT OVER VOLTAGE; INPUT UNDER VOLTAGE |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2.9V |
| Supply Voltage-Nom (Vsup) | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Threshold Voltage-Nom | +0.5V |
| 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 | Thailand |
Where can I find the LTC2928CUHF#PBF datasheet?
LTC2928CUHF#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC2928CUHF#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many voltage rails can LTC2928CUHF#PBF monitor and what is its input voltage range?
The LTC2928CUHF#PBF monitors up to 4 voltage rails with adjustable threshold detection across an input voltage range of 2.9 V to 16.5 V. Its nominal input of 3.3 V makes it compatible with standard logic supply voltages, while the wide 16.5 V maximum input accommodates 12 V and 15 V industrial rail supervision in multi-supply FPGA and processor systems requiring coordinated power sequencing.
In which multi-supply FPGA and processor board designs does LTC2928CUHF#PBF provide critical sequencing control?
LTC2928CUHF#PBF is essential in FPGA boards where core voltage (0.9 V to 1.2 V), I/O voltage (1.8 V to 3.3 V), and auxiliary rails must power up in a defined sequence within milliseconds to prevent latch-up or data corruption. It also suits network processor platforms and DSP systems where 4 monitored rails including DDR memory supplies and PCIe interfaces require active-low reset assertion until all supplies reach valid thresholds.
How does LTC2928CUHF#PBF QFN-38 package benefit thermal performance in power management designs versus SOIC alternatives?
The QFN-38 package of LTC2928CUHF#PBF provides a thermal pad on its underside that significantly reduces junction-to-board thermal resistance compared to an equivalent SOIC package with no exposed pad. This allows the IC to dissipate more heat in compact PCB layouts, supporting higher ambient temperature operation up to the device's maximum rated junction temperature. The QFN footprint also reduces parasitic inductance on power and ground pins compared to SOIC packages with longer lead frames.
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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 |
| 19+ | $7.2000 | $136.80 |
| 1000+ | $5.4300 | $5430.00 |
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