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ADP3188JRUZ-REEL
onsemi
IC REG CTRLR INTEL 4OUT 28TSSOP
1929 Pcs New Original In Stock
- Controller, Intel Processor Voltage Regulator IC 4 Output 28-TSSOP
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*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (295 Ratings)
ADP3188JRUZ-REEL
Product Overview
7759733
DiGi Electronics Part Number
ADP3188JRUZ-REEL-DGManufacturer
onsemi
ADP3188JRUZ-REEL
Description
IC REG CTRLR INTEL 4OUT 28TSSOPInventory
1929 Pcs New Original In Stock
- Controller, Intel Processor Voltage Regulator IC 4 Output 28-TSSOP
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
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Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
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Worldwide Delivery in 3-5 Business Days
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ADP3188JRUZ-REEL Technical Specifications
Category
Power Management (PMIC), Special Purpose Regulators
Packaging
-
Series
-
Product Status
Obsolete
Applications
Controller, Intel Processor
Voltage - Input
12V
Number of Outputs
4
Voltage - Output
0.84V ~ 1.6V
Operating Temperature
0°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-TSSOP (0.173", 4.40mm Width)
Supplier Device Package
28-TSSOP
Base Product Number
ADP3188
Datasheet & Documents
HTML Datasheet
ADP3188JRUZ-REEL-DG
Environmental & Export Classification
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Standard Package
2,500
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
L'expédition a été incroyablement rapide. J'ai reçu ma commande en moins de deux jours, ce qui dépasse mes attentes.
de desembre 02, 2025
Tracking information was detailed and updated regularly, giving me peace of mind during the wait.
de desembre 02, 2025
We value their quick responses when we have questions about our shipments or services.
de desembre 02, 2025
Their customer support goes above and beyond to ensure satisfaction.
de desembre 02, 2025
Their competitive pricing makes electronics accessible, and delivery punctuality keeps my schedule intact.
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Frequently Asked Questions (FAQ)
Can the ADP3188JRUZ-REEL still be reliably sourced and used in new designs despite being marked as obsolete by onsemi?
The ADP3188JRUZ-REEL is officially obsolete, meaning onsemi no longer manufactures or supports it for new designs. While limited stock may exist through authorized distributors or brokers, relying on it introduces significant supply chain and long-term availability risks. For new projects, consider migrating to a modern Intel-compliant multiphase controller such as the ISL6232 or TPS53681, which offer improved efficiency, tighter regulation, and active manufacturer support. If you must use the ADP3188JRUZ-REEL in a legacy redesign, validate authenticity rigorously and secure sufficient inventory with lifecycle planning in mind.
What are the critical thermal and layout considerations when designing a PCB around the ADP3188JRUZ-REEL in a high-current Intel CPU VRM application?
The ADP3188JRUZ-REEL, packaged in a 28-TSSOP with limited thermal dissipation, requires careful PCB layout to avoid thermal throttling or premature failure. Ensure a solid ground plane beneath the IC and use multiple thermal vias under the exposed pad (if present) to conduct heat to inner or bottom layers. Keep high-di/dt current loops (e.g., between input caps, MOSFETs, and inductor) as short as possible to minimize EMI and voltage ripple. Place feedback traces away from noisy switching nodes and use Kelvin sensing for output voltage accuracy. Inadequate layout can lead to unstable regulation or overheating—especially near the 85°C operating limit—so thermal imaging during prototype validation is strongly recommended.
Can the ADP3188JRUZ-REEL be directly replaced with the ADP3187 or ADP3190 in an existing Intel VRD 11.1 design without firmware or hardware changes?
No, the ADP3188JRUZ-REEL cannot be a drop-in replacement for the ADP3187 or ADP3190 without evaluation. While all three support Intel VRD specifications, they differ in phase count, switching frequency, and dynamic response characteristics. The ADP3188JRUZ-REEL is a 4-phase controller optimized for specific transient response profiles, whereas the ADP3190 supports up to 8 phases and includes enhanced current balancing. Substituting without re-tuning compensation networks or verifying load-line calibration may result in instability, excessive overshoot, or failure to meet Intel’s voltage tolerance requirements. Always re-simulate and bench-test any pin-compatible swap under worst-case load transients.
What reliability risks should I consider when using the ADP3188JRUZ-REEL in industrial systems operating near its 85°C maximum junction temperature?
Operating the ADP3188JRUZ-REEL near its 85°C limit significantly accelerates electromigration and degrades long-term reliability, especially given its MSL-3 moisture sensitivity rating, which demands strict handling during assembly. Prolonged exposure to high ambient temperatures—common in industrial enclosures—can push the junction beyond safe limits, leading to parametric drift or catastrophic failure. To mitigate risk, implement active cooling, derate the design by maintaining PCB temperatures below 70°C, and avoid sustained full-load operation in high-ambient environments. Consider upgrading to a newer controller with higher thermal ratings (e.g., 125°C) and better SOA (Safe Operating Area) margins for mission-critical applications.
How does the ADP3188JRUZ-REEL handle input voltage transients above 12V, and what protection circuitry is recommended for automotive or noisy power environments?
The ADP3188JRUZ-REEL is rated for a nominal 12V input but has limited tolerance for sustained overvoltage or fast transients (e.g., load dump in automotive systems). Without external protection, voltage spikes exceeding 16V can damage internal circuitry. In noisy or automotive-derived power systems, always include a TVS diode (e.g., SMAJ15A) close to the input pin, followed by a low-ESR bulk capacitor and LC filter to suppress high-frequency noise. Additionally, consider a pre-regulator or active clamp circuit if input surges are expected. Relying solely on the IC’s built-in protections is insufficient—external clamping is essential to prevent latent failures and ensure system robustness.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
ADP3188JRUZ-REEL CAD Models
onsemi ADP3188JRUZ-REEL PCB symbols & footprints
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