Analog Devices Inc./Maxim Integrated MAX20796GFB+
- Part No.:
- MAX20796GFB+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Voltage Regulators - Linear + Switching
- Package:
- 35-PowerVQFN
- Datasheet:
-
MAX20796GFB+.pdf
- Description:
- INTEGRATED 2-PHASE, SINGLE SUPPL
- Quantity:
- Payment:

- Shipping:

Inventory:1,708
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Product details
The two-phase architecture spreads current and thermal stress across integrated power stages, improving transient response and reducing ripple compared with a single-phase regulator at similar load levels. Expansion to a third phase allows the same architecture to support higher-current rail designs.
MAX20796GFB+ is commonly used where high current, fast load transients, compact layout, digital configuration, and telemetry-style monitoring are more important than a simple low-current DC-DC converter.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Device Type | Fully integrated two-phase high-current switching regulator. |
| Input Voltage Range | 4.5V to 16V operating input range. |
| Output Current | Up to 60A load current, or up to 90A with an optional external third phase. |
| Power Architecture | Two-phase point-of-load conversion supports high-current digital rails. |
| Control / Monitoring | Digital power configuration and monitoring ecosystem support system-level management. |
| Application Load | Processors, FPGAs, ASICs, networking ICs, and data-center power rails. |
| Thermal Value | Multiphase operation spreads current and heat across the power stage. |
| Package Role | GFB suffix represents the compact package option for dense POL layouts. |
Pinout & Package
The MAX20796GFB+ pinout is organized for high-current input/output power paths, phase switching nodes, control and configuration pins, monitoring signals, compensation or setting networks, and thermal ground connections.
For PCB design, high-current input and output copper should be wide and low impedance, decoupling should be close to the power pins, and thermal vias or copper planes should spread heat away from the package.
| Pin / Function | PCB Design and Circuit Role |
|---|---|
| VIN | Input bus supply for the high-current regulator. |
| SW / Phase Nodes | Switching phase connections for the integrated multiphase power stage. |
| VOUT | High-current regulated output rail for digital loads. |
| PGND / GND | Power and signal ground returns requiring careful layout separation. |
| Control Interface | Digital configuration or programming pins for regulator setup and monitoring. |
| PG / Fault | Status or fault reporting pins for system supervision. |
| Sense / Feedback | Remote sense or feedback path for output regulation accuracy. |
| Thermal Pad | Heat-spreading connection requiring substantial PCB copper. |
Key Features
- Two-phase integrated regulator supports very high load current.
- 4.5V to 16V input range suits intermediate bus architectures.
- Expandable current capability supports demanding digital loads.
- Digital configuration and monitoring aid system power management.
- Multiphase operation improves transient and thermal behavior.
- Compact package supports dense data-center and networking boards.
Applications
| FPGA Power Rails | ASIC Supplies |
|---|---|
|
Use Scenario: Used in high-current FPGA core or auxiliary rails. IC Role: Provides compact multiphase point-of-load conversion. Use Value: Supports fast transient response and high current density. |
Use Scenario: Used in custom digital and accelerator hardware. IC Role: Generates tightly regulated low-voltage rails. Use Value: Improves integration for dense compute boards. |
| Networking Equipment | Data-Center Hardware |
|
Use Scenario: Used in routers, switches, and telecom systems. IC Role: Supplies high-current processor or packet-processing ICs. Use Value: Supports efficient intermediate-bus conversion. |
Use Scenario: Used in server and accelerator power architectures. IC Role: Provides high-density POL regulation near the load. Use Value: Improves thermal and current distribution. |
Equivalent & Alternatives
When evaluating a MAX20796GFB+ equivalent, engineers should compare input bus range, maximum current, phase count, transient response, telemetry/control ecosystem, package thermal performance, and layout requirements.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX20796AGFB+ | Same MAX20796 family with a related orderable option and similar two-phase high-current regulator architecture. | Used when the same PCB architecture can accept the alternate family option. | Compare grade, package marking, firmware configuration, and availability. |
| TPS546D24A | Texas Instruments stackable high-current buck converter with PMBus control and a different power-stage/control implementation. | Used in high-current FPGA, ASIC, and processor point-of-load rails. | Compare current rating, PMBus features, phase scaling, package, and compensation requirements. |
Compared with MAX20796AGFB+, MAX20796GFB+ should be selected according to orderable option, configuration, and procurement requirements. MAX20796GFB+ vs TPS546D24A selection depends on current rating, digital control interface, phase expansion, package footprint, and existing power-stage layout.
Quality
MAX20796GFB+ should be sourced as original Analog Devices/Maxim Integrated components through traceable channels. Quality checks may include package inspection, top-mark validation, solderability testing, and high-current regulator electrical verification.
Production validation should include load-step response, thermal rise, current sharing, configuration programming, fault reporting, input/output ripple, and PCB copper temperature under high load.
Availability
MAX20796GFB+ available at Aetrix Electronics and is suitable for high-current FPGA, ASIC, processor, networking, and data-center power platforms.
Supply support may include volume procurement planning, scheduled delivery arrangements, traceable sourcing management, and long-term supply support for OEM, industrial electronics, automotive electronics, and embedded product programs. Sample and NPI supply support, as well as urgent in-stock supply support, can also be arranged for prototype builds, pilot runs, and time-critical production needs.
For production builds, confirming current budget, package, configuration require
MAX20796GFB+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 35-PowerVQFN
- Packaging:
- Tray
- Product Status:
- Active
- Topology:
- Step-Down (Buck) Synchronous (2), Linear (LDO) (1)
- Number of Outputs:
- 3
- Frequency - Switching:
- 200kHz ~ 799kHz
- Voltage/Current - Output 1:
- 0.5V ~ 5.5V, 60A
- Voltage/Current - Output 2:
- 0.5V ~ 5.5V, 60A
- Voltage/Current - Output 3:
- Fixed
- w/LED Driver:
- No
- w/Supervisor:
- No
- w/Sequencer:
- No
- Voltage - Supply:
- 4.5V ~ 16V
- Operating Temperature:
- 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 35-FC2QFN (4x10.5)
MAX20796GFB+ FAQ
1.How can I place an order for MAX20796GFB+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX20796GFB+ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MAX20796GFB+ reliable?
The price and inventory of MAX20796GFB+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX20796GFB+ is usually 5 days.
3.What payment methods are accepted for MAX20796GFB+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX20796GFB+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX20796GFB+?
MAX20796GFB+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX20796GFB+ order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MAX20796GFB+?
For technical support, including MAX20796GFB+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX20796GFB+ requirements.
6.How does Aetrix verify that MAX20796GFB+ is sourced from the original manufacturer or authorized distributors?
All MAX20796GFB+ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MAX20796GFB+ meets industry standards.
7.What is the process for return or replacement of MAX20796GFB+?
All MAX20796GFB+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX20796GFB+, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MAX20796GFB+ part is unused and in its original packaging.
Return procedure for MAX20796GFB+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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