MAX20026
Automotive Quad, Low-Voltage Step-Down DC-DC Converters with Low-Noise LDO
Four 1A Low-Voltage High-Efficient DC-DC Converters and One Low-Noise 200mA LDO
Top
Overview
Features and Benefits
- High-Integration Shrinks Solution Size
- Quad Step-Down DC-DC Converters with Integrated MOSFETs, Capable of Delivering 1.0A Each
- One 200mA LDO with Adjustable Output Voltage
- Hybrid Load-Line Architecture Enables Small Output Capacitors
- Performance Designed for Automotive Point-of-Load Regulation
- Operates from 3.0V to 5.5V Supply Voltage
- Individual Enable Signals for Each Output
- UV/OV/UVM/PGOOD
- Soft-Start and Supply Sequencing Reduces Inrush Current
- Low-Noise Features Improve EMI Performance
- 3.2MHz Switching Frequency
- Forced-PWM Operation
- Two Channels 180 Degrees Out-of-Phase
- SYNC Input
- Robust for the Automotive Environment
- 28-Pin (4mm x 4mm x 0.8mm) TQFN-EP Package
- -40°C to +125°C Operating Temperature Range
- AEC-Q100 Qualified
Product Details
The MAX20026/MAX20026S power-management ICs (PMICs) integrate four low-voltage, high-efficiency, step-down DC-DC converters and one low-noise LDO linear regulator. Each of the four step-down DC-DC converter outputs is factory set and can deliver up to 1.0A of current. The LDO linear regulator output is selectable to 2.5V or adjustable, and can deliver 200mA of current. The PMICs operate from 3.0V to 5.5V, making them ideal for automotive point-of- load and post-regulation applications.
The PMICs feature fixed-frequency PWM-mode operation with a switching frequency of 3.2MHz. High-frequency operation allows for an all-ceramic capacitor design and small-size external components. The low-resistance on-chip switches ensure high efficiency at heavy loads while minimizing critical inductances, making the layout a much simpler task with respect to discrete solutions. Internal current sensing and loop compensation reduce board space and system cost.
Two of the four buck converters operate 180 degrees out of phase with the internal clock. This feature reduces the necessary input capacitance and improves EMI as well. All four buck converters operate in constant-PWM mode outside the AM band. The PMICs offer a SYNC input to synchronize to an external clock. The PMICs provide individual enable inputs and one power-good output.
The PMICs provide individual enable inputs and one power-good output.
The PMICs offer several important protection features, including input overvoltage protection, input undervoltage monitoring, input undervoltage lockout, cycle-by-cycle current limiting, and overtemperature shutdown. The input undervoltage monitor indicates a brownout condition by driving PGOOD low when the input falls below the undervoltage monitoring (UVM) threshold.
The MAX20026/MAX20026S PMICs are available in a 28-pin TQFN package with an exposed pad and are specified for operation over the -40°C to +125°C automotive temperature range.
APPLICATIONS
- Automotive
- Industrial
Complete documentation is available upon completion of a Non-Disclosure Agreement (NDA). To request an NDA, click here.
Product Lifecycle
Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Evaluation Kits (1)
Documentation & Resources
Design Resources
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.
| Part Number | Material Declaration | Reliability Data | Pin/Package Drawing | CAD Symbols, Footprints & 3D Models |
|---|---|---|---|---|
| MAX20026ATIA/V+ | Material Declaration | Reliability Data | Thin Quad Flatpack, No Leads | |
| MAX20026ATIA/V+T | Material Declaration | Reliability Data | Thin Quad Flatpack, No Leads | |
| MAX20026ATIB/V+ | Material Declaration | Reliability Data | Thin Quad Flatpack, No Leads | |
| MAX20026ATIB/V+T | Material Declaration | Reliability Data | Thin Quad Flatpack, No Leads | |
| MAX20026ATIC/V+ | Material Declaration | Reliability Data | Thin Quad Flatpack, No Leads | |
| MAX20026ATIC/V+T | Material Declaration | Reliability Data | Thin Quad Flatpack, No Leads | |
| MAX20026ATID/V+ | Material Declaration | Reliability Data | Thin Quad Flatpack, No Leads | |
| MAX20026ATID/V+T | Material Declaration | Reliability Data | Thin Quad Flatpack, No Leads | |
| Wafer Fabrication Data |
PCN-PDN Information
Select a model from the dropdown below to subscribe to PCN/PDN notifications and view past notifications as well.
Support & Discussions
Sample & Buy
Ordering FAQs
See our Ordering FAQs for answers to questions about online orders, payment options and more.
Buy Now Pricing
(**) Displayed Buy Now Price and Price Range is based on small quantity orders.
List Pricing
(*)The 1Ku list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
Lead Times
Please see the latest communication from our CCO regarding lead times.
Sampling
A Sample link will be shown above, next to the part, only for parts that are included in our sample program. Selecting the Sample button will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.
Evaluation Boards
Pricing displayed is based on 1-piece.
Up to two boards can be purchased through Analog.com. To order more than two, please purchase through one of our listed distributors.
Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.