MAX20076
36V, 600mA/1.2A Mini Buck Converter
Best-in-Class Ultra Low Mini Buck Ideal for Automotive Applications
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Overview
Features and Benefits
- Synchronous DC-DC Converter with Integrated FETs
- MAX20075 = 0.6A IOUT
- MAX20076/MAX25276 = 1.2A IOUT
- 20ns Minimum On-Time Small Solution Size Saves Space
- 2.1MHz Frequency
- Programmable 1V to 10V Output for the Buck, or Fixed 5V/3.3V Options Available
- Fixed 2.5ms Internal Soft-Start
- Fixed Output Voltage with ±2% Output Accuracy (5V/3.3V), or Externally Resistor Adjustable (1V to 10V) with ±1.5% FB Accuracy
- Innovative Current-Mode-Control Architecture Minimizes Total Board Space and BOM Count
- PGOOD Output and High-Voltage EN Input Simplify Power Sequencing
- Protection Features and Operating Range Ideal for Automotive Applications
- 3.5V to 36V Operating VIN Range
- 40V Load-Dump Protection
- 99% Duty-Cycle Operation with Low Dropout
- -40°C to +125°C Automotive Temperature Range
- AEC-Q100 Qualified
Product Details
The MAX20075/MAX20076/MAX25276 are small, synchronous buck converters with integrated high-side and low-side switches. The MAX20076/MAX25276 are designed to deliver up to 1.2A and the MAX20075 up to 0.6A, with 3.5V to 36V input voltages. The devices provide an accurate output voltage of ±2% within the normal operation input range of 6V to 18V. With 20ns minimum on-time capability, the converter is capable of large input-to-output conversion ratios. Voltage quality can be monitored by observing the PGOOD signal. The devices can operate in dropout by running at 99% duty cycle, making them ideal for automotive and industrial applications. The devices offer two fixed output voltages of 5V and 3.3V. In addition, the devices can be configured for 1V to 10V output voltages using an external resistor-divider. Frequency is internally fixed at 2.1MHz, which allows for small external components and reduced output ripple, and guarantees no AM interference. The devices offer pin-enabled spread-spectrum-frequency modulation designed to minimize EMI-radiated emissions due to the modulation frequency.
The MAX20075/MAX20076 /MAX25276 are available in small (3mm × 3mm) 12-pin TDFN and side-wettable TDFN packages with an exposed pad, and use very few external components.
APPLICATIONS
- Automotive
- High-Voltage DC-DC Converters
- Industrial
Product Categories
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 (2)
Documentation & Resources
Tools & Simulations
EE-Sim® Power Tools
The EE-Sim DC-DC Converter Tool uses your requirements to quickly create a complete power design including a schematic, BOM with commercially available parts, and time and frequency domain simulations. Your customized schematic can be downloaded for further analysis in the standalone EE-Sim OASIS Simulator, featuring SIMPLIS and SIMetrix SPICE engines.
SIMPLIS Models
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 |
|---|---|---|---|---|
| MAX20076ATCA/V+ | Material Declaration | Reliability Data | 12-LFCSP-3X3X0.75 | |
| MAX20076ATCA/V+T | Material Declaration | Reliability Data | 12-LFCSP-3X3X0.75 | |
| MAX20076ATCB/V+ | Material Declaration | Reliability Data | 12-LFCSP-3X3X0.75 | |
| MAX20076ATCB/V+T | Material Declaration | Reliability Data | 12-LFCSP-3X3X0.75 | |
| MAX20076ATCC/V+ | Material Declaration | Reliability Data | 12-LFCSP-3X3X0.75 | |
| MAX20076ATCC/V+T | Material Declaration | Reliability Data | 12-LFCSP-3X3X0.75 | |
| MAX20076ATCC/VY+ | Material Declaration | Reliability Data | 12-LFCSP_SS-3X3X0.75 | |
| MAX20076ATCC/VY+T | Material Declaration | Reliability Data | 12-LFCSP_SS-3X3X0.75 | |
| MAX20076BATCB/VY+ | Material Declaration | Reliability Data | 12-LFCSP_SS-3X3X0.75 | |
| MAX20076BATCB/VY+T | Material Declaration | Reliability Data | 12-LFCSP_SS-3X3X0.75 | |
| Wafer Fabrication Data |
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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.