Features and Benefits
- Rich Feature Set in Ultra-Small Footprint
- High Efficiency DC-DC Converter
- Up to 1A Output Current.
- 3.0V to 5.5V Operating Supply Voltage
- Resistor Adjustable or Factory-Preset Output Voltage
- Synchronizable, 2.2MHz Switching Frequency
- Enable Input
- PGOOD Output
- Current-Mode Architecture
- Optional Spread Spectrum
- 2mm x 2mm x 0.85mm 8-Pin TDFN
- 107% OV Monitor
- 93% UV Monitor
- ±1.5% Output-Voltage Accuracy
- Forced-PWM and Skip Modes
- Overtemperature and Short-Circuit Protection
- -40°C to +125°C Operating Temperature Range
The MAX20071/MAX20072 high-efficiency switching regulator family delivers up to a 1A load current from 0.5V to 3.8V. The device operates from an input voltage range of 3.0V to 5.5V making it ideal for on-board point-of-load and post-regulation applications. Total output error is less than ±1.5% over load, line, and temperature.
The MAX20071/MAX20072 features fixed-frequency PWM mode operation with a switching frequency of 2.2MHz. High-frequency operation enables an all-ceramic capacitor design and small external components.
The MAX20071/MAX20072 provides an enable input and PGOOD output. The output voltage can be preset at the factory to allow customers to achieve ±1.5% output- voltage accuracy without external 0.1% resistors. In addition, the output voltage can be set to any customer value by using two external resistors at the feedback with 0.5V internal reference. The devices offers a fixed 0.85ms soft-start time.
The 8-pin TDFN exposed pad devices include overtemperature shutdown and overcurrent limiting. All devices are designed to operate from -40°C to +125°C ambient temperature.
Markets and Technologies
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)
The MAX20072 evaluation kit (EV kit) demonstrates the performance and behavior of the MAX20071 and MAX20072 low-voltage step-down switching regulators.
The MAX20072 high-efficiency switching regulator family delivers up to 1A load current from 0.5V to 3.8V. The device operates from 2.7V to 5.5V, making it ideal for on-board point-of-load and post-regulation applications. Total output error is less than ±1.5% over load, line, and temperature. It features fixed-frequency PWM mode operation, with a switching frequency of 2.2MHz. The high operating frequency allows for all-ceramic capacitor design and other small-size external components.
The device provides an enable input (EN) and a power-good output (PG). The output voltage can be preset at the factory to allow customers to achieve ±1.5% output-voltage accuracy without using expensive 0.1% resistors. Alternatively, the output voltage can be set to any customer value by using two external resistors at the feedback with 0.5V internal reference. The device offers factory-programmable spread-spectrum switching and soft-start time.
The MAX20072 includes overtemperature shutdown and overcurrent limiting and is designed to continuously operate from -40°C to +125°C chip temperature.
Features & Benefits
- 2.7V to 5.5V Input Voltage Range
- 1.8V Output at 1A
- < 1μA Quiescent Current in Shutdown Mode
- High-Frequency Operation
- 2.2MHz or External Clock Synchronization
- Compact System Size
- Full Solution with External Reference Divider Occupies Only 40mm2
Documentation & 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.
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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.