Analog Devices / Maxim Integrated MAX20411 Automotive Single Step-Down Converters
Analog Devices MAX20411 Automotive Single Step-Down Converters supply a 0.5V to 1.275V output voltage range and operate from 3.0V to 5.5V input. The wide input/output voltage range and the capability to deliver up to 40A peak output current makes the MAX20411 ideal for onboard point-of-load and post-regulation applications.
The ADI MAX20411 reaches as low as ±0.75% output error over load, line, and temperature ranges. The device offers a 2.1MHz fixed-frequency PWM mode for better noise immunity and load-transient response. The 2.1MHz frequency operation permits using all ceramic capacitors and minimizes external components. The spread-spectrum frequency modulation option minimizes radiated electromagnetic emissions. Low RDS(ON) switches enhance efficiency at heavy loads and simplify layouts.
The MAX20411 features the MAXQ® power architecture, which supplies precision transient performance and phase margin. This architecture enables maximum power, performance, and precision while minimizing system costs for any specific application.
Features
- High-efficiency DC-DC converter
- Up to 40A peak output current
- MAX20411A at 16A
- MAX20411B at 22A
- MAX20411C at 30A
- MAX20411D at 40A
- Differential remote voltage sensing
- 3.0V to 5.5V operating supply voltage
- I2C-controlled output voltage, 0.5V to 1.275V in 6.25mV steps
- Excellent load-transient performance
- Advanced programmable compensation
- MAXQ™ power architecture
- Hybrid load line and integrator options
- 2.1MHz or 1.05MHz operation
- As low as ±0.75% output voltage accuracy
- RESET output
- Current mode forced PWM operation
- ASIL D compliant
- Redundant reference
- BIST Diagnostics
- PEC on I2C
- Programmable OV/UV with ±1% accuracy
- Overtemperature and short-circuit protection
- 3.5mm x 5mm 21-pin side-wettable FC2QFN
- AEC-Q100 qualified
- -40°C to +125°C Grade 1 automotive temperature range
Applications
- Automotive ADAS systems
- SoC core power
Videos
Simplified Block Diagram
Paskelbta: 2023-07-31
| Atnaujinta: 2024-06-10