Overview
Description
The ISL8014AEVAL2Z evaluation board is intended for use by individuals with requirements for point-of-load (POL) applications sourcing from 2.7V to 5.5V. This evaluation board demonstrates the performance of the ISL8014A low quiescent current mode converter.
The ISL8014A is a high-efficiency, monolithic, synchronous step-down DC/DC converter that can deliver up to 4A of continuous output current from a 2.8V to 5.5V input supply. It uses a current control architecture to deliver very low duty cycle operation at high frequency with fast transient response and excellent loop stability.
Features
- High-efficiency synchronous buck regulator with up to 95% efficiency
- Power-good (PG) output with 1ms delay
- 2.7V to 5.5V supply voltage
- 3% output accuracy over-temperature/load/line
- 4A guaranteed output current
- Start-up with pre-biased output
- Internal digital soft-start - 1ms
- Soft-stop output discharge during disabled
- 35µA quiescent supply current in PFM mode
- Selectable forced PWM mode and PFM mode
- External synchronization up to 4MHz
- Less than 1µA logic controlled shutdown current
- 100% maximum duty cycle for lowest dropout
- Internal current mode compensation
- Peak current limiting and hiccup mode short circuit protection
- Over-temperature protection
Applications
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