The A8584 provides efficient step-down conversion for a wide input voltage range (4.7V-36V), delivering up to 2.5A output current. Features current-mode control, adjustable switching frequency, and comprehensive protection.
Product Details
Product Details
Top Features
- Automotive AEC-Q100 qualified
- Wide operating voltage range: 4.7 to 36 V
- UVLO stop threshold is at 3.8 V (typ)
- Supports 40 V input for surge and load dump testing
- Adjustable output voltage as low as 0.8 V
- Internal 800 mV reference with ±1.5% accuracy
- Internal 100 mΩ high-side switching MOSFET
- Adjustable switching frequency, fSW: 250 to 500 kHz
- Synchronization to external clock: 1.2 × fSW to 1.5 × fSW
- Sleep mode supply current less then 3 μA
- Soft start time externally set via the SS pin
- Very low no-load current
- Pre-bias startup compatible
- Power OK (POK) output
- Pulse-by-pulse current limiting (OCP)
- Hiccup mode short-circuit protection (HIC)
- Overtemperature protection (TSD)
- Open-circuit and adjacent pin short-circuit tolerant
- Short-to-ground tolerant at every pin
- Externally adjustable compensation
- Stable with ceramic output capacitors
