The A8585 offers efficient and quiet power conversion for automotive applications, with selectable PWM/PFM modes for optimized light-load efficiency and a sleep mode for ultra-low standby current.
Product Details
Product Details
Top Features
- Automotive AEC-Q100 qualified
- Withstands surge input to 40 VIN for load dump
- Operates down to 3.4 VIN (typ), 3.6 VIN (max) for idle stop
- Utilizes pulse frequency modulation (PFM) for low IQ mode
- Function options:
- Selectable PWM / Low IQ PFM mode, or
- Selectable 10 μA Sleep mode (automatic PWM / Low IQ PFM mode selection)
- Fixed output voltage options: 3.3 V or 5 V with ±1.0% accuracy
- Delivers up to 2 A of output current
- Integrated 110 mΩ high-side MOSFET
- Adjustable switching frequency from 300 to 550 kHz (to 605 kHz with sync)
- EMI Reduction Features:
- Frequency dithering
- Controlled switching node
- External synchronization capability
- Active low NPOR output with 7.5 ms delay
- Pre-bias startup capable: VOUT increases monotonically, will not cause a reset
- External compensation for maximum flexibility
- Stable with ceramic or electrolytic output capacitors
- Internally fixed soft start time of 5 ms
- Pulse-by-pulse current limit, hiccup mode short circuit, and thermal protections
- Pin open/short and component fault tolerant
- -40°C to 150°C operating junction temperature range
- Thermally enhanced SOIC-10 surface mount package
