A8591
A8591 is 2A Buck Regulator manufactured by Allegro MicroSystems.
Wide Input Voltage, 2 A Buck Regulator Family with Low-IQ Mode
Features
AND BENEFITS
- 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
- 10 μA Sleep mode (automatic PWM / Low-IQ PFM mode selection)
- Fixed output voltage options: 3.3 or 5 V with ±1% accuracy
- Delivers up to 2 A of output current
- Integrated 110 mΩ high-side MOSFET
- Adjustable switching frequency from 300 kHz to 2.4 MHz
- EMI reduction Features
:
- - Frequency dithering
- - Controlled switching node
- External synchronization capability
- Maximum duty cycle for low...
