A4450
A4450 is Buck-Boost Controller manufactured by Allegro MicroSystems.
Buck-Boost Controller with Integrated Buck MOSFET
Features
AND BENEFITS
- Automotive AEC-Q100 qualified
- Wide operating range of 3 to 36 VIN, 40 VIN maximum, covers automotive stop/start, cold crank, double battery, and load dump
- Regulated output can operate up to 2 A DC
- Adjustable PWM switching frequency: 250 kHz to 2.2 MHz
- PWM frequency can be synchronized to external clock: 250 kHz to 2.4 MHz
- Frequency dithering helps reduce EMI/EMC
- Undervoltage protection
- Pin-to-pin and pin-to-ground tolerant at every pin
- Thermal shutdown protection
- Operating junction temperature range
- 40°C to 150°C
PACKAGES:
20-pin 4 × 4 mm QFN (ES) with wettable flank
Not to scale
DESCRIPTION...
