Power
Intersil’s Dual Synchronous DC/DC Regulator is AEC-Q100 Qualified for Automotive Applications
Intersil Corporation today introduced a space-saving, AEC-Q100-qualified dual synchronous step-down DC/DC regulator featuring a 2.25MHz switching frequency to minimize solution size. The ISL78228 dual step-down DC/DC regulator provides two independent 800mA outputs. Its 3mm x 3mm package and 2.25MHz switching frequency enables very small power solutions for a variety of space-constrained automotive and industrial applications. A 2.75V to 5.5V input voltage range permits powering from common 3.3V or 5V automotive module supply rails. Internal current-mode compensation provides fast transient response, allowing 100% duty cycle for low dropout and eliminates the need for external compensation components.
EachThe ISL78228 is AEC-Q100 qualified and fully TS16949 compliant, and is specified for the full -40 degrees C to 105 degrees C operating temperature range.
Features and Specifications
• Dual 800mA outputs with independent controls
• 2.75V to 5.5V input voltage range
• Typical 95% Efficiency (5Vin, 3.3Vout at 250mA)
• 2.25MHz switching frequency
• Internal compensation minimises external components
• Internal 2ms digital soft-start and Power Good flag
• Overcurrent protection and thermal shutdown
• AEC-Q100 qualified and TS16949 compliant
Pricing and Availability
The ISL78228 is available in a 3mm x 3mm 10-pin exposed pad DFN package with a maximum height of just 0.9mm. Pricing is $0.53 each in 50,000-unit quantities.
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