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Reference Design
LM2840-Q1, LM2841-Q1, LM2842-Q1
SNVSBE5 – APRIL 2019
LM284x-Q1 Automotive SIMPLE SWITCHER® 4.
5-V to 42-V Input, 0.
1-, 0.
3-, or 0.
6-A Output Step-Down DC/DC Regulator in Thin SOT
1 Features
•1 AEC-Q100-qualified for automotive applications: – Temperature grade 1: –40°C to +125°C, TA
• Input
voltage 4.
5 V to 42 V • Output current options of 100 mA, 300 mA, and
600 mA • Feedback pin
voltage of 0.
765 V • 550-kHz (X) or 1.
25-MHz (Y) switching frequency • Low shutdown IQ: 16-µA typical • Short-circuit protected • Internally compensated • Soft-start circuitry • Small overall solution size (SOT-...