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LR645 Datasheet, Supertex Inc

LR645 regulator equivalent, high input voltage smps start-up / linear regulator.

LR645 Avg. rating / M : 1.0 rating-14

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LR645 Datasheet

Features and benefits

❏ Accepts inputs from 15V to 450V ❏ Compatible with industry standard PWM ICs. See application note AN-H28. ❏ Output currents up to 3mA continuous, 30mA peak ❏ Supply cur.

Application

❏ Off-line SMPS startup circuits (pulse loads) ❏ Low power off-line regulators ❏ Regulators for noisy inputs (continued.

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