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SC410AEVB Datasheet(PDF) 1 Page - Semtech Corporation |
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SC410AEVB Datasheet(HTML) 1 Page - Semtech Corporation |
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1 / 26 page  © 2011 Semtech Corporation POWER MANAGEMENT 1 SC410A 2A EcoSpeed® Step-Down Regulator with LDO and Power Save Typical Application Circuit Rev. 1.0 Features Input voltage — 7V to 24V Output voltage — 0.75V to 7.5V Output current — Up to 2A Internal reference — + 1% Small ceramic capacitors Power good pin (open-drain) Adaptive on-time control: Excellent transient response Programmable pseudo-fixed frequency during CCM Fault protection features (automatic fault recovery): Cycle-by-cycle current limit Short circuit protection Over and under output voltage protection Over-temperature Internal soft-start Power save and smart PSAVE Internal LDO for bias voltage Ultra-small lead-free 3 x 3(mm), 10-Pin MLPD package WEEE and RoHS compliant and halogen-free Applications Networking Equipment, Embedded Systems Medical Equipment, Office Automation Instrumentation, Portable Systems Consumer Devices such as DTV and Set-top Boxes POL Converters • • • • • • Description The SC410A is an integrated, synchronous 2A EcoSpeed® step-down regulator. It incorporates Semtech’s advanced, patented adaptive on-time architecture to achieve best- in-class dynamic performance using point-of-load appli- cations. The input voltage range is 7V to 24V with a programmable output voltage from 0.75V up to 7.5V. The device features an internal LDO and PSAVE mode for high efficiency across the output load range. Adaptive on-time control provides programmable pseudo-fixed frequency operation in continuous conduc- tion and excellent transient performance. The switching frequency can be set from 200kHz to 1MHz, allowing the designer to reduce external LC filtering and minimize light load (standby) losses. Additional features include cycle-by-cycle current limit, soft start, output OV protection and over temperature protection. The open-drain PGOOD pin provides output status. The device is available in a low profile, thermally enhanced MLPD 3 x 3(mm) 10-pin package. SC410A EN VIN TON LDO LX BST VOUT Enable VIN FB PGOOD CIN CLDO2 RTON L1 CBST COUT RTOP RBOT PGOOD CLDO1 PGND AGND |
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