SC410MLTRT Semtech

SC410 3A EcoSpeed Step-Down Regulator with LDO and Ultrasonic Power Save POWER MANAGEMENT Features Description Input voltage 5.5V to 24V The SC410 is an integrated, synchronous 3A EcoSpeed Output voltage 0.75V to 7.5V step-down regulator. It incorporates Semtechs advanced, Output current Up to 3A patented adaptive on-time architecture to achieve best- Internal reference + 1% in-class dynamic performance using point-of-load appli- Small ceramic capacitors cations. The input voltage range is 5.5V to 24V with a Power good pin (open-drain) programmable output voltage from 0.75V up to 7.5V. The Adaptive on-time control: device features an internal LDO and ultrasonic PSAVE Excellent transient response mode for high efficiency across the output load range. Programmable pseudo-fixed frequency during CCM Adaptive on-time control provides programmable Fault protection features: pseudo-fixed frequency operation in continuous conduc - Cycle-by-cycle current limit tion and excellent transient performance. The switching Short circuit protection frequency can be set from 200kHz to 1MHz, allowing the Over and under output voltage protection designer to reduce external LC lfi tering and minimize light Over-temperature load (standby) losses. Internal soft-start Ultrasonic power save and smart PSAVE Additional features include cycle-by-cycle current limit, Internal LDO for bias voltage soft start, input UVLO and output OV protection, and over Ultra-small lead-free 3 x 3mm, 10-Pin MLPD package temperature protection. The open-drain PGOOD pin pro- WEEE and RoHS compliant vides output status. Standby current is less than 10A when disabled. Applications The device is available in a low prolfi e, thermally enhanced Networking Equipment, Embedded Systems MLPD 3 x 3mm 10-pin package. Medical Equipment, Office Automation Instrumentation, Portable Systems Consumer Devices such as DTV and Set-top Boxes POL Converters Typical Application Circuit SC410 Enable EN PGOOD PGOOD C BST V VIN BST IN V LX OUT TON L1 C OUT C IN R R TON TOP LDO C LDO2 C FB LDO1 AGND PGND R BOT Revision 4.0 2011 Semtech Corporation 1SC410 Pin Configuration Ordering Information Device Package (1)(2) SC410MLTRT MLPD-10 3 x 3 SC410EVB Evaluation Board BST 1 10 LDO Notes: (1) Available in tape and reel only. A reel contains 3,000 devices. TOP VIEW (2) Lead-free packaging only. Device is WEEE and RoHS compliant AGND VIN 2 9 and halogen-free. 3 8 LX TON PGND 4 7 EN 5 6 PGOOD FB MLPD 3 x 3, 10 LEAD = 40C/W JA Marking Information 410 yyww xxxx yyww = Date code xxxx = Lot number 2