SC1545CS Semtech Corporation, SC1545CS Datasheet
SC1545CS
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SC1545CS Summary of contents
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... LDO with Over Current Protection (OCP) ±2.5% LDO regulation over line, load and temperature Power sequencing for three supplies APPLICATIONS Instantly available motherboards Embedded systems Desktop computers ORDERING INFORMATION Part Number SC1545CS Note: (1) Add suffix ‘TR’ for tape and reel packaging. 3. 3.3V OUT IRLMS6802 ...
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PRELIMINARY - January 17, 2000 ABSOLUTE MAXIMUM RATINGS Parameter 12V Input Voltage Range 5V Input Voltage Range P-channel MOSFET Gate Drive N-channel MOSFET Gate Drive Input Pins Operating Ambient Temperature Range Operating Junction Temperature Range Storage Temperature Range Lead Temperature ...
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PRELIMINARY - January 17, 2000 ELECTRICAL CHARACTERISTICS (Cont.) Unless specified, 12VIN = 12V, 5VSTBY = 5V, C Parameter Symbol VO LDO Output Voltage LDO Output Voltage During (1) Load Transients (2) Time To Regulation Inputs (BF_CUT & SLP) Input Resistance ...
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PRELIMINARY - January 17, 2000 BLOCK DIAGRAM PIN CONFIGURATION Top View SOIC-8 © 2000 SEMTECH CORP. TM 500mA SmartLDO With Power Up Signal Sequencing PIN DESCRIPTION Pin Pin Name Pin Function 1 VO LDO 2.5V output. 2 GND Logic and ...
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PRELIMINARY - January 17, 2000 TYPICAL CHARACTERISTICS 12VIN Quiescent Current vs. Junction Temperature 1000 12VIN = 12V 900 800 700 600 500 400 300 200 100 (°C) J 5VSTBY Quiescent Current (OFF) vs. Junction ...
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PRELIMINARY - January 17, 2000 TYPICAL CHARACTERISTICS (Cont.) VDO Current Limit vs. Junction Temperature 1000 900 800 700 600 500 400 300 200 100 (°C) J TIMING DIAGRAMS Power up ...
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PRELIMINARY - January 17, 2000 TIMING DIAGRAMS (Cont.) After power up, there are two possible signal sequences that the device will see. The first sequence is with SLP staying HIGH and BF_CUT transitioning from LOW to HIGH, remaining HIGH for ...
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PRELIMINARY - January 17, 2000 OUTLINE DRAWING MINIMUM LAND PATTERN - SO-8 ECN99-694 ECN00-831 © 2000 SEMTECH CORP. TM 500mA SmartLDO With Power Up Signal Sequencing 652 MITCHELL ROAD NEWBURY PARK CA 91320 SC1545 JEDEC REF: MS-012AA 8 ...