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RT9046 Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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RT9046 Datasheet(HTML) 1 Page - Richtek Technology Corporation |
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1 / 11 page  RT9046 1 DS9046-01 April 2011 www.richtek.com Low-Dropout Linear Regulator Controller with PGOOD Indication Ordering Information Typical Application Circuit Marking Information For marking information, contact our sales representative directly or through a Richtek distributor located in your area. Note : Richtek products are : RoHS compliant and compatible with the current require- ments of IPC/JEDEC J-STD-020. Suitable for use in SnPb or Pb-free soldering processes. Function Block Diagram Pin Configurations (TOP VIEW) SOT-23-6 EN GND FB VCC DRI PGOOD 4 23 5 6 General Description The RT9046 is a low-dropout voltage regulator controller designed specifically for use with an external N-MOSFET for various applications. The controller features a 2% reference, a high current driver capability of driving a high current/low RDS(ON) N-MOSFET, programmable output voltage, a power monitor with a 0.6ms delay, internal soft- start function, under voltage protection, and chip enable for power conservation. The device is also useful in other high current applications. The RT9046 is available in a small footprint package of SOT-23-6. Features Programmable Output Voltage High Current Driver for High Current FET High Accuracy ±±±±±2% Voltage Reference Quick Line and Load Transient Response Power Good Monitor with Output Delay Internal Soft-Start Function to Reduce Inrush Current Enable Control and Under Voltage Protection Small Footprint Package SOT-23-6 RoHS Compliant and Halogen Free Applications Large-scale, Telecom Blade Systems Large-scale, Mass Storage Blade Systems High Current Systems Requiring Sequencing High Current Systems Requiring Power Management + - Reference Voltage 0.5V 0.45V 0.6ms Delay EN DRI FB VCC PGOOD GND Driver VCC VIN PGOOD VOUT COUT CIN CCC RPGOOD R1 R2 Q1 VCC DRI PGOOD RT9046 4 5 6 VOUT = 0.5x[(R1+R2)/R2] EN GND FB 1 2 3 Chip Enable RT9046 Package Type E : SOT-23-6 Lead Plating System G : Green (Halogen Free and Pb Free) |
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