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RT6254AHGJ8F Datasheet(PDF) 2 Page - Richtek Technology Corporation |
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RT6254AHGJ8F Datasheet(HTML) 2 Page - Richtek Technology Corporation |
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2 / 18 page  RT6254A/B 2 DS6254A/B-02 March 2017 www.richtek.com © Copyright 2017 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Pin No. Pin Name Pin Function TSOT-23-6 (FC) TSOT-23-8 (FC) 1 1 FB Feedback voltage input. This pin is used to set the desired output voltage via an external resistive divider. -- 3 AGND Analog ground. This is the signal ground reference for the IC. 2 2 EN Enable control input. Connecting this pin to logic high can enable the device and connecting this pin to GND can disable the device. 3 4 GND System ground. This is the power return for the IC. 4 5 VIN Power input. Supplies the power switches of the device. 5 6 LX Switch node. LX is the switching node that supplies power to the output and connect the output LC filter from LX to the output load. 6 7 BOOT Bootstrap supply for high-side gate driver. Connect a 0.1 F ceramic capacitor from LX to BOOT to power the high-side switch. -- 8 PGOOD Power good indicator. Open-drain output when the output voltage is within 90% to 120% of regulation point. Functional Pin Description Pin Configuration (TOP VIEW) TSOT-23-6 (FC) TSOT-23-8 (FC) FB EN GND BOOT LX VIN 4 23 5 6 Marking Information RT6254AHGJ6F RT6254BHGJ6F RT6254AHGJ8F RT6254BHGJ8F 2D=DNN 2D= : Product Code DNN : Date Code 2C=DNN 2C= : Product Code DNN : Date Code 1J=DNN 1J= : Product Code DNN : Date Code 1H=DNN 1H= : Product Code DNN : Date Code 5 34 6 8 2 7 |
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