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ACT511 数据表(PDF) 2 Page - Active-Semi, Inc |
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ACT511 数据表(HTML) 2 Page - Active-Semi, Inc |
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2 / 4 page ![]() ACT511 Product Brief, 05-Dec-12 Innovative Power TM - 2 - www.active-semi.com Copyright © 2012 Active-Semi, Inc. ActiveQR TM is a trademark of Active-Semi. PIN CONFIGURATION PIN DESCRIPTIONS PART NUMBER TEMPERATURE RANGE PACKAGE PINS PACKING METHOD TOP MARK ACT511US-T -40°C to 85°C SOT23-6 6 TUBE & REEL FSGT SOT23-6 ACT511US ORDERING INFORMATION PIN NAME DESCRIPTION 1 CS Current Sense Pin. Connect an external resistor (RCS) between this pin and ground to set peak current limit for the primary switch. 2 GND Ground. 3 GATE Gate Drive. Gate driver for the external MOSFET transistor. 4 VDD Power Supply. This pin provides bias power for the IC during startup and steady state operation. 5 VDET Valley Detector Pin. Connect this pin to a resistor divider network from the auxiliary winding to detect zero-crossing points for valley turn on operation. 6 FB Feedback Pin. Connect this pin to optocouplers’s collector for output regulation. |
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