hv9910bng Supertex, Inc., hv9910bng Datasheet
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hv9910bng
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hv9910bng Summary of contents
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Features ► Switch mode controller for single switch LED drivers ► Enhanced drop-in replacement to the HV9910 ► Open loop peak current controller ► Internal 8.0 to 450V linear regulator ► Constant frequency or constant off-time operation ► Linear and ...
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... Y = Last Digit of Year Sealed YWW WW = Week Sealed 9910B L = Lot Number LLLL = “Green” Packaging 8-Lead SOIC (LG Last Digit of Year Sealed HV9910BNG WW = Week Sealed LLLLLLLL L = Lot Number C = Country of Origin Assembler ID* = “Green” Packaging *May be part of top marking 16-Lead SOIC (NG) = 12V, unless otherwise noted.) ...
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Electrical Characteristics Internal Regulator (cont.) Sym Description ΔV Load regulation of V DD, load DD UVLO V undervoltage lockout threshold DD ∆UVLO V undervoltage lockout hysteresis DD Current that the regulator can I IN,MAX supply before IC goes into UVLO ...
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Application Information The HV9910B is optimized to drive buck LED drivers using open-loop peak current mode control. This method of control enables fairly accurate LED current control without the need for high side current sensing or the design of any ...
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Current Sense The current sense input of the HV9910B goes to the non- inverting inputs of two comparators. The inverting terminal of one comparator is tied to an internal 250mV reference whereas the inverting terminal of the other comparator is ...
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Block Diagram VIN LD CS 250mV GND Pin Description Pin # 8-Lead SOIC 16-Lead SOIC 10, - 11, 15, 16 ...
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SOIC (Narrow Body) Package Outline (LG) 4.9x3.9mm body, 1.75mm height (max), 1.27mm pitch D 8 Note 1 (Index Area D/2 x E1/2) 1 Top View Side View Note 1: This chamfer feature is optional. If ...
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SOIC (Narrow Body) Package Outline (NG) 9.90x3.90mm body, 1.75mm height (max), 1.27mm pitch 16 Note 1 (Index Area D/2 x E1/2) 1 Top View Side View Note 1: This chamfer feature is optional ...