ZXLD381FHTA Diodes Zetex, ZXLD381FHTA Datasheet
ZXLD381FHTA
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ZXLD381FHTA Summary of contents
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Summary The ZXLD381 is a single cell LED driver designed for applications where step-up voltage conversion from a very low input voltage is required. These applications mainly operate from 1.5V or 1.2V cells. The IC generates constant current pulses that ...
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Block Diagram 1.5V Pin Description Pin No. Name 1 GND Ground 2 Switch output external inductor/LED V OUT 3 Supply voltage, generally Alkaline, NiMH or NiCd single cell V CC ZXLD381 Document number: DS32188 Rev Diodes Incorporated ...
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Absolute Maximum Ratings Parameter Supply Voltage ( Output Voltage (V ) OUT Supply Current Output Switch Current Power Dissipation SOT23-3 Power Dissipation Die Operating Temperature Range Storage Temperature Range Electrical Characteristics Measured at T Parameter Supply Voltage Operating ...
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Device Description The ZXLD381 is a simple PFM, DC-DC controller combined with a high performance internal switching transistor, enabling the production of a high efficiency boost converter for use in single cell applications. A block diagram is shown for the ...
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Typical Characteristics 100 0.8 1.4 1 1 vs. V for L = 2.2µH to 47µH O UT(AVERA GE) CC 350 300 2.2µH 250 3.3µH 200 4.7µH ...
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Typical Characteristics (Cont.) 450 400 350 300 250 200 150 100 50 0 0.8 1 1.2 1 vs. V for L = 47µH OSC CC Notes 3.5V for all graphs LED ZXLD381 Document ...
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Application Examples Standard Operating Mode Notes 3.5V LED Low Ripple LED Current Mode Notes 3.5V ZHCS1000 (low ESR) LED ZXLD381 Document number: DS32188 Rev Product Line of ...
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... Ordering Information Part Number Package ZXLD381FHTA SOT23 Package Outline Dimensions leads Millimeters Dim. Min. Max. Min 1.12 A1 0.01 0.10 0.0004 b 0.30 0.50 0.012 c 0.085 0.20 0.003 D 2.80 3.04 0.110 e 0.95 NOM ZXLD381 Document number: DS32188 Rev Part Mark 381 Inches Millimeters Dim ...
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DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY ...