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LM137_15 Arkusz danych(PDF) 5 Page - Texas Instruments |
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LM137_15 Arkusz danych(HTML) 5 Page - Texas Instruments |
5 / 23 page LM137, LM337-N www.ti.com SNVS778D – MAY 1999 – REVISED APRIL 2013 SCHEMATIC DIAGRAM Thermal Regulation When power is dissipated in an IC, a temperature gradient occurs across the IC chip affecting the individual IC circuit components. With an IC regulator, this gradient can be especially severe since power dissipation is large. Thermal regulation is the effect of these temperature gradients on output voltage (in percentage output change) per Watt of power change in a specified time. Thermal regulation error is independent of electrical regulation or temperature coefficient, and occurs within 5 ms to 50 ms after a change in power dissipation. Thermal regulation depends on IC layout as well as electrical design. The thermal regulation of a voltage regulator is defined as the percentage change of VOUT, per Watt, within the first 10 ms after a step of power is applied. The LM137's specification is 0.02%/W, max. Copyright © 1999–2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM137 LM337-N |
Podobny numer części - LM137_15_15 |
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Podobny opis - LM137_15_15 |
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