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LP5990 Datasheet(PDF) 10 Page - Texas Instruments |
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LP5990 Datasheet(HTML) 10 Page - Texas Instruments |
10 / 16 page LP5990 SNVS438B – APRIL 2007 – REVISED DECEMBER 2007 www.ti.com ENABLE CONTROL The LP5990 may be switched ON or OFF by a logic input at the ENABLE pin, VEN . A high voltage at this pin will turn the device on. When the enable pin is low, the regulator output is off and the device typically consumes 3 nA. If the application does not require the shutdown feature, the VEN pin should be tied to VIN to keep the regulator output permanently on. The signal source used to drive the VEN input must be able to swing above and below the specified turn-on/off voltage thresholds listed in the Electrical Characteristics section under VIL and VIH. DSBGA MOUNTING The DSBGA package requires specific mounting techniques, which are detailed in TI Application Note AN-1112 (SNVA009). For best results during assembly, alignment ordinals on the PC board may be used to facilitate placement of the DSBGA device. DSBGA LIGHT SENSITIVITY Exposing the DSBGA device to direct light may cause incorrect operation of the device. Light sources such as halogen lamps can affect electrical performance if they are situated in proximity to the device. Light with wavelengths in the red and infra-red part of the spectrum have the most detrimental effect thus the fluorescent lighting used inside most buildings has very little effect on performance. 10 Submit Documentation Feedback Copyright © 2007, Texas Instruments Incorporated Product Folder Links: LP5990 |
Similar Part No. - LP5990_15 |
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Similar Description - LP5990_15 |
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