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LP8900TLE-AAEC/NOPB Fiches technique(PDF) 10 Page - Texas Instruments |
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LP8900TLE-AAEC/NOPB Fiches technique(HTML) 10 Page - Texas Instruments |
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10 / 23 page ![]() 10 LP8900 SNVS542E – MAY 2008 – REVISED JUNE 2016 www.ti.com Product Folder Links: LP8900 Submit Documentation Feedback Copyright © 2008–2016, Texas Instruments Incorporated 8.4 Device Functional Modes 8.4.1 Enable (EN) The LP8900 EN pin is internally held low by a 3-M Ω resistor to GND. The Enable pin voltage must be higher than the VIH threshold to ensure that the device is fully enabled under all operating conditions. When the EN pin is pulled low, the output is off and the device typically consumes 3 nA. 8.4.2 Minimum Operating Input Voltage (VIN) The LP8900 does not include any dedicated UVLO circuitry. The LP8900 internal circuitry is not fully functional until VIN is at least 1.8 V. The output voltage is not regulated until VIN has reached at least the greater of 1.8 V or (VOUT + VDO). |
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