JAJSN43A December 2021 – September 2022 TPS7A21
PRODUCTION DATA
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The enable pin (EN) is active high. The output is enabled when the voltage applied to EN is greater than VEN(HI) and disabled when the applied voltage is less than VEN(LOW). If external control of the output voltage is not needed, connect EN to IN. This device has a smart enable circuit to reduce quiescent current. When the voltage on the enable pin is driven above VEN(HI), the output is enabled and the smart enable internal pulldown resistor (REN(PULLDOWN)) is disconnected. When the enable pin is floating, the REN(PULLDOWN) is connected and pulls the enable pin low to disable the output. In addition to reducing quiescent current, the smart pulldown helps ensure that the logic level is correct even when EN is driven from a source that has limited current drive capability. The REN(PULLDOWN) value is listed in the Section 6.5 table.