JAJST03A August 2024 – September 2024 TPS7A20U
PRODUCTION DATA
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An internal pulldown MOSFET connects a resistor from OUT to ground when the device is disabled to actively discharge the output capacitance. The active discharge circuit is activated by driving EN low or by the voltage on IN falling below the undervoltage lockout (UVLO) threshold.
Do not rely on the active discharge circuit for discharging a large amount of output capacitance after the input supply has collapsed. Reverse current potentially flows from the output to the input. This reverse current flow potentially causes damage to the device. Limit reverse current to no more than 5% of the device rated current for a short period of time.