ZHCSH31B August 2017 – February 2018 DRV10987
The DRV10987 device has a built-in UVLO function block. The device is locked out when VCC is below VUVLO_F and is unlocked when VCC is above VUVLO_R. The hysteresis of the UVLO threshold is VUVLO_HYS. In addition to the main supply, the step-down regulator, charge pump, and 3.3-V LDO all have undervoltage lockout monitors.