SNVSA46B June 2014 – January 2018 LM46001
The LM46001 is in active mode when VEN is above the precision enable threshold and VCC is above its UVLO level. The simplest way to enable the LM46001 is to connect the EN pin to VIN. This allows self-start-up of the LM46001 when the input voltage is in the operation range: 3.5 V to 60 V. See Enable (ENABLE) and VCC, UVLO, and BIAS for details on setting these operating levels.
In active mode, depending on the load current, the LM46001 is in one of four modes: