Datasheet

Data Sheet 4 Rev. 2.51, 2012-01-20
TLE 4267
Inhibit: E2 Enable function, active High
Hold: E6 Hold and release function, active Low
Table 1 Truth Table for Turn-ON/Turn-OFF Logic
E2,
Inhibit
E6,
Hold
V
Q
Remarks
L X OFF Initial state, Inhibit internally pulled-up
H X ON Regulator switched on via Inhibit, by ignition for example
H L ON Hold clamped active to ground by controller while Inhibit is still
high
X L ON Previous state remains, even ignition is shut off: self-holding
state
L L ON Ignition shut off while regulator is in self-holding state
L H OFF Regulator shut down by releasing of Hold while Inhibit remains
Low, final state. No active clamping required by external self-
holding circuit (μC) to keep regulator in off-state.