Datasheet

Data Sheet 21 Rev. 2.0, 2004-10-01
TCA 3727
Figure 12 Phase Reversal and Inhibit
Inhibit
Oscillator
High Imped.
Oscillator
High Imped.
Phase 1
Phase Changeover
High
Impedance
High
Impedance
High
Impe-
dance
Slow Current Decay
Fast Current Decay
IED01178
Ι
GND
V
Osc
2.3 V
1.3 V
0
L
L
Ι
N
0
t
V
Q11
satl
V
Fu
V
V
satu C
satu D
V
Fl
V
S
V
+
Phase 1
Ι
Fast
Current
Decay by
Inhibit
Slow
Current Decay
Operating Conditions:
V
S
= 40 V
V
= 5 V
Ι
phase 1
L
phase 1
R
Ι
1X
= 20
= L;
V
+
S
Q12
V
= 10 mH
Ω
1X
Ι
= H
t
t
t
t
t
t