Diodes ZXBM2003 User Manual
Page 7
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Lock & FG Timing Waveform:
Lock Timing Example:
Using the equation previously described and to be
found under the C
LCK
pin description:
T
C
I
LCK
LCKC
lock
=
×
2
T
C
I
LCK
LCKC
on
=
T
C
I
LCK
LCKD
off
=
Using a value of C
LCK
= 1.0uF together with the values
of I
LCKC
and I
LCKD
to be found in the Electrical
Characteristics we can derive the following timings for
operation at 12V and 25°C.
T
=
2
1.0 F
2.8 A
lock
×
=
0 714
.
s
T
=
1.0 F
0.28 A
off
= 3 6
.
s
T =
2
1.0 F
2.8 A
on
×
=
0 36
.
s
ZXBM2001
ZXBM2002 ZXBM2003
S E M I C O N D U C T O R S
ISSUE 4 - OCTOBER 2004
7
Figure 1
TYPICAL APPLICATION (ZXBM2001) using Bipolar power transistors
Figure 2
TYPICAL APPLICATION (ZXBM2001) using MOSFET power transistors
Graph 1
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