Datasheet

Table Of Contents
ST1S10 Typical performance characteristics
Doc ID 13844 Rev 5 19/29
8 Typical performance characteristics
Unless otherwise specified, refer to the typical application circuit under the following
conditions: T
J
= 25°C, V
IN
= V
IN-SW
= V
IN-A
= V
INH
= 12 V, V
SYNC
= GND, V
OUT
= 5 V, I
OUT
=
10 mA, C
IN
= 4.7 µF + 0.1 µF, C
OUT
= 22 µF, L1 = 3.3 µH
Figure 9. Voltage feedback vs. temperature Figure 10. Oscillator frequency vs.
temperature
Figure 11. Max duty cycle vs. temperature Figure 12. Inhibit threshold vs. temperature
760
770
780
790
800
810
820
830
-50 -25 0 25 50 75 100 125
TEMPERATURE [°C]
V
FB
[mV]
V
IN
=V
INH
=12V, V
OUT
=0.8V, I
OUT
=10mA
760
770
780
790
800
810
820
830
-50 -25 0 25 50 75 100 125
TEMPERATURE [°C]
V
FB
[mV]
760
770
780
790
800
810
820
830
-50 -25 0 25 50 75 100 125
TEMPERATURE [°C]
V
FB
[mV]
V
IN
=V
INH
=12V, V
OUT
=0.8V, I
OUT
=10mA
0.6
0.7
0.8
0.9
1
1.1
1.2
-50 -25 0 25 50 75 100 125
TEMPERATURE [°C]
Frequency [MHz]
V
IN-A
=V
IN-SW
=V
INH
=12V, V
FB
=0V
0.6
0.7
0.8
0.9
1
1.1
1.2
-50 -25 0 25 50 75 100 125
TEMPERATURE [°C]
Frequency [MHz]
V
IN-A
=V
IN-SW
=V
INH
=12V, V
FB
=0V
80
82
84
86
88
90
92
-50 -25 0 25 50 75 100 125
TEMPERATURE [°C]
Duty Cycle [%]
V
IN-A
=V
IN-SW
=V
INH
=12V, V
FB
=0V
80
82
84
86
88
90
92
-50 -25 0 25 50 75 100 125
TEMPERATURE [°C]
Duty Cycle [%]
V
IN-A
=V
IN-SW
=V
INH
=12V, V
FB
=0V
0
0.2
0.4
0.6
0.8
1
1.2
1.4
-50 -25 0 25 50 75 100 125
TEMPERATURE [°C]
V
INH
(V)
V
IN-A
=V
IN-SW
=2.5V, V
OUT
=0.8V, I
OUT
=10mA
0
0.2
0.4
0.6
0.8
1
1.2
1.4
-50 -25 0 25 50 75 100 125
TEMPERATURE [°C]
V
INH
(V)
V
IN-A
=V
IN-SW
=2.5V, V
OUT
=0.8V, I
OUT
=10mA