ST1S10PHR View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
ST1S10PHR Datasheet PDF : 26 Pages
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ST1S10
Typical performance characteristics
8
Typical performance characteristics
Figure 9.
Unless otherwise specified, refer to the typical application circuit under the following
conditions: TJ = 25°C, VIN = VIN-SW = VIN-A = VINH = 12 V, VSYNC = GND, VOUT = 5 V,
IOUT = 10 mA, CIN = 4.7 µF + 0.1 µF, COUT = 22 µF, L1 = 3.3 µH
Voltage feedback vs. temperature Figure 10. Oscillator frequency vs.
temperature
830
820
810
800
790
780
770
760
-50 -25
VIN=VINH=12V, VOUT=0.8V, IOUT=10mA
0
25
50
75
TEMPERATURE [°C]
100 125
1.2
1.1
1
0.9
0.8
0.7
0.6
-50 -25
VIN-A=VIN-SW=VINH=12V, VFB=0V
0
25 50 75 100
TEMPERATURE [°C]
125
Figure 11. Max duty cycle vs. temperature
Figure 12. Inhibit threshold vs. temperature
92
90
88
86
84
82
80
-50 -25
VIN-A=VIN-SW=VINH=12V, VFB=0V
0 25 50 75 100 125
TEMPERATURE [°C]
1.4
1.2
1
0.8
0.6
0.4
0.2
0
-50
VIN-A=VIN-SW=2.5V, VOUT=0.8V, IOUT=10mA
-25 0 25 50 75 100 125
TEMPERATURE [°C]
Figure 13. Reference line regulation vs.
temperature
Figure 14. Reference load regulation vs.
temperature
0.2
0.1
0
-0.1
-0.2
-50
VIN-A=VIN-SW=VINH from 2.5 to 20V, VOUT=0.8V, IOUT=10mA
-25 0
25 50 75 100 125
TEMPERATURE [°C]
1.3
1
0.7
0.4
0.1
-0.2
-0.5
-25
VIN-A=VIN-SW=VINH=12V, IOUT from 10mA to 3A
0
25
50
75 100 125
TEMPERATURE [°C]
17/26
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