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ST1S12GR Datasheet(PDF) 12 Page - STMicroelectronics

Part # ST1S12GR
Description  Synchronous rectification with enable, 0.7 A, 1.7 MHz fixed or adjustable step-down switching regulator in TSOT23-5L
PDF  20 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST1S12GR Datasheet(HTML) 12 Page - STMicroelectronics

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Typical performance characteristics
ST1S12XX, ST1S12XX12, ST1S12XX18
12/20
Doc ID 14314 Rev 3
Figure 10.
Efficiency vs. temperature
Figure 11.
Supply current vs. temperature
Figure 12.
Quiescent current vs. temperature
Figure 13.
Enable voltage vs. temperature
Figure 14.
Enable voltage vs. temperature
Figure 15.
Reference line regulation vs.
temperature
IOUT=100mA
I
OUT=700mA
0
10
20
30
40
50
60
70
80
90
100
-75
-50
-25
0
25
50
75
100
125
150
175
T [°C]
VIN=VEN=3V, VOUT=1.2V
IOUT=100mA
I
OUT=700mA
0
10
20
30
40
50
60
70
80
90
100
-75
-50
-25
0
25
50
75
100
125
150
175
T [°C]
VIN=VEN=3V, VOUT=1.2V
1
2
3
4
5
6
7
8
-75
-50
-25
0
25
50
75
100
125
150
175
T [°C]
V
IN=VEN=3V, VOUT=1.2V, No Load
1
2
3
4
5
6
7
8
-75
-50
-25
0
25
50
75
100
125
150
175
T [°C]
V
IN=VEN=3V, VOUT=1.2V, No Load
350
370
390
410
430
450
470
490
510
-75
-50
-25
0
25
50
75
100
125
150
175
T [°C]
V
IN=VEN=3.6V, VFB=0.65V, CIN=COUT=10µF, No Switching
350
370
390
410
430
450
470
490
510
-75
-50
-25
0
25
50
75
100
125
150
175
T [°C]
V
IN=VEN=3.6V, VFB=0.65V, CIN=COUT=10µF, No Switching
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
-75
-50
-25
0
25
50
75
100
125
150
175
T [°C]
ON
OFF
V
IN=2.5V, IOUT=10mA, CIN=COUT=10µF, VOUT=1.8V
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
-75
-50
-25
0
25
50
75
100
125
150
175
T [°C]
ON
OFF
V
IN=2.5V, IOUT=10mA, CIN=COUT=10µF, VOUT=1.8V
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
-75
-50
-25
0
25
50
75
100
125
150
175
T [°C]
ON
OFF
V
IN=5.5V, IOUT=10mA, CIN= COUT=10µF, VOUT=1.8V
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
-75
-50
-25
0
25
50
75
100
125
150
175
T [°C]
ON
OFF
V
IN=5.5V, IOUT=10mA, CIN= COUT=10µF, VOUT=1.8V
-0.6
-0.4
-0.2
-0
0.2
0.4
0.6
-75
-50
-25
0
25
50
75
100
125
150
175
T [°C]
VIN=VEN= 2.5V to 5.5V, CIN=COUT=10µF, IOUT=10mA, VOUT=1.8V
-0.6
-0.4
-0.2
-0
0.2
0.4
0.6
-75
-50
-25
0
25
50
75
100
125
150
175
T [°C]
VIN=VEN= 2.5V to 5.5V, CIN=COUT=10µF, IOUT=10mA, VOUT=1.8V



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