ST1S12G18R STMicroelectronics, ST1S12G18R Datasheet - Page 12

IC DC-DC CONV STDN 1.8V TSOT23-5

ST1S12G18R

Manufacturer Part Number
ST1S12G18R
Description
IC DC-DC CONV STDN 1.8V TSOT23-5
Manufacturer
STMicroelectronics
Type
Step-Down (Buck)r
Datasheet

Specifications of ST1S12G18R

Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
1
Voltage - Output
1.8V
Current - Output
700mA
Frequency - Switching
1.7MHz
Voltage - Input
2.5 ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
TSOT-23-5, TSOT-5, TSOP-5
For Use With
497-8220 - BOARD EVAL BASED ON ST1S12497-8219 - BOARD EVAL BASED ON ST1S12
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
497-6831-2

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ST1S12G18R
Manufacturer:
ST
0
Part Number:
ST1S12G18R
Manufacturer:
ST
Quantity:
20 000
Part Number:
ST1S12G18R TEL:88834448
Manufacturer:
ST
0
Typical performance characteristics
12/20
Figure 10. Efficiency vs. temperature
Figure 12. Quiescent current vs. temperature
Figure 14. Enable voltage vs. temperature
100
100
510
510
490
490
470
470
450
450
430
430
410
410
390
390
370
370
350
350
90
90
80
80
70
70
60
60
50
50
40
40
30
30
20
20
10
10
1.8
1.8
1.6
1.6
1.4
1.4
1.2
1.2
0.8
0.8
0.6
0.6
0.4
0.4
0.2
0.2
0
0
1
1
0
0
-75
-75
-75
-75
-75
-75
-50
-50
-50
-50
-50
-50
V
V
V
V
V
V
IN
IN
-25
-25
IN
IN
IN
IN
-25
-25
=V
=V
-25
-25
=V
=V
=5.5V, I
=5.5V, I
EN
EN
EN
EN
=3V, V
=3V, V
=3.6V, V
=3.6V, V
0
0
0
0
0
0
OUT
OUT
OUT
OUT
=10mA, C
=10mA, C
=1.2V
=1.2V
25
25
25
25
25
25
FB
FB
=0.65V, C
=0.65V, C
T [°C]
T [°C]
T [°C]
T [°C]
T [°C]
T [°C]
50
50
50
50
50
50
IN
IN
= C
= C
IN
IN
OUT
OUT
=C
=C
75
75
75
75
75
75
=10µF, V
=10µF, V
OUT
OUT
=10µF, No Switching
=10µF, No Switching
100
100
100
100
100
100
I
I
I
I
OUT
OUT
OUT
OUT
OUT
OUT
=700mA
=700mA
=1.8V
=1.8V
=100mA
=100mA
125
125
125
125
125
125
Doc ID 14314 Rev 3
150
150
150
150
150
150
ON
ON
OFF
OFF
175
175
175
175
175
175
Figure 11. Supply current vs. temperature
Figure 13. Enable voltage vs. temperature
Figure 15. Reference line regulation vs.
-0.2
-0.2
-0.4
-0.4
-0.6
-0.6
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
1.8
1.8
1.6
1.6
1.4
1.4
1.2
1.2
0.8
0.8
0.6
0.6
0.4
0.4
0.2
0.2
0.6
0.6
0.4
0.4
0.2
0.2
-75
-75
-0
-0
1
1
0
0
-75
-75
-75
-75
-50
-50
V
V
-50
-50
-50
-50
IN
IN
ST1S12XX, ST1S12XX12, ST1S12XX18
=2.5V, I
=2.5V, I
V
V
IN
IN
-25
-25
temperature
=V
=V
-25
-25
-25
-25
V
V
EN
EN
OUT
OUT
IN
IN
= 2.5V to 5.5V, C
= 2.5V to 5.5V, C
=V
=V
=10mA, C
=10mA, C
0
0
EN
EN
0
0
0
0
=3V, V
=3V, V
25
25
25
25
25
25
IN
IN
OUT
OUT
=C
=C
T [°C]
T [°C]
=1.2V, No Load
=1.2V, No Load
OUT
OUT
T [°C]
T [°C]
T [°C]
T [°C]
IN
IN
50
50
50
50
=C
=C
50
50
=10µF, V
=10µF, V
OUT
OUT
=10µF, I
=10µF, I
75
75
75
75
75
75
OUT
OUT
100
100
=1.8V
=1.8V
100
100
100
100
OUT
OUT
=10mA, V
=10mA, V
125
125
125
125
125
125
OUT
OUT
150
150
150
150
150
150
ON
ON
OFF
OFF
=1.8V
=1.8V
175
175
175
175
175
175

Related parts for ST1S12G18R