ST1S12G18R STMicroelectronics, ST1S12G18R Datasheet - Page 8
ST1S12G18R
Manufacturer Part Number
ST1S12G18R
Description
IC DC-DC CONV STDN 1.8V TSOT23-5
Manufacturer
STMicroelectronics
Type
Step-Down (Buck)r
Datasheet
1.ST1S12G18R.pdf
(20 pages)
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
Quantity:
20 000
Electrical characteristics
Table 8.
1. Guaranteed by design, but not tested in production.
8/20
%V
R
%V
R
%V
%V
Symbol
PWMf
T
DSON
DSON
T
OUT
I
V
SHDN
V
I
O
SWL
HYS
I
I
I
O
O
O
EN
EN
ν
O
Q
O
IN
/ΔV
/ΔI
/ΔI
/ΔI
-N NMOS switch on resistance
-P PMOS switch on resistance
S
O
O
O
IN
Output feedback pin
V
Minimum input voltage
Quiescent current
Output current
Enable threshold
Enable pin current
Reference line regulation
Reference load regulation
PWM switching frequency
Switching current limitation
Efficiency
Thermal shutdown
Thermal shutdown hysteresis
Load transient response
Short circuit removal response
V
specified. Typical values are referred to 25 °C).
Electrical characteristics for ST1S12G18
O
IN
pin bias current
=V
EN
Parameter
(1)
= 3.6 V, C
IN
= 4.7 µF, C
T
I
V
V
V
Device ON, V
Device OFF
V
I
I
I
(1)
I
I
I
t
I
T
O
O
SW
SW
O
O
O
R
O
A
J
IN
EN
IN
IN
= 10mA to 0.7A
= 100mA to 700mA, T
= t
= 10mA to 700mA
= 10mA to 100mA
= 100mA to 0.7A
= 10mA to I
Doc ID 14314 Rev 3
=-40 to 125°C
= 25°C
=V
= 2.5V to 5.5V
= 2.5V to 5.5V
= 100mA
= 100mA
= 0, T
F
O
≥ 200ns, C
EN,
=10 µF, L = 2.2 µH, T
Test conditions
V
J
(1)
FB
= -40°C to 85°C
I
=2V
O
= 2.5V to 5.5V
= short,
O
(1)
(1)
=22µF
(1)
A
ST1S12XX, ST1S12XX12, ST1S12XX18
= 25°C
(1)
J
= -40 to 125 °C (unless otherwise
1.746
Min.
1.16
130
2.5
0.7
1.5
-10
-5
0.0025 0.005 %V
Typ.
0.05
0.25
0.25
500
150
1.8
1.7
1.6
15
80
90
15
1.854
Max.
2.08
0.45
600
+10
0.5
0.1
0.4
20
+5
1
1
%V
%V
%V
MHz
Unit
O
µA
µA
µA
µA
°C
°C
O
%
Ω
Ω
V
V
A
V
A
/ΔV
/mA
O
O
IN