IC DC-DC CONV STDN 1.8V TSOT23-5

ST1S12G18R

Manufacturer Part NumberST1S12G18R
DescriptionIC DC-DC CONV STDN 1.8V TSOT23-5
ManufacturerSTMicroelectronics
TypeStep-Down (Buck)
ST1S12G18R datasheet
 


Specifications of ST1S12G18R

Internal Switch(s)YesSynchronous RectifierYes
Number Of Outputs1Voltage - Output1.8V
Current - Output700mAFrequency - Switching1.7MHz
Voltage - Input2.5 ~ 5.5 VOperating Temperature-40°C ~ 85°C
Mounting TypeSurface MountPackage / CaseTSOT-23-5, TSOT-5, TSOP-5
For Use With497-8220 - BOARD EVAL BASED ON ST1S12497-8219 - BOARD EVAL BASED ON ST1S12Lead Free Status / RoHS StatusLead free / RoHS Compliant
Power - Output-Other names497-6831-2
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ST1S12XX, ST1S12XX12, ST1S12XX18
1
Schematic
Figure 1.
Schematic diagram
V
Σ
V
C
SOFT START
REF1
V
IN
UVLO
SUM
V
RST
Comp
MOSFET
CONTROL
LOGIC
V
SET
OSC
SHUT DOWN
EN
FB/V
O
Doc ID 14314 Rev 3
+
I_SEN
R
sense
-
V
DRV_P
Driver
+
DMD
DMD
-
V
DRV_N
Driver
Gnd
Schematic
SW
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