Datasheet

Table Of Contents
ST1S10 Application information
Doc ID 13844 Rev 5 15/29
(*) see OCP and SCP descriptions for C2 and C4 selection.
Figure 3. Application schematic for heavy capacitive load
ST1S10
12V
L1
3.3µH
C1
10µF
SW
FB
VIN_SW
SYNC
EN
R1
R2
VIN_A
AGND
PGND
C3
4.F
C2(*)
22µF
5V 3A
C4 (*)
4.7nF
C
LOAD
LOAD
Output Load
ST1S10
12V
L1
3.3µH
C1
10µF
SW
FB
VIN_SW
SYNC
EN
R1
R2
VIN_A
AGND
PGND
C3
4.F
C2(*)
22µF
5V 3A5V 3A
C4 (*)
4.7nF
C
LOAD
C
LOAD
LOAD
Output Load
Figure 4. Application schematic for low output voltage (V
OUT
< 2.5 V) and 2.5 V < V
IN
< 8 V
ST1S10
VIN<8V
L1
2.2µH
C1
10µF
SW
FB
VIN_SW
SYNC
EN
R1
R2
VIN_A
AGND
PGND
C3
0.1µF
C2
2x22µF
0.8V<VOUT<2.5V
ST1S10
VIN<8V
L1
2.2µH
C1
10µF
SW
FB
VIN_SW
SYNC
EN
R1
R2
VIN_A
AGND
PGND
C3
0.1µF
C2
2x22µF
0.8V<VOUT<2.5V
Figure 5. Application schematic for low output voltage (V
OUT
< 2.5 V) and 8 V < V
IN
< 16 V
ST1S10
8V<VIN<16V
L1
2.2µH
C1
10µF
SW
FB
VIN_SW
SYNC
EN
R1
R2
VIN_A
AGND
PGND
C3
4.7µF
C2
2x22µF
0.8V<VOUT<2.5V
+
C5
10F
Electrolytic
ESR<0.1Ohm
ST1S10
8V<VIN<16V
L1
2.2µH
C1
10µF
SW
FB
VIN_SW
SYNC
EN
R1
R2
VIN_A
AGND
PGND
C3
4.7µF
C2
2x22µF
0.8V<VOUT<2.5V
+
C5
10F
Electrolytic
ESR<0.1Ohm