W83301R Datasheet, PDF (7/16 Pages) Winbond – ACPI-STR Controller

5. Application Circuit
Figure 3. Mode B (SDRAM Mode) Application Circuit
5VSB
Q3
MOSFET N
C1
0.1u
5V
Q2
MOSFET N
U1
16
5VDRV
15
5VDLSB
6
5VS
B
20
STRdrv1
19
STRsen1
1
STRdrv2
5VDUAL
C5
1000u
PW OK
5VDLEN
S3
(chipset) SLP_S5#
VSET1
5VSB
Connect VSET0 and VSET1 as following table
to set operation mode and output voltage
17
PW OK
10
5VDLEN
12
S3
11
S5
2
STRsen2
3
STRdrv3
14
VSET0
13
VSET1 _GN
D
5
STCRhsren3 ⁴
Pm
SS
p
C1
C2
18
7
8
9
C10
C9
0.1u
0.1u
C11
0.1u
W83301R
Preliminary
3.3Vdual
C2
0.1u
Q1
MOSFET N
5VDUAL
Q4
C4
MOSFET N
0.1u
2.5V
C3
1000u
3.3Vdual
C7
Q5
0.1u
MOSFET N
3.3V
C6
1000u
1.8V
C8
1000u
Mode
SDRAM
VSET0
5V
5V
5V
VSET1
5V
NC
0V
STR1
2.5V_DUAL
2.6V_DUAL
2.7V_DUAL
STR2
3.3V_DUAL
3.4V_DUAL
3.5V_DUAL
STR3
1.8V_DUAL
1.8V_DUAL
1.8V_DUAL
Confidential
5
Revision 0.6