L6911C View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L6911C' PDF : 20 Pages View PDF
L6911C
Application Circuit Examples
Figure 16 reports the schematic circuit for a motherboard chipset power supply. This application works from a
single 5V power supply and is able to deliver up to 10A with a 300KHz switching frequency.
Figure 16. Motherboard chipset power supply; 2.5Vout, 10A
+5 VIN
GNDIN
CoilCraft DO3316P
10A fuse
1uH
100nF
100n
1N4148
VCC
G ND
V ID0
V ID1
V ID2
V ID3
V ID4
SS
O SC
43k
15
18
19
2
11
14
4
13
5
U1
6
17
L6911C
7
16
8
12
3
20
1
9
10
220pF
100n
O CS E T
UGATE
P H AS E
LG ATE
PGND
PGO OD
V S EN
10k
6 80pF 1 00k
5.6n 220
1n
1k
STS12NF30L
STS12NF30L
750k
2x1uF 3x220uF
ceram ic Sanyo
CoilCraft DO5022P
1 .5uH
STPS3L25U
10k
VOUTCORE
5 x 47 0uF
Sanyo TPB
GNDCORE
PWRGD
18/20
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