lx1663 Microsemi Corporation, lx1663 Datasheet - Page 9

• Manufacturer Part Number: lx1663
• Description: Single-chip Programmable Controllers With 5-bit
• Manufacturer: Microsemi Corporation

VID0
VID1
VID2
VID3
VID4
VID0
VID1
VID2
VID3
VID4
0.1µF
C
0.1µF
FIGURE 6 — LX1662 In A Pentium / Pentium II Processor Single Chip Power Supply Controller
3
FIGURE 7 — LX1662 In A Non-Synchronous Pentium / Socket 7 Power Supply Application
C
3
14-pin, Narrow Body SOIC
1
2
3
4
5
6
7
SS
INV
V
VID0
VID1
VID2
VID3
14-pin, Narrow Body SOIC
1
2
3
4
5
6
7
CC_CORE
SS
INV
V
VID0
VID1
VID2
VID3
CC_CORE
Solution With Loss-Less Current Sensing (Synchronous)
LX1662
U1
LX1662
U1
BDRV
TDRV
GND
VID4
V
V
BDRV
TDRV
C
GND
VID4
C1
CC
T
V
V
C
CC
14
13
12
11
10
9
8
C1
T
12V
14
13
12
11
10
9
8
12V
C
1µF
C
680pF
5
C
1µF
8
5
MBR2535
C
680pF
LX1662/62A, LX1663/63A
8
1µH
L
2
5V
D
** Three capacitors for Pentium
1
Q
IRL3102
Q
IRL3303
5V
Four capacitors for Pentium II
1500µF x3
1
2
Q
IRL3102
6.3V
6.3V
1500µF x3
1
L
1
C
, 5µH
** Three capacitors for Pentium
2
6.3V, 1500µF x 3**
Four capacitors for Pentium II
6.3V, 1500µF x 3**
C
2
R
S
L
1
, 2.5µH
C
S
0.005
R
1
Supply Voltage
for CPU Core
C
Supply Voltage
for CPU Core
1
C
1
V
OUT
V
OUT
9