lx1665 Microsemi Corporation, lx1665 Datasheet - Page 9

• Manufacturer Part Number: lx1665
• Description: Dual Output Pwm Controllers With 5-bit Dac
• Manufacturer: Microsemi Corporation

VID0
VID1
VID2
VID3
VID4
VID0
VID1
VID2
VID3
VID4
FIGURE 6 — LX1664 In A Pentium / Socket 7 Single-Chip Power Supply Controller Solution (Synchronous)
0.1µF
0.1µF
C
3
C
3
FIGURE 7 — LX1664 In A Non-Synchronous / Socket 7 Power Supply Application
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
SS
INV
V
VID0
VID1
VID2
VID3
VID4
Narrow Body SOIC
D
CC_CORE
SS
INV
V
VID0
VID1
VID2
VID3
VID4
Narrow Body SOIC
CC_CORE
UAL
LX1664
16-pin
LX1664
U1
16-pin
O
P
U1
A P P L I C A T I O N I N F O R M A T I O N
UTPUT
R O D U C T I O N
BDRV
TDRV
GND
L
BDRV
V
V
TDRV
GND
DRV
C
L
CC
C1
FB
L
V
V
T
DRV
L
C
C1
CC
FB
PWM C
16
15
14
13
12
11
10
9
T
12V
16
15
14
13
12
11
10
9
12V
C
680pF
ONTROLLERS WITH
C
1µF
8
5
Q
IRL3102
C
1µF
C
680pF
5
8
1
LX1664/1664A, LX1665/65A
D
5V
A T A
5V
D
Q
IRL3102
Q
IRL3303
1
Q
IRLZ44
1
2
4
S
Q
IRLZ44
R
R
H E E T
5
6
6.3V
1500µF x3
4
L
5-B
1
, 2.5µH
6.3V
1500µF x3
R
R
5
6
L
1
IT
, 5µH
C
C
330µF
DAC
2
9
C
C
330µF
2
7
C
330µF
2.5m9
9
Supply Voltage
For I/O Chipset or GTL+ Bus
C
330µF
7
R
0.005
1
R
Supply Voltage
For I/O Chipset or GTL+ Bus
1
Supply Voltage
for CPU Core
C
6.3V, 1500µF x 3**
** Three capacitors for Pentium
Four capacitors for Pentium II
Supply Voltage
for CPU Core
1
C
6.3V, 1500µF x 3**
** Three capacitors for Pentium
Four capacitors for Pentium II
1
V
OUT
V
OUT
9