LX1665 データシートの表示（PDF） - Microsemi Corporation
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LX1665 Datasheet PDF : 17 Pages
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PRODUCT DATABOOK 1996/1997
LX1664/1664A, LX1665/65A
DUAL OUTPUT PWM CONTROLLERS WITH 5-BIT DAC
PRODUCTION DATA SHEET
APPLICATION INFORMATION
C3
0.1µF
VID0
VID1
VID2
VID3
VID4
12V
U1
LX1664
1 SS
2 INV
VC1 16
TDRV 15
V 3
CC_CORE
4 VID0
GND 14
BDRV 13
5 VID1
6 VID2
7 VID3
8 VID4
VCC 12
CT 11
LDRV 10
LFB 9
16-pin
Narrow Body SOIC
5V
C5
1µF
C8
680pF
6.3V
1500µF x3
Q1
IRL3102
C2
L1, 2.5µH
Q2
IRL3303
Q4
IRLZ44
R5
R6
R1
2.5m9
C9
330µF
Supply Voltage
for CPU Core
VOUT
C1
6.3V, 1500µF x 3**
** Three capacitors for Pentium
Four capacitors for Pentium II
Supply Voltage
For I/O Chipset or GTL+ Bus
C7
330µF
FIGURE 6 — LX1664 In A Pentium / Socket 7 Single-Chip Power Supply Controller Solution (Synchronous)
C3
0.1µF
VID0
VID1
VID2
VID3
VID4
12V
U1
LX1664
1 SS
2 INV
VC1 16
TDRV 15
V 3
CC_CORE
4 VID0
GND 14
BDRV 13
5 VID1
6 VID2
7 VID3
8 VID4
VCC 12
CT 11
LDRV 10
LFB 9
16-pin
Narrow Body SOIC
5V
C5
1µF
6.3V
1500µF x3
C2
Q1
IRL3102
D1
C8
680pF
Q4
IRLZ44
R5
L1, 5µH
R1
0.005
Supply Voltage
for CPU Core
C9
330µF
VOUT
C1
6.3V, 1500µF x 3**
** Three capacitors for Pentium
Four capacitors for Pentium II
Supply Voltage
For I/O Chipset or GTL+ Bus
C7
330µF
R6
FIGURE 7 — LX1664 In A Non-Synchronous / Socket 7 Power Supply Application
Copyright © 1999
Rev. 1.2 11/99
9
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