LX1663(1999) データシートの表示（PDF） - Microsemi Corporation
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LX1663 Datasheet PDF : 15 Pages
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PRODUCT DATABOOK 1996/1997
LX1662/62A, LX1663/63A
SINGLE-CHIP PROGRAMMABLE PWM CONTROLLERS WITH 5-BIT DAC
PRODUCTION DATA SHEET
APPLICATION INFORMATION
F1
12V
20A
5V
C3
0.1µF
VID0
VID1
VID2
VID3
VID4
U1
LX1663
1 SS
2 INV
V 3
CC_CORE
4 VID0
5 VID1
6 VID2
7 VID3
8 VID4
VC1 16
TDRV 15
GND 14
BDRV 13
VCC 12
CT 11
OV 10
PWRGD 9
16-pin
Narrow Body SOIC
6.3V
C5
1µF
1500µF x3
CS
C2
Q1
IRL3102
RS
L1, 2.5µH
C8
680pF
Q2
IRL3303
6.3V, 1500µF x 3**
** Three capacitors for Pentium
Four capacitors for Pentium II
OV
PWRGD
Supply Voltage VOUT
for CPU Core
C1
FIGURE 8 — Pentium II Processor Application With OVP, Power Good And Loss-Less Current Sensing (Synchronous)
C3
0.1µF
VID0
VID1
VID2
VID3
VID4
D3
1N4148
D2
1N4148
F1 20A
12V
C9
1µF
C10
0.1µF
16V
1500µF x3
U1
LX1663
1 SS
2 INV
V 3
CC_CORE
4 VID0
VC1 16
TDRV 15
GND 14
BDRV 13
5 VID1
6 VID2
7 VID3
8 VID4
VCC 12
CT 11
OV 10
PWRGD 9
16-pin
Narrow Body SOIC
R7
10
C8, 1200pF
C10, 1µF
Q1
C2
IRL3102
L1, 2.5µH
D4
1N5817
R2
10k
Q2
IRL3303
PWRGD
R1
2.5m9
Supply Voltage VOUT
for CPU Core
Q3
SCR
2N6504
C1
6.3V, 1500µF x 3**
** Three capacitors for Pentium
Four capacitors for Pentium II
FIGURE 9 — Full-Featured Pentium II Processor Supply With 12V Power Input
10
Copyright © 1999
Rev. 1.1 11/99
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