參數(shù)資料
型號: LX1664CD-TR
廠商: MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP
元件分類: 穩(wěn)壓器
英文描述: 1.5 A SWITCHING CONTROLLER, 200 kHz SWITCHING FREQ-MAX, PDSO16
封裝: ROHS COMPLIANT, PLASTIC, SOIC-16
文件頁數(shù): 2/17頁
文件大?。?/td> 395K
代理商: LX1664CD-TR
DUAL OUTPUT PWM CONTROLLERS WITH 5-BIT DAC
LX1664/64A, LX1665/65A
PRODUCT DA T ABOOK 1996/1997
Copyright 1999
Rev. 1.3a 11/04
10
P RODUCTION D ATA S HEET
FIGURE 8 — VRM 8.2 (Pentium II / Deschutes) Reference Design With Loss-Less Current Sensing
SS
TDRV
V
CC
INV
V
CC_CORE
VID0
VID1
VID2
VID3
OV
C
T
BDRV
GND
V
C1
U1
LX1665
VID3
C
5
1F
12V
R
S
V
OUT
5V
18-pin
Wide Body SOIC
Q
1
IRL3102
2.5H
6.3V, 1500F x 3
14
13
12
11
10
1
2
3
4
5
6
7
C
8
680pF
VID2
VID1
VID0
VID4
C
3
0.1F
Supply Voltage
for CPU Core
6.3V
1500F x3
VID4
L
DRV
1.5V for
GTL+ Bus Supply
8
16
15
L
FB
PWRGD
9
PWRGD
OV
17
18
Q
2
IRL3303
Q
4
IRLZ44
C
7
330F
R
5
R
6
L
1
C
2
C
1
C
9
330F
F
1 15A
5V or 3.3V
Supply
L
2
1H
** Three capacitors for Pentium
Four capacitors for Pentium II
C
S
APPLICA TION INFORMATION
FIGURE 9 — Full-Featured Pentium II Processor Supply With 12V Power Input
SS
TDRV
V
CC
INV
V
CC_CORE
VID0
VID1
VID2
VID3
OV
C
T
BDRV
GND
V
C1
U1
LX1665
VID3
C
5
R
1
V
OUT
12V
18-pin
Wide-Body SOIC
Q
1
IRL3303
2.5H
6.3V,
1500F
x
3**
14
13
12
11
10
1
2
3
4
5
6
7
C
8
1500F
VID2
VID1
VID0
VID4
C
3
0.1F
0.0025
Supply Voltage
for CPU Core
6.3V
1500F x3
**
Three
capacitors
for
Pentium
Four
capacitors
for
Pentium
II
VID4
L
DRV
Supply Voltage
For I/O Chipset or GTL+ Bus
8
16
15
L
FB
PWRGD
9
PWRGD
17
18
Q
2
IRL3102
Q
4
IRLZ44
C
7
330F
R
5
R
6
L
1
C
2
C
1
Q
3
SCR
1F
R
2, 10k
D
2
D
3
C
10
0.1F
R
7
10
1N4148
5V
D
4
1N5817
2N6504
C
9
330F
F
1 20A
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