參數(shù)資料
型號(hào): LX1663CN
元件分類: 穩(wěn)壓器
英文描述: 1.5 A SWITCHING CONTROLLER, 200 kHz SWITCHING FREQ-MAX, PDIP16
封裝: PLASTIC, DIP-16
文件頁(yè)數(shù): 15/15頁(yè)
文件大?。?/td> 308K
代理商: LX1663CN
SINGLE-CHIP PROGRAMMABLE PWM CONTROLLERS WITH 5-BIT DAC
LX1662/62A, LX1663/63A
PRODUCT DA T ABOOK 1996/1997
9
Copyright 1999
Rev. 1.1 11/99
P RODUCTION D ATA S HEET
APPLICA TION INFORMATION
FIGURE 6 — LX1662 In A Pentium / Pentium II Processor Single Chip Power Supply Controller
Solution With Loss-Less Current Sensing (Synchronous)
SS
TDRV
V
CC
INV
V
CC_CORE
VID0
VID1
VID2
VID3
VID4
C
T
BDRV
GND
V
C1
U1
LX1662
VID3
C
5
1F
12V
R
S
V
OUT
5V
14-pin, Narrow Body SOIC
Q
1
IRL3102
L
1, 2.5H
6.3V, 1500F x 3**
14
13
12
11
10
9
1
2
3
4
5
6
7
8
C
8
680pF
VID2
VID1
VID0
VID4
C
3
0.1F
Supply Voltage
for CPU Core
6.3V
1500F x3
** Three capacitors for Pentium
Four capacitors for Pentium II
Q
2
IRL3303
C
1
C
2
C
S
L
2
1H
FIGURE 7 — LX1662 In A Non-Synchronous Pentium / Socket 7 Power Supply Application
SS
TDRV
V
CC
INV
V
CC_CORE
VID0
VID1
VID2
VID3
VID4
C
T
BDRV
GND
V
C1
U1
LX1662
VID3
C
5
1F
12V
R
1
V
OUT
5V
14-pin, Narrow Body SOIC
Q
1
IRL3102
L
1, 5H
6.3V, 1500F x 3**
14
13
12
11
10
9
1
2
3
4
5
6
7
8
C
8
680pF
VID2
VID1
VID0
VID4
C
3
0.1F
0.005
Supply Voltage
for CPU Core
6.3V
1500F x3
** Three capacitors for Pentium
Four capacitors for Pentium II
C
2
C
1
D
1
MBR2535
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