參數(shù)資料
型號: ADP3157
廠商: Analog Devices, Inc.
英文描述: 5-Bit Programmable Synchronous Controller for Pentium III Processors
中文描述: 5位可編程同步控制器,用于奔騰III處理器
文件頁數(shù): 7/12頁
文件大小: 173K
代理商: ADP3157
REV. A
ADP3157
–4–
P
SYSTEM
R1
105k
R2
18.2k
CT
200pF
22 F
1 F
22
IRL3803
10BQ015
1 F
ESR = 25m
EACH
2200 F
3
(25V)
L2
1 H
L1
1.7 H
RSENSE
5m
ESR = 25m
EACH
2200 F
6
(25V)
VO
1.3V TO
3.5V
0-19A
RTN
220
100k
VIN +5V
+5V RTN
+12V RTN
CCOMP
3600pF
ADP3157
SENSE–
VID2
VID3
VID4
SD
AGND
VID1
SENSE+
CT
CMP
PGND
DRIVE1
PWRGD
VCC
DRIVE2
VID0
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1nF
220
VCC +12V
Figure 2. Typical VRM8.2/8.3/8.4 Compliant Core DC/DC Converter Circuit
gm
14
SD
VCC DRIVE1 DRIVE2 PGND
VREF +15%
5
AGND
PWRGD
SENSE+
DELAY
VREF +5%
VREF –5%
SENSE–
2R
ADP3157
CMPI
DAC
CMP
1.20V
VID0
1
VID1
2
VID2
3
VID3
4
VID4
VREF
VT1
CMPT
VT2
CT
SENSE–
6
REFERENCE
R
10
11
S
R
Q
OFF-TIME
CONTROL
13
12
NONOVERLAP
DRIVE
IN
CROWBAR
Figure 3. Functional Block Diagram
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