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Part Name
Description
ADP3152 View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
ADP3152
5-Bit Programmable Synchronous Switching Regulator Controller for Pentium® II Processor
Analog Devices
ADP3152 Datasheet PDF : 12 Pages
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ADP3152
â®
P
SYSTEM
100k
â€
ADP3152
1
VID1
16
VID0
2
VID2
15
PGND
3
VID3
14
DRIVE1
4
VID4
13
DRIVE2
5
AGND
V
CC
12
6
SD
PWRGD
11
7
SENSE–
10
CMP
8
SENSE+
9
C
T
C
T
150pF
1nF
22
â€
+
22
â®
F
1
â®
F
IRL3103
IRL3103
3
Ø‹
2700
â®
F/10V
L2
1.7
â®
H
+ +++
1
â®
F
V
CC
+ 12V
V
IN
+ 5V
+5V RTN
+12V RTN
L1
2.5
â®
H
R
SENSE
6.7m
â€
10BQ015
2700
â®
F
Ø‹
6 (10V)
++++++
V
O
1.8V–3.5V
0-14A
R1
150k
â€
R2
39k
â€
2nF
C
COMP
RTN
220
â€
220
â€
Figure 2. Typical Application for Pentium II
SD
6
V
CC
DRIVE1 DRIVE2 PGND AGND PWRGD
12
14
13
15
5
11
SENSE+ SENSE–
8
7
V
REF
+ 15%
DELAY
ADP3152
NONOVERLAP
DRIVE
CROWBAR
IN
S
Q
R
V
T2
CMPT
V
REF
+ 5% V
REF
– 5%
CMPI
V
T1
g
m
REFERENCE
2R
1.20V
16
VID0
1
VID1
V
REF
R
2
VID2
3
VID3
OFF-TIME
CONTROL
SENSE–
DAC
4
VID4
9
10
C
T
CMP
Figure 3. Functional Block Diagram
–4–
REV. 0
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