ADP3157JR-REEL Analog Devices Inc, ADP3157JR-REEL Datasheet - Page 4

• Manufacturer Part Number: ADP3157JR-REEL
• Description: IC CNTRL SYNC PENTIUM III 16SOIC
• Manufacturer: Analog Devices Inc

Specifications of ADP3157JR-REEL

• Rohs Status: RoHS non-compliant
• Applications: Controller, Intel Pentium® III
• Voltage - Input: 12V
• Number Of Outputs: 1
• Voltage - Output: 1.3 ~ 3.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)

ADP3157
SYSTEM
P
100k
Figure 2. Typical VRM8.2/8.3/8.4 Compliant Core DC/DC Converter Circuit
SD
C
T
2
3
4
5
6
7
8
1
6
VID1
VID2
VID3
VID4
AGND
SD
SENSE–
SENSE+
1nF
V
ADP3157
12
CC
IN
V
DRIVE1 DRIVE2 PGND
PWRGD
NONOVERLAP
T2
DRIVE1
DRIVE2
14
PGND
VID0
CMP
DRIVE
V
CROWBAR
C
CC
Q
T
S
R
CMPT
16
15
14
13
12
11
10
9
Figure 3. Functional Block Diagram
13
CONTROL
OFF-TIME
200pF
C
T
V
R1
105k
R2
18.2k
REF
CMPI
AGND
+15%
V
22 F
REF
SENSE–
5
+5%
220
220
C
3600pF
–4–
PWRGD
22
1 F
COMP
CMP
V
11
10
V
T1
REF
DELAY
IRL3803
IRL3803
–5%
SENSE+
g
m
V
REF
ESR = 25m
10BQ015
2R
1.7 H
SENSE–
L1
2200 F 3
R
(25V)
REFERENCE
R
DAC
5m
SENSE
ADP3157
1.20V
EACH
ESR = 25m
1 F
2200 F 6
1
2
3
4
1 H
(25V)
VID0
VID1
VID2
VID3
VID4
L2
EACH
V
+5V RTN
V
+12V RTN
V
1.3V TO
3.5V
0-19A
RTN
IN
CC
O
+5V
+12V
REV. A