LTC3714 Linear, LTC3714 Datasheet - Page 23

• Manufacturer Part Number: LTC3714
• Description: Wide Operating Range / Step-Down Controller with Internal Op Amp
• Manufacturer: Linear

APPLICATIO S I FOR ATIO
Solving for this resistance value:
The gain setting resistance R
resistors, R
connected from I
these resistors must equal R
R
VP
C
C
L1: SUMIDA CEP125-4712-T007
IN
OUT
: UNITED CHEMICON THCR70EIH226ZT
: PANASONIC EEFUE0D271
R
( . )( .
( . )
0.1 F
2.2nF
0 6
RNG1
10k
0 6
C
C
C
VP1
ION
SS
C1
V
( .
V
V g
1 15
0.01 F
OUT
R
90.1k
connected from I
20k
330k
R
RNG2
R
TH
1 7
C
ON
m
V
Figure 9. CPU Core Voltage Regulator with Active Voltage Positioning 1.15V/15A at 300kHz
U
to INTV
mS
)( .
I
TH
R
185k
R
23k
V
1 08
INTV
VP2
VP1
C
OUT
FB
0.1 F
)(
100pF
CC
60
U
100k
V
R
CC
PG
)
mV
VP
. The parallel combination of
VP
C
100pF
C1
and their ratio determines
)
is implemented with two
TH
10
11
12
13
14
19
21
22
20
23
24
15
16
9
W
20 3
to ground and R
VID2
RUN/SS
V
PGOOD
V
I
SGND
I
V
FCB
V
VID3
OPV
OP
TH
ON
ON
RNG
FB
OSENSE
.
–
IN
LTC3714
k
EXTV
INTV
OPOUT
BOOST
SENSE
PGND
VID1
VID0
VID4
OP
SW
U
V
TG
BG
CC
CC
IN
+
8
7
6
5
4
3
2
1
28
27
26
25
18
17
5V
VP2
C
0.33 F
C
4.7 F
B
VCC
C
0.1 F
nominal value of the I
amplifier input is zero. To set the beginning of the load line
at the regulation point, the I
correspond to zero output current. The relation between
voltage and the output current is:
CMDSH-3
F
D
I
B
1
R
TH NOM
F
(
)
0 55
.
0 5
V
12
M1
IRF7811
M2
IRF7811
R
0.003
12
.
2
RNG
SENSE
V
V
V
V
R
0 003
0.68 H
TH
SENSE OUT
.
L1
D1
UPS840
pin voltage when the error
TH
3714 F08
pin voltage must be set to
I
0
A
–
–
2
2
C
10 F
25V
C
270 F
2V
1
1
LTC3714
IN
OUT
3
3
5 4
.
I
L
A
V
7V TO 24V
V
1.15V/15A
IN
OUT
0 75
0 75
23
.
.
V
3714f
V