LTC3714
PI FU CTIO S
INTV
CC
(Pin 28):
Internal 5V Regulator Output. The driver
and control circuits are powered from this voltage. De-
couple this pin to power ground with a minimum of 4.7µF
tantalum or other low ESR capacitor.
FU CTIO AL DIAGRA
11 V
ON
21 I
ON
0.7V
2.4V
1
OST
V
t
ON
=
VON
(10pF)
I
ION
+
I
CMP
20k
–
1.4V
V
RNG
13
PGND
X
(0.5 TO 2)
0.7V
3.3µA
V
OSENSE
23
1
240k
Q2 Q4
Q6
1V
UV
R2
10k
5× (ALL VID PINS)
INTV
CC
2.5µA
Q3 Q1
Q5
OV
7
VID0
2
PGOOD
12
+
–
×5.3
0.8V
SS
EA
RUN
SHDN
1.2µA
0.6V
0.6V
14
I
TH
C
C1
10
RUN/SS C
SS
22
V
FB
R1
19
SGND
3714 FD
R
C
OP
+
17
OP
–
+
–
W
–
+
U
U
U
U
U
R
ON
V
IN
20 FCB
4.7V
1µA
26 EXTV
CC
27 V
IN
+
C
IN
+
–
0.6V
REF
0.6V
5V
REG
–
F
+
BOOST
6
C
B
M1
R
S
Q
FCNT
ON
TG
5
SW
4
I
REV
SWITCH
LOGIC
SENSE
3
INTV
CC
SHDN
OV
28
BG
1
+
–
L1
V
OUT
C
VCC
M2
+
C
OUT
+
–
0.54V
+
8
VID1
–
0.66V
VID
DAC
9
VID2
24
VID3
6V
25
VID4
+
–
0.4V
15
OPV
IN
+
OP AMP
18
OPOUT
16
–
19
SGND
3714f
9