LTC3810EG LINER [Linear Technology], LTC3810EG Datasheet - Page 11

• Manufacturer Part Number: LTC3810EG
• Description: 100V Current Mode Synchronous Switching Regulator Controller
• Manufacturer: LINER [Linear Technology]

FUNCTIONAL DIAGRAM
V
C
IN
C2
V
IN
R
R
R
UV1
UV2
ON
MODE/SYNC
PLL/LPF
0.8V
UVIN
V
R
V
I
I
14
10
ON
RNG
TH
C
7
ON
4
1
5
8
C
C1
1.4V
0.7V
+
–
F
t
I
ON
CMP
2.6V
=
–
+
+
–
V
PLL-SYNC
I
VON
ION
V
×
IN
FOLDBACK
(76pF)
UV
0.8V
+ +
20k
I
TH
REG
5V
EA
’
INTV
R
S Q
–
FAULT
+
–
CC
FB
OVERTEMP
0.8V
REF
1.4μA
100nA
I
SENSE
REV
4V
INTV
EXTV
UV
11
CC
–
+
SS/TRACK
CC
1.5V
INTV
270μA
MODE
LOGIC
+
N
TIMEOUT
DRV
–
LOGIC
SHDN
RUN
CC
6.2V
12V
DRV OFF
INTV
–
13
SHDN
CC
+
10V
SHDN
FCNT
ON
OV
+
–
ON
OFF
SWITCH
LOGIC
UV
OV
+
+
+
–
+
–
–
–
200μA
10V
0.72V
0.88V
6.7V
SENSE
SENSE
BOOST
BGRTN
INTV
EXTV
DRV
PGOOD
SGND
NDRV
SW
V
BG
15
17
16
28
TG
27
26
25
18
19
20
21
12
6
9
FB
D
CC
CC
CC
B
–
+
C
C
B
VCC
LTC3810
V
V
IN
IN
M3
M1
M2
+
+
+
L1
C
C
IN
OUT
11
R
R
V
FB2
3810 FD
FB1
OUT
3810fb