ltc3711 Linear Technology Corporation, ltc3711 Datasheet - Page 8

• Manufacturer Part Number: ltc3711
• Description: 5-bit Adjustable, Wide Operating Range, No Rsense? Step-down Controller
• Manufacturer: Linear Technology Corporation

FU CTIO AL DIAGRA
LTC3711
8
U
0.7V
V
RNG
5
240k
I
1.4V
0.7V
THB
+
–
U
1
1
3
t
4
ON
V
OST
0.8V
=
ON
Q3
V
I
I
VON
ION
CMP
2.4V
+
–
Q1
(10pF)
0.8V
9 I
+
Q2
20k
ON
EA
3.3 A
R
Q4
ON
–
Q6
W
R
S
+
–
7
Q
0.6V
I
I
REV
TH
1 A
Q5
R
C
1V
–
–
6 FCB
C
C1
SS
F
0.8V
+
+
4.7V
+
0.6V
SHDN
RUN
SHDN
–
FCNT
ON
OV
14 EXTV
SWITCH
LOGIC
2
RUN/SS C
CC
1.2 A 6V
UV
OV
+
–
+
–
SS
0.8V
REG
REF
5V
0.74V
0.86V
V
FB
SENSE
PGOOD
BOOST
INTV
PGND
SW
TG
BG
22
21
20
19
16
17
18
10
4
15 V
CC
+
IN
R2
10k
+
INTV
C
C
B
VCC
CC
C
DAC
VID
D
5 (ALL VID PINS)
R1
IN
B
M1
M2
V
V
8
+
IN
OSENSE
2.5 A
L1
11
23
24
12
13
3711 FD
1
SGND
VID0
VID1
VID2
VID3
VID4
C
OUT
3711f