LTC3717 Linear, LTC3717 Datasheet - Page 7

• Manufacturer Part Number: LTC3717
• Description: Wide Operating Range / No RSENSE Step-Down Controller for DDR/QDR Memory Termination
• Manufacturer: Linear

FU CTIO AL DIAGRA
U
V
V
REF
RNG
3
8
240k
1.4V
0.7V
1
t
I
ON
THB
=
U
I
0.7V
CMP
80k
I
ION
6 I
+
–
Q1
(10pF)
ON
+
20k
Q2
40k
EA
5.7 A
R
ON
–
R
S
+
–
4
Q
I
W
REV
0.6V
I
TH
Q5
R
C
–
C
INTV
C1
SS
CC
+
4.7V
+
V
REF
4
SHDN
RUN
SHDN
–
FCNT
ON
OV
9 EXTV
SWITCH
LOGIC
1
RUN/SS C
CC
1.2 A
UV
OV
6V
+
–
+
–
SS
1.192V
BNGP
REG
5V
10
11
30
3
V
V
PGOOD
BOOST
INTV
PGND
REF
REF
SW
BG
TG
16
15
14
11
12
13
2
10 V
CC
CC
D
B
+
C
C
B
VCC
C
IN
M1
M2
V
+
IN
L1
LTC3717
20k
40k
C
OUT
7
5
3717 FD
sn3717 3717fs
V
SGND
V
FB
OUT
7