LTC3717 Datasheet, PDF (7/20 Pages) Linear Technology – Wide Operating Range, No RSENSE Step-Down Controller for DDR/QDR Memory Termination

W
FU CTIO AL DIAGRA
LTC3717
R_ON
6 I_ON
t_ON =
0.7V
I_ION
(10pF)
R
SQ
INTV_CC
20k
+
I_CMP
I_REV
–
1.4V
V_RNG
3
×
0.7V
5.7µA
9 EXTV_CC
4.7V
+–
FCNT
ON
SWITCH
LOGIC
SHDN
OV
V_IN
10 V_CC
+
C_IN
1.192V
BNGP
5V
REG
BOOST
16
TG
C_B
15
SW
14
INTV_CC
11
BG
12
D_B
C_VCC
PGND
13
PGOOD
2
M1
L1
V_OUT
+
M2
C_OUT
1
240k
Q2
I_THB
Q1
EA
V_REF
80k
40k
8
Q5
SS
–+
0.6V
4 I_{TH RC} ^CC1
3
10 ^VREF
UV
RUN
SHDN
OV
11
30
V_REF
1.2µA
V_REF
4
6V
1 RUN/SS ^CSS
7 V_FB
20k
40k
5 SGND
3717 FD
sn3717 3717fs
7