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LTC3717 Datasheet, PDF (18/20 Pages) Linear Technology – Wide Operating Range, No RSENSE Step-Down Controller for DDR/QDR Memory Termination
LTC3717
TYPICAL APPLICATIO S
High Voltage Half (VIN) Power Supply
CSS
0.1µF
LTC3717
1 RUN/SS
16
BOOST
RPG
100k 2 PGOOD
15
TG
CC1
470pF
RC
20k
CC2
100pF
CON 0.01µF
R2
1M
C2
2200pF
RON
510k
3 VRNG
4 ITH
5 SGND
6 ION
7 VFB
8 VREF
14
SW
13
PGND
12
BG
11
INTVCC
10
VCC
9
EXTVCC
R1 2M
CIN: TAIYO YUDEN TMK432BJ106MM
COUT1: SANYO, OS-CON 16SP270
COUT2: TAIYO YUDEN JMK316BJ106ML
L1: TOKO 919AS-1R8N
DB
CMDSH-3
CB
0.22µF
CVCC
4.7µF
RF
1Ω
CF
0.1µF
M1
FDS6680S
L1
1.8µH
M2
FDS6680S
CIN
10µF
25V
×2
+ COUT1
270µF
16V
3717 TA02
VIN
5V TO 25V
VOUT
VIN/2
±6A
COUT2
10µF
15V
18
sn3717 3717fs