Datasheet
LTC3714
28
3714f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2001
LT/TP 0602 2K • PRINTED IN USA
relaTeD parTs
Typical applicaTion
Intel Compatible Mobile Microprocessor Power Supply with Active Voltage Positioning
9
10
11
12
13
14
19
21
22
20
23
24
18
15
8
7
6
5
4
3
2
1
28
27
25
26
17
16
VID2
RUN/SS
V
ON
PGOOD
V
RNG
I
TH
SGND
I
ON
V
FB
FCB
V
OSENSE
VID3
OPOUT
OPV
IN
VID1
VID0
BOOST
TG
SW
SENSE
PGND
BG
INTV
CC
V
IN
VID4
EXTV
CC
OP
+
OP
–
IRF7811
×2
7V ≤ V
IN
≤ 24V
MBRS
340T3
L1
0.68µH
IRF7811
×3
GMUXSEL
DPRSLPVR
C
IN
10µF
35V
×4
V
OUT
0.6V TO 1.75V
23A
C
OUT
270µF
2V
×4
LTC3714
200k
0.1µF
220pF
220pF
10nF
5V
100pF
0.1µF
0.1µF
4.7µF
10V
CMDSH-3
0.22µF
1Ω
3.2k
1µF
1k
1k
INTV
CC
V
RON
3.3V
3.3V
100Ω
10k
POWER GOOD
2k
R
SENSE
0.003Ω
10k
1%
277k
1%
806k
1%
20k
200k
200k
3.3V
3.3V
INTV
CC
INTV
CC
10k
1%
806k
1%
200k
330k
200k
10k
DPSLP#
100Ω
3714 TA01
20.5k
1%
INTV
CC
+
+
200k
1%
PART NUMBER DESCRIPTION COMMENTS
LTC1778 Low Duty Cycle, No R
SENSE
™ Step-Down Controller GN-16 Package, 0.8V Reference, Burst Mode Operation
LTC3711 5-Bit Adjustable, Low Duty Cycle, No R
SENSE
,
Step-Down Controller
GN-24 Package, 5-Bit VID, 0.8V
REF
, Burst Mode Operation,
0.925V ≤ V
OUT
≤ 2V
LTC3716 Dual Phase, High Efficiency Step-Down Controller 2-Phase, 5-Bit VID (0.6V to 1.75V), Narrow 36-Pin SSOP, 3.5V ≤ V
IN
≤ 36V
LTC3778 Wide V
IN
, No R
SENSE
Step-Down Controller 4V ≤ V
IN
≤ 36V, True Current Mode Control, 1A ≤ I
OUT
≤ 20A
No R
SENSE
is a trademark of Linear Technology Corporation.