LTC3714_15 Datasheet, PDF (28/28 Pages) Linear Technology – Intel Compatible, Wide Operating Range, Step-Down Controller with Internal Op Amp

LTC3714
Typical Application
Intel Compatible Mobile Microprocessor Power Supply with Active Voltage Positioning
INTV_CC
3.3V VRON
3.3V
2k
POWER GOOD
100Ω
200k
1µF 1k
0.1µF
3.2k
10k
INTV_CC
200k
1%
220pF
20.5k
1%
220pF _20k
10nF
100pF
1k
200k
3.3V
INTV_CC
0.1µF
9 _VID2
VID1 ⁸
200k
10 _RUN/SS
VID0 ⁷
200k
11
V_ON
12 _PGOOD
6
BOOST
TG ⁵
0.22µF
13 _VRNG
SW ⁴
SENSE ^{3 CMDSH-3}
LTC3714
14
I_TH
2
PGND
19 _SGND
BG ¹
7V ≤ V_IN ≤ 24V
IRF7811 L1
×2
0.68µH
IRF7811
×3
R_SENSE
0.003Ω
MBRS
340T3
21
I_ON
22
V_FB
20 _FCB
23
V_OSENSE
28
INTV_CC
V_IN ²⁷
VID4 ²⁵
+
1Ω
0.1µF
4.7µF
10V
200k
3.3V
24 _VID3
EXTV_CC ²⁶
5V
18
OPOUT
OP ^{+ 17}
15
OPV_IN
OP ^{– 16}
806k 10k
1% 1%
GMUXSEL
330k
10k
1%
C_IN
10µF
35V
×4 _VOUT
0.6V TO 1.75V
23A
+
C_OUT
270µF
2V
×4
INTV_CC
3714 TA01
806k
1%
10k
277k
1%
100Ω
DPSLP#
DPRSLPVR
Related Parts
PART NUMBER DESCRIPTION
LTC1778
LTC3711
Low Duty Cycle, No R_SENSE™ Step-Down Controller
5-Bit Adjustable, Low Duty Cycle, No R_SENSE,
Step-Down Controller
LTC3716
Dual Phase, High Efficiency Step-Down Controller
LTC3778
Wide V_IN, No R_SENSE Step-Down Controller
No R_SENSE is a trademark of Linear Technology Corporation.
28 LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
COMMENTS
GN-16 Package, 0.8V Reference, Burst Mode Operation
GN-24 Package, 5-Bit VID, 0.8V_REF, Burst Mode Operation,
0.925V ≤ V_OUT ≤ 2V
2-Phase, 5-Bit VID (0.6V to 1.75V), Narrow 36-Pin SSOP, 3.5V ≤ V_IN ≤ 36V
4V ≤ V_IN ≤ 36V, True Current Mode Control, 1A ≤ I_OUT ≤ 20A
3714f
LT/TP 0602 2K • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2001