LTC1706EMS-81 查看數據表（PDF） - Linear Technology
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LTC1706EMS-81 Datasheet PDF : 8 Pages
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LTC1706-81
TYPICAL APPLICATION
OPTIONAL SYNC
CLOCK IN
FROM
µP
1 VID0
2
VID1
5
VCC
6
SENSE
3 VID2 LTC1706-81
4 VID3
7 VID4
GND
9
10
FB
M1 TO M12: FDS7760A
L1 TO L4: 1µH SUMIDA CEPH149-IROMC
D7 TO D10: CENTROI CMDSH-3TR
COUT: KEMET T510X477M006AS
fSW: 200kHz
VID Controlled High Current 70A 4-Phase Application
0.33µF
0.33µF
100pF
47k
1
RUN/SS
28
CLKOUT
2 SENSE1+
27
TG1
3 SENSE1–
26
SW1
1000pF 4
EAIN
25
BOOST1
5
PLLFLTR
6
PLLIN
24
VIN
23
BG1
6800pF
7
PHASMD
8
ITH
LTC1629
9
SGND
22
EXTVCC
21
INTVCC
20
PGND
10
VDIFFOUT
19
BG2
11 VOS–
18
BOOST2
12
1000pF 13
VOS+
SENSE2–
17
SW2
16
TG2
14 SENSE2+
15
AMPMD
24k 75k
L1
5V
0.003Ω
0.47µF
10Ω
1µF
M1
M2
1µF
150µF, 16V
D7
25V
22µF
×2
D8
6.3V +
GND
D1
MBRS
M3
340T3
COUT
470µF, 6.3V
×3
0.47µF
M4
D2
MBRS
M5
M6
340T3
0.003Ω
L2
VOUT
1.3V TO
3.5V
70A
47pF
0.01µF
47k
1
RUN/SS
28
CLKOUT
2 SENSE1+
27
TG1
3 SENSE1–
26
SW1
1000pF 4
EAIN
10k
5
PLLFLTR
6
PLLIN
25
BOOST1
24
VIN
23
BG1
6800pF
100pF
7
22
PHASMD
EXTVCC
8
LTC1629
21
ITH
INTVCC
9
20
SGND
PGND
10
NC
11
12
1000pF 13
VDIFFOUT
VOS–
VOS+
SENSE2–
19
BG2
18
BOOST2
17
SW2
16
TG2
14 SENSE2+
15
AMPMD
L3
5V
0.003Ω
0.47µF
10Ω
M7
M8
M9
1µF
1µF
D9
25V
D10
22µF
6.3V
150µF, 16V
×2
+
GND
0.47µF
M10
M11 M12
L4
D3
MBRS
340T3
COUT
470µF, 6.3V
×3
VIN
12V
D4
MBRS
340T3
0.003Ω
1706-81 TA02
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Burst Mode, PolyPhase and No RSENSE are trademarks of Linear Technology Corporation.
8
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com
170681f LT/TP 0400 4K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1999
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