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LTC1706-81 Datasheet(PDF) 8 Page - Linear Technology

Part No. LTC1706-81
Description  5-Bit Desktop VID Voltage Programmer
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LTC1706-81 Datasheet(HTML) 8 Page - Linear Technology

   
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LTC1706-81
170681f LT/TP 0400 4K • PRINTED IN USA
©LINEAR TECHNOLOGY CORPORATION 1999
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LTC1622
Low Voltage Step-Down Controller
8-Pin MSOP, 2V
≤ VIN ≤ 10V, 550kHz, Burst ModeTM Operation
LTC1628
Dual High Efficiency, 2-Phase Synchronous Step-Down Controller
Constant, Standby, 5V and 3.3V LDOs, 3.5V
≤ VIN ≤ 36V
LTC1629
PolyPhase
TM High Efficiency Step-Down DC/DC Controller
Expandable Up to 12 Phases, Up to 120A, Remote Sense Diff Amp
LTC1702/LTC1703 Dual High Efficiency, 2-Phase Synchronous Step-Down Controller
550kHz, 25MHz GBW, No RSENSE
TM, 2.7V
≤ VIN ≤ 7V
LTC1709
2-Phase Synchronous Step-Down Controller with 5-Bit VID
4V
≤ VIN ≤ 36V, PLL, 36-Pin SSOP, Current Mode Operation
LTC1735
High Efficiency Synchronous Step-Down Controller
Burst Mode Operation, 16-Pin Narrow SSOP, Fault Protection,
3.5V
≤ VIN ≤ 36V
LTC1736
High Efficiency Synchronous Step-Down Controller with 5-Bit VID
GN-24, Power Good, Output Fault Protection, 3.5V
≤ VIN ≤ 36V
LTC1772
SOT-23 Low Voltage Step-Down Controller
6-Pin SOT-23, 2V
≤ VIN ≤ 10V, 550kHz, Burst Mode Operation
LTC1929
2-Phase Synchronous Step-Down Controller
Current Mode Operation, IOUT Up to 40A, 3.5V ≤ VIN ≤ 36V
Burst Mode, PolyPhase and No RSENSE are trademarks of Linear Technology Corporation.
TYPICAL APPLICATION
1706-81 TA02
RUN/SS
SENSE1+
SENSE1
EAIN
PLLFLTR
PLLIN
PHASMD
ITH
SGND
VDIFFOUT
VOS
VOS
+
SENSE2
SENSE2+
RUN/SS
SENSE1+
SENSE1
EAIN
PLLFLTR
PLLIN
PHASMD
ITH
SGND
VDIFFOUT
VOS
VOS
+
SENSE2
SENSE2+
CLKOUT
TG1
SW1
BOOST1
VIN
BG1
EXTVCC
INTVCC
PGND
BG2
BOOST2
SW2
TG2
AMPMD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
VIN
12V
VOUT
1.3V TO
3.5V
70A
VID0
VID1
VID2
VID3
VID4
1
2
3
4
7
VCC
LTC1706-81
GND
9
5
10
6
M1 TO M12: FDS7760A
L1 TO L4: 1
µH SUMIDA CEPH149-IROMC
D7 TO D10: CENTROI CMDSH-3TR
COUT: KEMET T510X477M006AS
fSW: 200kHz
FB
SENSE
FROM
µP
CLKOUT
TG1
SW1
BOOST1
VIN
BG1
EXTVCC
INTVCC
PGND
BG2
BOOST2
SW2
TG2
AMPMD
10
M7
M10
M11
M8
M9
M6
M5
M4
M1
10
M2
M3
GND
150
µF, 16V
× 2
GND
150
µF, 16V
× 2
COUT
470
µF, 6.3V
× 3
COUT
470
µF, 6.3V
× 3
D3
MBRS
340T3
D2
MBRS
340T3
D1
MBRS
340T3
M12
L4
0.003
L1
L2
L3
0.003
0.003
0.003
D4
MBRS
340T3
0.47
µF
0.47
µF
5V
5V
LTC1629
LTC1629
0.47
µF
0.33
µF
0.33
µF
OPTIONAL SYNC
CLOCK IN
0.01
µF
47k
24k
10k
47pF
75k
100pF
6800pF
1000pF
1000pF
1000pF
1000pF
100pF
0.47
µF
1
µF
25V
1
µF
25V
22
µF
6.3V
22
µF
6.3V
1
µF
NC
1
µF
+
+
+
+
D9
D10
D7
D8
47k
6800pF
VID Controlled High Current 70A 4-Phase Application


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