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LTC3865-1 Datasheet(PDF) 2 Page - Linear Technology

Part # LTC3865-1
Description  Dual, 2-Phase Synchronous DC/DC Controller with Pin Selectable Outputs
PDF  36 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3865-1 Datasheet(HTML) 2 Page - Linear Technology

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LTC3865/LTC3865-1

3865f
Input Supply Voltage (VIN)......................... –0.3V to 40V
Topside Driver Voltages
BOOST1, BOOST2.................................. –0.3V to 46V
Switch Voltage (SW1, SW2) ......................... –5V to 40V
INTVCC, RUN1, RUN2, PGOOD(s), EXTVCC,
(BOOST1-SW1), (BOOST2-SW2)................. –0.3V to 6V
SENSE1+, SENSE2+, SENSE1–, SENSE2–
VOSENSE1, VOSENSE2 Voltages.................... –0.3V to 5.8V
MODE/PLLIN, ILIM, TK/SS1, TK/SS2, VID11,
VID12, VID21, VID22, FREQ Voltages... –0.3V to INTVCC
(Note 1)
absoluTe MaxiMuM raTings
LTC3865
LTC3865
32 31 30 29 28 27 26 25
9 10 11 12
TOP VIEW
33
SGND
UH PACKAGE
32-LEAD (5mm 5mm) PLASTIC QFN
13 14 15 16
17
18
19
20
21
22
23
24
8
7
6
5
4
3
2
1
VOSENSE1
TK/SS1
ITH1
VID11
VID12
ITH2
TK/SS2
VOSENSE2
BOOST1
BG1
VIN
INTVCC
EXTVCC
BG2
PGND
BOOST2
TJMAX = 125°C, θJA = 34°C/W, θJC = 3°C/W
EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
TOP VIEW
FE PACKAGE
38-LEAD PLASTIC TSSOP
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
RUN1
SENSE1+
SENSE–
NC
VOSENSE1
TK/SS1
ITH1
SGND
VID11
VID12
ITH2
TK/SS2
VOSENSE2
NC
SENSE2–
SENSE2+
RUN2
VID21
ILIM
FREQ
VID22
MODE/PLLIN
SW1
TG1
BOOST1
PGND1
BG1
VIN
INTVCC
EXTVCC
BG2
PGND2
BOOST2
NC
TG2
SW2
PGOOD1
PGOOD2
39
SGND
TJMAX = 125°C, θJA = 28°C/W
EXPOSED PAD (PIN 39) IS SGND, MUST BE SOLDERED TO PCB
pin conFiguraTion
ITH1, ITH2 Voltages.................................... –0.3V to 2.7V
INTVCC DC Output Current .....................................80mA
Operating Junction Temperature Range (Notes 2, 3)
LTC3865/LTC3865-1 .......................... –40°C to 125°C
Storage Temperature Range................... –65°C to 125°C
Lead Temperature (Soldering, 10 sec)
FE Package ....................................................... 300°C



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