Datasheet
LTC3862-1
2
38621f
ABSOLUTE MAXIMUM RATINGS
Input Supply Voltage (V
IN
) ......................... –0.3V to 40V
INTV
CC
Voltage .......................................... –0.3V to 11V
INTV
CC
LDO RMS Output Current .........................50mA
RUN Voltage ................................................ –0.3V to 8V
SYNC Voltage ............................................... –0.3V to 6V
SLOPE, PHASEMODE, D
MAX
,
BLANK Voltage ........................................... –0.3V to 3V8
SENSE1
+
, SENSE1
–
, SENSE2
+
,
SENSE2
–
Voltage ....................................... –0.3V to 3V8
(Notes 1, 2)
1
2
3
4
5
6
7
8
9
10
11
12
TOP VIEW
FE PACKAGE
24-LEAD PLASTIC TSSOP
24
23
22
21
20
19
18
17
16
15
14
13
D
MAX
SLOPE
BLANK
PHASEMODE
FREQ
SS
ITH
FB
SGND
CLKOUT
SYNC
PLLFLTR
3V8
SENSE1
+
SENSE1
–
RUN
V
IN
INTV
CC
GATE1
PGND
GATE2
NC
SENSE2
–
SENSE2
+
25
T
JMAX
= 150°C, θ
JA
= 38°C/W
EXPOSED PAD (PIN 25) IS PGND, MUST BE SOLDERED TO PCB
1
2
3
4
5
6
7
8
9
10
11
12
TOP VIEW
GN PACKAGE
24-LEAD NARROW PLASTIC SSOP
24
23
22
21
20
19
18
17
16
15
14
13
D
MAX
SLOPE
BLANK
PHASEMODE
FREQ
SS
ITH
FB
SGND
CLKOUT
SYNC
PLLFLTR
3V8
SENSE1
+
SENSE1
–
RUN
V
IN
INTV
CC
GATE1
PGND
GATE2
NC
SENSE2
–
SENSE2
+
T
JMAX
= 150°C, θ
JA
= 85°C/W
24 23 22 21 20 19
7 8 9
TOP VIEW
25
UH PACKAGE
24-LEAD (5mm s 5mm) PLASTIC QFN
10 11 12
6
5
4
3
2
1
13
14
15
16
17
18BLANK
PHASEMODE
FREQ
SS
ITH
FB
V
IN
INTV
CC
GATE1
PGND
GATE2
NC
SLOPE
DMAX
3V8
SENSE1
+
SENSE1
–
RUN
SGND
CLKOUT
SYNC
PLLFLTR
SENSE2
+
SENSE2
–
T
JMAX
= 150°C, θ
JA
= 34°C/W
EXPOSED PAD (PIN 25) IS PGND, MUST BE SOLDERED TO PCB
PIN CONFIGURATION
SS, PLLFLTR Voltage ................................. –0.3V to 3V8
ITH Voltage ............................................... –0.3V to 2.7V
FB Voltage .................................................. –0.3V to 3V8
FREQ Voltage ............................................ –0.3V to 1.5V
Operating Junction Temperature Range (Notes 3, 4)
LTC3862-1E ......................................... –40°C to 85°C
LTC3862-1I ........................................ –40°C to 125°C
LTC3862-1H ....................................... –40°C to 150°C
Storage Temperature Range ................... –65°C to 150°C
Refl ow Peak Body Temperature ........................... 260°C
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3862EFE-1#PBF LTC3862EFE-1#TRPBF LTC3862FE-1 24-Lead Plastic TSSOP –40°C to 85°C
LTC3862IFE-1#PBF LTC3862IFE-1#TRPBF LTC3862FE-1 24-Lead Plastic TSSOP –40°C to 125°C
LTC3862HFE-1#PBF LTC3862HFE-1#TRPBF LTC3862FE-1 24-Lead Plastic TSSOP –40°C to 150°C
LTC3862EGN-1#PBF LTC3862EGN-1#TRPBF LTC3862GN-1 24-Lead Plastic SSOP –40°C to 85°C
LTC3862IGN-1#PBF LTC3862IGN-1#TRPBF LTC3862GN-1 24-Lead Plastic SSOP –40°C to 125°C
LTC3862HGN-1#PBF LTC3862HGN-1#TRPBF LTC3862GN-1 24-Lead Plastic SSOP –40°C to 150°C
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