LTC3865IFE#PBF Linear Technology, LTC3865IFE#PBF Datasheet - Page 2

• Manufacturer Part Number: LTC3865IFE#PBF
• Description: IC BUCK SYNC ADJ DUAL 38TSSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC3865IFE#PBF

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.6 ~ 5 V
• Frequency - Switching: 250kHz ~ 770kHz
• Voltage - Input: 4.5 ~ 38 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 38-TSSOP Exposed Pad, 38-eTSSOP, 38-HTSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Power - Output: -

ABSOLUTE MAXIMUM RATINGS
LTC3865/LTC3865-1
Input Supply Voltage (V
Topside Driver Voltages
Switch Voltage (SW1, SW2) ......................... –5V to 40V
INTV
(BOOST1-SW1), (BOOST2-SW2) ................. –0.3V to 6V
SENSE1
V
MODE/PLLIN, I
VID12, VID21, VID22, FREQ Voltages ... –0.3V to INTV
PIN CONFIGURATION
2
LTC3865
OSENSE1
BOOST1, BOOST2 .................................. –0.3V to 46V
CC
, RUN1, RUN2, PGOOD(s), EXTV
+
V
V
, SENSE2
, V
OSENSE1
OSENSE2
EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB
TK/SS1
TK/SS2
VID11
VID12
OSENSE2
I
I
TH1
TH2
LIM
1
2
3
4
5
6
7
8
T
32-LEAD (5mm 5mm) PLASTIC QFN
JMAX
, TK/SS1, TK/SS2, VID11,
32 31 30 29 28 27 26 25
+
9 10 11 12
, SENSE1
Voltages .................... –0.3V to 5.8V
= 125°C, θ
IN
UH PACKAGE
) ......................... –0.3V to 40V
TOP VIEW
JA
SGND
33
= 34°C/W, θ
–
13 14 15 16
, SENSE2
JC
= 3°C/W
–
CC
24
23
22
21
20
19
18
17
,
BOOST1
BG1
V
INTV
EXTV
BG2
PGND
BOOST2
IN
CC
CC
(Note 1)
CC
LTC3865
I
INTV
Operating Junction Temperature Range (Notes 2, 3)
Storage Temperature Range ................... –65°C to 125°C
Lead Temperature (Soldering, 10 sec)
TH1
LTC3865/LTC3865-1 .......................... –40°C to 125°C
FE Package ....................................................... 300°C
, I
CC
TH2
DC Output Current (Note 9) .......................80mA
EXPOSED PAD (PIN 39) IS SGND, MUST BE SOLDERED TO PCB
Voltages .................................... –0.3V to 2.7V
V
V
SENSE1
SENSE2
SENSE2
OSENSE1
SENSE
OSENSE2
TK/SS1
TK/SS2
VID11
VID12
VID21
SGND
RUN1
RUN2
I
I
I
TH1
TH2
LIM
NC
NC
+
–
–
+
T
38-LEAD PLASTIC TSSOP
JMAX
10
11
12
13
14
15
16
17
18
19
1
2
3
4
5
6
7
8
9
= 125°C, θ
FE PACKAGE
TOP VIEW
SGND
39
JA
= 25°C/W
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
FREQ
VID22
MODE/PLLIN
SW1
TG1
BOOST1
PGND1
BG1
V
INTV
EXTV
BG2
PGND2
BOOST2
NC
TG2
SW2
PGOOD1
PGOOD2
IN
CC
CC
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