Datasheet
LTC3865/LTC3865-1
3
3865fb
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3865EUH#PBF LTC3865EUH#TRPBF 3865
32-Lead (5mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3865EUH-1#PBF LTC3865EUH-1#TRPBF 38651
32-Lead (5mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3865IUH#PBF LTC3865IUH#TRPBF 3865
32-Lead (5mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3865IUH-1#PBF LTC3865IUH-1#TRPBF 38651
32-Lead (5mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3865EFE#PBF LTC3865EFE#TRPBF LTC3865FE 38-Lead Plastic TSSOP –40°C to 125°C
LTC3865IFE#PBF LTC3865IFE#TRPBF LTC3865FE 38-Lead Plastic TSSOP –40°C to 125°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifi cations, go to:
http://www.linear.com/tapeandreel/
PIN CONFIGURATION
LTC3865-1
32 31 30 29 28 27 26 25
9 10 11 12
TOP VIEW
33
SGND
UH PACKAGE
32-LEAD (5mm s 5mm) PLASTIC QFN
13 14 15 16
17
18
19
20
21
22
23
24
8
7
6
5
4
3
2
1V
OSENSE1
TK/SS1
I
TH1
VID11
VID12
I
TH2
TK/SS2
V
OSENSE2
BOOST1
BG1
V
IN
INTV
CC
EXTV
CC
BG2
PGND
BOOST2
SENSE1
–
SENSE1
+
RUN1
FREQ
VID22
MODE/PLLIN
SW1
TG1
SENSE2
–
SENSE2
+
RUN2
VID21
PGOOD2
PGOOD1
SW2
TG2
T
JMAX
= 125°C, θ
JA
= 34°C/W, θ
JC
= 3°C/W
EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB