Datasheet

LTC3861
2
3861fa
For more information www.linear.com/LTC3861
V
CC
Voltage .................................................. –0.3V to 6V
VINSNS Voltage ......................................... –0.3V to 30V
RUN1, RUN2 Voltage ........................–0.3V to V
CC
+ 0.3V
ISNS1P
, ISNS1N,
ISNS2P
, ISNS2N ...........................–0.3V to (V
CC
+ 0.1V)
All Other Pins ................................–0.3V to (V
CC
+ 0.3V)
Operating Junction Temperature Range
(N
otes 2
, 3) ............................................ –40°C to 125°C
Storage Temperature Range .................. –65°C to 150°C
(Note 1)
11 12 13 14
TOP VIEW
37
SGND
UHE PACKAGE
36-LEAD (5mm × 6mm) PLASTIC QFN
15 16 17 18
36 35 34 33 32 31 30 29
21
22
23
24
25
26
27
28
8
7
6
5
4
3
2
1
FB1
COMP1
VSNSP1
VSNSN1
VSNSOUT1
VSNSOUT2
VSNSN2
VSNSP2
COMP2
FB2
RUN1
I
LIM1
SGND
ISNS1P
ISNS1N
ISNS2N
ISNS2P
SGND
I
LIM2
RUN2
V
CC
TRACKK/SS1 VINSNS CONFIG I
AVG
PGOOD1 PWMEN1 PWM1
TRACK/SS2
FREQ
CLKIN
CLKOUT
PHSMD
PGOOD2
PWMEN2
PWM2
20
19
9
10
T
JMAX
= 125°C, θ
JA
= 43°C/W
EXPOSED PAD (PIN 37) IS SGND, MUST BE SOLDERED TO PCB
orDer inFormaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3861EUHE#PBF LTC3861EUHE#TRPBF 3861 36-Lead (5mm × 6mm) Plastic QFN –40°C to 125°C
LTC3861IUHE#PBF LTC3861IUHE#TRPBF 3861 36-Lead (5mm × 6mm) Plastic QFN –40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
pin conFiguraTionabsoluTe maximum raTings