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LT8611
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V
, EN/UV, PG, ISP, ISN ...........................................42V
IN
BIAS ..........................................................................30V
BST Pin Above SW Pin................................................4V
FB, TR/SS, RT, INTV
, IMON, ICTRL. ........................4V
CC
SYNC Voltage . ............................................................6V
Operating Junction Temperature Range (Note 2)
LT8611E ................................................. –40 to 125°C
LT8611I .................................................. –40 to 125°C
Storage Temperature Range ......................–65 to 150°C
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
LT8611EUDD#PBF
LT8611EUDD#TRPBF
LT8611IUDD#PBF
LT8611IUDD#TRPBF
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to:
For more information on tape and reel specifications, go to:
designated sales channels with #TRMPBF suffix.
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
PARAMETER
Minimum Input Voltage
V
Quiescent Current
IN
V
Current in Regulation
IN
Feedback Reference Voltage
Feedback Voltage Line Regulation
Feedback Pin Input Current
INTV
Voltage
CC
2
http://www.linear.com/product/LT8611#orderinfo
PART MARKING*
LGBR
LGBR
http://www.linear.com/leadfree/
http://www.linear.com/tapeandreel/.
The
denotes the specifications which apply over the full operating
l
= 25°C.
A
CONDITIONS
V
= 0V, V
= 0V
EN/UV
SYNC
V
= 2V, Not Switching, V
EN/UV
SYNC
V
= 2V, Not Switching, V
EN/UV
SYNC
V
= 0.97V, V
= 6V, Output Load = 100µA
OUT
IN
V
= 0.97V, V
= 6V, Output Load = 1mA
OUT
IN
V
= 6V, I
= 0.5A
IN
LOAD
V
= 6V, I
= 0.5A
IN
LOAD
V
= 4.0V to 42V, I
= 0.5A
IN
LOAD
V
= 1V
FB
I
= 0mA, V
= 0V
LOAD
BIAS
I
= 0mA, V
= 3.3V
LOAD
BIAS
For more information
PIN CONFIGURATION
SYNC
1
TR/SS
2
RT
3
4
EN/UV
V
5
IN
V
6
IN
7
PGND
PGND
8
24-LEAD (3mm × 5mm) PLASTIC QFN
θ
= 40°C/W, θ
JA
EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB
PACKAGE DESCRIPTION
24-Lead (3mm × 5mm) Plastic QFN
24-Lead (3mm × 5mm) Plastic QFN
Some packages are available in 500 unit reels through
l
l
= 0V
l
= 2V
l
l
l
l
www.linear.com/LT8611
TOP VIEW
24 23 22 21
FB
20
PG
19
18
BIAS
17
INTV
25
CC
GND
BST
16
15
SW
14
SW
13
SW
9 10
11 12
UDD PACKAGE
= 5°C/W
JC(PAD)
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
MIN
TYP
MAX
2.9
3.4
1.0
3
1.0
8
1.7
4
1.7
10
0.46
2
24
50
210
350
0.967
0.970
0.973
0.956
0.970
0.984
0.004
0.02
–20
20
3.23
3.4
3.57
3.25
3.29
3.35
UNITS
V
µA
µA
µA
µA
mA
µA
µA
V
V
%/V
nA
V
V
8611fa
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