Datasheet
LT8610
2
8610fa
For more information www.linear.com/LT8610
PIN CONFIGURATIONABSOLUTE MAXIMUM RATINGS
V
IN
, EN/UV, PG ..........................................................42V
BIAS .......................................................................... 30V
BST Pin Above SW Pin................................................4V
FB, TR/SS, RT, INTV
CC
. ..............................................4V
SYNC Voltage . ............................................................6V
Operating Junction Temperature Range (Note 2)
LT8610E ................................................. –40 to 125°C
LT8610I .................................................. –40 to 125°C
LT8610H ................................................–40 to 150°C
Storage Temperature Range ......................–65 to 150°C
(Note 1)
1
2
3
4
5
6
7
8
SYNC
TR/SS
RT
EN/UV
V
IN
V
IN
PGND
PGND
16
15
14
13
12
11
10
9
FB
PG
BIAS
INTV
CC
BST
SW
SW
SW
TOP VIEW
17
GND
MSE PACKAGE
16-LEAD PLASTIC MSOP
θ
JA
= 40°C/W, θ
JC(PAD)
= 10°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
ELECTRICAL CHARACTERISTICS
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C.
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT8610EMSE#PBF LT8610EMSE#TRPBF 8610 16-Lead Plastic MSOP –40°C to 125°C
LT8610IMSE#PBF LT8610IMSE#TRPBF 8610 16-Lead Plastic MSOP –40°C to 125°C
LT8610HMSE#PBF LT8610HMSE#TRPBF 8610 16-Lead Plastic MSOP –40°C to 150°C
Consult LT C Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LT C 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/
PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage
l
2.9 3.4 V
V
IN
Quiescent Current V
EN/UV
= 0V, V
SYNC
= 0V
l
1.0
1.0
3
8
µA
µA
V
EN/UV
= 2V, Not Switching, V
SYNC
= 0V
l
1.7
1.7
4
10
µA
µA
V
EN/UV
= 2V, Not Switching, V
SYNC
= 2V 0.24 0.5 mA
V
IN
Current in Regulation V
OUT
= 0.97V, V
IN
= 6V, Output Load = 100µA
V
OUT
= 0.97V, V
IN
= 6V, Output Load = 1mA
l
l
24
210
50
350
µA
µA
Feedback Reference V
oltage V
IN
= 6V, I
LOAD
= 0.5A
V
IN
= 6V, I
LOAD
= 0.5A
l
0.964
0.958
0.970
0.970
0.976
0.982
V
V
Feedback V
oltage Line Regulation V
IN
= 4.0V to 42V, I
LOAD
= 0.5A
l
0.004 0.02 %/V
Feedback Pin Input Current V
FB
= 1V –20 20 nA
INTV
CC
Voltage I
LOAD
= 0mA, V
BIAS
= 0V
I
LOAD
= 0mA, V
BIAS
= 3.3V
3.23
3.25
3.4
3.29
3.57
3.35
V
V
INTV
CC
Undervoltage Lockout 2.5 2.6 2.7 V
BIAS Pin Current Consumption V
BIAS
= 3.3V, I
LOAD
= 1A, 2MHz 8.5 mA
Minimum On-Time I
LOAD
= 1A, SYNC = 0V
I
LOAD
= 1A, SYNC = 3.3V
l
l
30
30
50
45
70
65
ns
ns
Minimum Off-T
ime 50 80 110 ns
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