Datasheet

LT8608/LT8608B
2
Rev. D
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PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
V
IN
, EN/UV, PG ..........................................................42V
FB, TR/SS . .................................................................4V
SYNC Voltage . ............................................................ 6V
(Note 1)
1
2
3
4
5
BST
SW
INTV
CC
RT
SYNC
10
9
8
7
6
EN/UV
V
IN
PG
TR/SS
FB
TOP VIEW
11
GND
MSE PACKAGE
10-LEAD PLASTIC MSOP
θ
JA
= 40°C/W, θ
JC
= 10°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
TOP VIEW
BST
SW
INTV
CC
RT
EN/UV
V
IN
PG
FB
DC PACKAGE
8-LEAD (2mm × 2mm) PLASTIC DFN
9
GND
4
1
2
3
6
5
7
8
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT8608EMSE#PBF LT8608EMSE#TRPBF LTGVZ 10-Lead Plastic MSOP –40°C to 125°C
LT8608IMSE#PBF LT8608IMSE#TRPBF LTGVZ 10-Lead Plastic MSOP –40°C to 125°C
LT8608HMSE#PBF LT8608HMSE#TRPBF LTGVZ 10-Lead Plastic MSOP –40°C to 150°C
LT8608EDC#TRMPBF LT8608EDC#TRPBF LGXB 8-Lead (2mm × 2mm) Plastic DFN –40°C to 125°C
LT8608IDC#TRMPBF LT8608IDC#TRPBF LGXB 8-Lead (2mm × 2mm) Plastic DFN –40°C to 125°C
LT8608HDC#TRMPBF LT8608HDC#TRPBF LGXB 8-Lead (2mm × 2mm) Plastic DFN –40°C to 150°C
LT8608BEDC#TRMPBF LT8608BEDC#TRPBF LGXC 8-Lead (2mm × 2mm) Plastic DFN –40°C to 125°C
LT8608BIDC#TRMPBF LT8608BIDC#TRPBF LGXC 8-Lead (2mm × 2mm) Plastic DFN –40°C to 125°C
LT8608BHDC#TRMPBF LT8608BHDC#TRPBF LGXC 8-Lead (2mm × 2mm) Plastic DFN –40°C to 150°C
Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
ELECTRICAL CHARACTERISTICS
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C.
PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage
l
2.5 3.0
3.2
V
V
IN
Quiescent Current V
EN/UV
= 0V, V
SYNC
= 0V
V
EN/UV
= 2V, Not Switching, V
SYNC
= 0V or LT8608 DFN, V
IN
≤ 36V
l
1
1.7
4
12
µA
µA
V
IN
Current in Regulation V
IN
= 6V, V
OUT
= 2.7V, Output Load = 100µA
V
IN
= 6V, V
OUT
= 2.7V, Output Load = 1mA
l
l
56
500
90
700
µA
µA
Operating Junction Temperature Range (Note 2)
LT8608E ........................................... –40°C to 125°C
LT8608I ............................................. –40°C to 125°C
LT8608H ............................................ –40°C to 150°C
Storage Temperature Range .................. –65°C to 150°C
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