Datasheet

LT3689/LT3689-5
2
3689fe
For more information www.linear.com/LT3689
ABSOLUTE MAXIMUM RATINGS
V
IN
, EN/UVLO Voltage (Note 2) .................................60V
BST Voltage ..............................................................60V
BST Above SW Voltage .............................................30V
OUT, WDE Voltage ....................................................30V
FB, RT, SYNC, W/T, WDI, RST, WDO Voltage ..............6V
C
WDT
, C
POR
Voltage ....................................................3V
(Note 1)
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3689EMSE#PBF LT3689EMSE#TRPBF 3689 16-Lead Plastic MSOP with Exposed Pad –40°C to 125°C
LT3689IMSE#PBF LT3689IMSE#TRPBF 3689 16-Lead Plastic MSOP with Exposed Pad –40°C to 125°C
LT3689HMSE#PBF LT3689HMSE#TRPBF 3689 16-Lead Plastic MSOP with Exposed Pad –40°C to 150°C
LT3689EMSE-5#PBF LT3689EMSE-5#TRPBF 36895 16-Lead Plastic MSOP with Exposed Pad –40°C to 125°C
LT3689IMSE-5#PBF LT3689IMSE-5#TRPBF 36895 16-Lead Plastic MSOP with Exposed Pad –40°C to 125°C
LT3689HMSE-5#PBF LT3689HMSE-5#TRPBF 36895 16-Lead Plastic MSOP with Exposed Pad –40°C to 150°C
LT3689EUD#PBF LT3689EUD#TRPBF LDND
16-Lead (3mm × 3mm) Plastic QFN
–40°C to 125°C
LT3689IUD#PBF LT3689IUD#TRPBF LDND
16-Lead (3mm × 3mm) Plastic QFN
–40°C to 125°C
LT3689EUD-5#PBF LT3689EUD-5#TRPBF LFFM
16-Lead (3mm × 3mm) Plastic QFN
–40°C to 125°C
LT3689IUD-5#PBF LT3689IUD-5#TRPBF LFFM
16-Lead (3mm × 3mm) 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/
1
2
3
4
5
6
7
8
WDO
C
WDT
C
POR
RT
SYNC
OUT
BST
V
IN
16
15
14
13
12
11
10
9
RST
WDI
W/T
WDE
FB
EN/UVLO
DA
SW
TOP VIEW
17
MSE PACKAGE
16-LEAD PLASTIC MSOP
θ
JA
= 43°C/W, θ
JC
= 4.3°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
16 15 14 13
5 6
17
7 8
TOP VIEW
UD PACKAGE
16-LEAD (3mm
×
3mm) PLASTIC QFN
9
10
11
12
4
3
2
1BST
V
IN
SW
DA
C
WDT
WDO
RST
WDI
OUT
SYNC
RT
C
POR
EN/UVLO
FB
WDE
W /T
θ
JA
= 68°C/W, θ
JC
= 4.2°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
PIN CONFIGURATION
Operating Junction Temperature Range (Note 3)
LT3689E ............................................ 40°C to 125°C
LT3689I ............................................. 40°C to 125°C
LT3689H ............................................ 40°C to 150°C
Storage Temperature Range .................. 65°C to 150°C
Lead Temperature (Soldering, 10 sec)
MSOP ............................................................... 300°C