Datasheet

LT3690
2
3690fa
pin conFiguraTionabsoluTe MaxiMuM raTings
EN, UVLO, V
IN
Voltage (Note 2) ................................60V
BST Voltage .............................................................55V
BST Voltage Above SW Voltage ...............................30V
BIAS, PG Voltage . ....................................................30V
FB, RT, SS, SYNC, V
C
, V
CCINT
Voltage . .......................6V
Operating Junction Temperature Range (Notes 3 and 4)
LT3690E ........................................... –40°C to 125°C
LT3690I ............................................ –40°C to 125°C
LT3690H ........................................... –40°C to 150°C
LT3690MP ........................................ –55°C to 150°C
Storage Temperature Range ................. –65°C to 150°C
(Note 1)
UFE PACKAGE
26-LEAD (4mm × 6mm) PLASTIC QFN
27
SW
TOP VIEW
28
GND
SW
SW
SW
SW
BST
GND
V
CCINT
BIAS
PG
EN
SW
SW
SW
SW
SYNC
GND
RT
V
C
FB
GND
1
2
3
4
5
6
7
8
9
10
26
25
24
23
22
21
20
19
18
17
SS
UVLO
V
IN
V
IN
V
IN
GND
11 12 13 14 15 16
θ
JA
= 40°C/W, θ
JC
= 2.7°C/W
EXPOSED PAD (PIN 27) IS SW, MUST BE SOLDERED TO PCB
EXPOSED PAD (PIN 28) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3690EUFE#PBF LT3690EUFE#TRPBF 3690
26-Lead (4mm × 6mm) Plastic QFN
–40°C to 125°C
LT3690IUFE#PBF LT3690IUFE#TRPBF 3690
26-Lead (4mm × 6mm) Plastic QFN
–40°C to 125°C
LT3690HUFE#PBF LT3690HUFE#TRPBF 3690
26-Lead (4mm × 6mm) Plastic QFN
–40°C to 150°C
LT3690MPUFE#PBF LT3690MPUFE#TRPBF 3690
26-Lead (4mm × 6mm) Plastic QFN
–55°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/