Datasheet
LTC3612
2
3612fb
For more information www.linear.com/LTC3612
ABSOLUTE MAXIMUM RATINGS
PV
IN
, SV
IN
, PV
IN_DRV
Voltages ..................... –0.3V to 6V
SW Voltage ..................................–0.3V to (PV
IN
+ 0.3V)
ITH, RT/SYNC Voltages ............... –0.3V to (SV
IN
+ 0.3V)
DDR, TRACK/SS Voltages ........... –0.3V to (SV
IN
+ 0.3V)
MODE, RUN, V
FB
Voltages .......... –0.3V to (SV
IN
+ 0.3V)
PGOOD Voltage ............................................ –0.3V to 6V
(Note 1)
20 19 18 17
7 8
TOP VIEW
21
UDC PACKAGE
20-LEAD (3mm × 4mm) PLASTIC QFN
9 10
6
5
4
3
2
1
11
12
13
14
15
16
DDR
RT/SYNC
SGND
NC
SW
SW
PGOOD
RUN
SV
IN
PV
IN_DRV
SW
SW
TRACK/SS
ITH
V
FB
MODE
NC
PV
IN
PV
IN
NC
T
JMAX
= 150°C, θ
JA
= 43°C/W
EXPOSED PAD (PIN 21) IS PGND, MUST BE SOLDERED TO PCB
FE PACKAGE
20-LEAD PLASTIC TSSOP
1
2
3
4
5
6
7
8
9
10
TOP VIEW
20
19
18
17
16
15
14
13
12
11
SV
IN
RUN
PGOOD
MODE
V
FB
ITH
TRACK/SS
DDR
RT/SYNC
SGND
PV
IN_DRV
SW
NC
SW
PV
IN
PV
IN
SW
NC
SW
NC
21
T
JMAX
= 150°C, θ
JA
= 38°C/W
EXPOSED PAD (PIN 21) IS PGND, MUST BE SOLDERED TO PCB
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3612EUDC#PBF LTC3612EUDC#TRPBF LDQT
20-Lead (3mm × 4mm) Plastic QFN
–40°C to 125°C
LTC3612IUDC#PBF LTC3612IUDC#TRPBF LDQT
20-Lead (3mm × 4mm) Plastic QFN
–40°C to 125°C
LTC3612HUDC#PBF LTC3612HUDC#TRPBF LDQT
20-Lead (3mm × 4mm) Plastic QFN
–40°C to 150°C
LTC3612MPUDC#PBF LTC3612MPUDC#TRPBF LDQT
20-Lead (3mm × 4mm) Plastic QFN
–55°C to 150°C
LTC3612EFE#PBF LTC3612EFE#TRPBF LTC3612FE 20-Lead Plastic TSSOP –40°C to 125°C
LTC3612IFE#PBF LTC3612IFE#TRPBF LTC3612FE 20-Lead Plastic TSSOP –40°C to 125°C
LTC3612HFE#PBF LTC3612HFE#TRPBF LTC3612FE 20-Lead Plastic TSSOP –40°C to 150°C
LTC3612MPFE#PBF LTC3612MPFE#TRPBF LTC3612FE 20-Lead Plastic TSSOP –55°C to 150°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/
Operating Junction Temperature Range
(Notes 2, 11) .......................................... –55°C to 150°C
Storage Temperature .............................. –65°C to 150°C
Reflow Peak Body Temperature (QFN) .................. 260°C
Lead Temperature (Soldering, 10 sec)
TSSOP .............................................................. 300°C