Datasheet
LTC3115-2
2
31152f
For more information www.linear.com/LTC3115-2
pin conFiguraTion
absoluTe MaxiMuM raTings
V
IN
, PV
IN
, PV
OUT
........................................ –0.3V to 45V
V
SW1
DC ........................................... –0.3V to (PV
IN
+ 0.3V)
Pulsed (<100ns) ......................–1.5V to (PV
IN
+ 1.5V)
V
SW2
DC .........................................–0.3V to (PV
OUT
+ 0.3V)
Pulsed (<100ns) .................... –1.5V to (PV
OUT
+ 1.5V)
V
RUN
............................................. –0.3V to (V
IN
+ 0.3V)
V
BST1
.....................................V
SW1
– 0.3V to V
SW1
+ 6V
V
BST2
.....................................V
SW2
– 0.3V to V
SW2
+ 6V
(Note 1)
orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3115EDHD-2#PBF LTC3115EDHD-2#TRPBF 31152
16-Lead (5mm × 4mm) Plastic DFN
–40°C to 125°C
LTC3115IDHD-2#PBF LTC3115IDHD-2#TRPBF 31152
16-Lead (5mm × 4mm) Plastic DFN
–40°C to 125°C
LTC3115EFE-2#PBF LTC3115EFE-2#TRPBF LTC3115FE-2 20-Lead Plastic TSSOP –40°C to 125°C
LTC3115IFE-2#PBF LTC3115IFE-2#TRPBF LTC3115FE-2 20-Lead Plastic TSSOP –40°C to 125°C
LTC3115HFE-2#PBF LTC3115HFE-2#TRPBF LTC3115FE-2 20-Lead Plastic TSSOP –40°C to 150°C
LTC3115MPFE-2#PBF LTC3115MPFE-2#TRPBF LTC3115FE-2 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/
V
PWM/SYNC
................................................... –0.3V to 6V
Voltage, All Other Pins ................................. –0.3V to 6V
Operating Junction Temperature Range (Notes 2, 4)
LTC3115E-2/LTC3115I-2 ..................... –40°C to 125°C
LTC3115H-2 ....................................... –40°C to 150°C
LTC3115MP-2 .................................... –55°C to 150°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
FE......................................................................300°C
16
15
14
13
12
11
10
9
PGND
17
1
2
3
4
5
6
7
8
PWM/SYNC
SW1
PV
IN
BST1
BST2
PV
CC
V
IN
V
CC
RUN
SW2
PV
OUT
GND
GND
VC
FB
RT
TOP VIEW
DHD PACKAGE
16-LEAD (5mm × 4mm) PLASTIC DFN
T
JMAX
= 125°C, θ
JA
= 43°C/W, θ
JC
= 4.3°C/W
EXPOSED PAD (PIN 17) 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
PGND
RUN
SW2
PV
OUT
GND
GND
VC
FB
RT
PGND
PGND
PWM/SYNC
SW1
PV
IN
BST1
BST2
PV
CC
V
IN
V
CC
PGND
21
PGND
T
JMAX
= 150°C, θ
JA
= 38°C/W, θ
JC
= 10°C/W
EXPOSED PAD (PIN 21) IS PGND, MUST BE SOLDERED
TO PCB FOR RATED THERMAL PERFORMANCE