LTC3115-2_15 Datasheet, PDF (2/42 Pages) Linear Technology – 40V, 2A Synchronous Buck-Boost DC/DC Converter

LTC3115-2
Absolute Maximum Ratings (Note 1)
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
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
Pin Configuration
TOP VIEW
RUN 1
SW2 2
PV_OUT 3
GND 4
GND 5
VC 6
FB 7
RT 8
PGND
17
16 PWM/SYNC
15 SW1
14 PV_IN
13 BST1
12 BST2
11 PV_CC
10 V_IN
9 V_CC
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
PGND 1
RUN 2
SW2 3
PV_OUT 4
GND 5
GND 6
VC 7
FB 8
RT 9
PGND 10
TOP VIEW
21
PGND
20 PGND
19 PWM/SYNC
18 SW1
17 PV_IN
16 BST1
15 BST2
14 PV_CC
13 V_IN
12 V_CC
11 PGND
FE PACKAGE
20-LEAD PLASTIC TSSOP
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
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/
31152fa
2
For more information www.linear.com/LTC3115-2