LTC3112_15 Datasheet, PDF (2/32 Pages) Linear Technology – 15V, 2.5A Synchronous Buck-Boost DC/DC Converter

LTC3112
Absolute Maximum Ratings
(Notes 1, 3)
V_IN Voltage.................................................. – 0.3V to 16V
V_OUT Voltage............................................... – 0.3V to 15V
SW1 Voltage (Note 4).................... – 0.3V to (V_IN + 0.3V)
SW2 Voltage (Note 4)................. – 0.3V to (V_OUT + 0.3V)
V_BST1 Voltage.................... (V_SW1 – 0.3V) to (V_SW1 + 6V)
V_BST2 Voltage....................(V_SW2 – 0.3V) to (V_SW2 + 6V)
RUN Voltage............................................... – 0.3V to 16V
PWM/SYNC, V_CC, I_OUT Voltage.....................– 0.3V to 6V
FB, COMP, OVP Voltage................................– 0.3V to 6V
Operating Junction Temperature Range (Notes 2, 6)
............................................................... –55°C to 150°C
Storage Temperature Range...................– 65°C to 150°C
Lead Temperature (Soldering, 10sec) TSSOP........ 300°C
Pin Configuration
TOP VIEW
COMP 1
FB 2
OVP 3
V_IN 4
V_IN 5
RUN 6
I_OUT 7
V_OUT 8
16 PWM/SYNC
15 V_CC
14 BST1
17
13 SW1
GND
12 SW1
11 BST2
10 SW2
9 SW2
DHD16 PACKAGE
16-LEAD (5mm × 4mm) PLASTIC DFN
T_JMAX=150 °C, q_JA = 43°C/W, q_JC = 4°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
TOP VIEW
GND 1
20 GND
COMP 2
19 PWM/SYNC
FB 3
18 V_CC
OVP 4
17 BST1
V_IN 5
V_IN 6
21
16 SW1
GND
15 SW1
RUN 7
14 BST2
I_OUT 8
V_OUT 9
13 SW2
12 SW2
GND 10
11 GND
FE PACKAGE
20-LEAD PLASTIC TSSOP
T_JMAX = 150°C, q_JA = 38°C/W, q_JC = 4°C/W
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
Order Information
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3112EDHD#PBF
LTC3112EDHD#TRPBF 3112
16-Lead (5mm × 4mm) Plastic DFN
–40°C to 125°C
LTC3112IDHD#PBF
LTC3112IDHD#TRPBF 3112
16-Lead (5mm × 4mm) Plastic DFN
–40°C to 125°C
LTC3112HDHD#PBF
LTC3112HDHD#TRPBF 3112
16-Lead (5mm × 4mm) Plastic DFN
–40°C to 150°C
LTC3112MPDHD#PBF
LTC3112MPDHD#TRPBF 3112
16-Lead (5mm × 4mm) Plastic DFN
–55°C to 150°C
LTC3112EFE#PBF
LTC3112EFE#TRPBF
3112FE
20-Lead Plastic TSSOP
–40°C to 125°C
LTC3112IFE#PBF
LTC3112IFE#TRPBF
3112FE
20-Lead Plastic TSSOP
–40°C to 125°C
LTC3112HFE#PBF
LTC3112HFE#TRPBF
3112FE
20-Lead Plastic TSSOP
–40°C to 150°C
LTC3112MPFE#PBF
LTC3112MPFE#TRPBF 3112FE
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/
3112fc
2
For more information www.linear.com/LTC3112