LTC3245_15 Datasheet, PDF (2/18 Pages) Linear Technology – Wide VIN Range, Low Noise, 250mA Buck-Boost Charge Pump

LTC3245
Absolute Maximum Ratings
(Note 1)
V_IN, SEL1, SEL2, BURST............................. –0.3V to 38V
V_OUT, OUTS/ADJ, PGOOD............................. –0.3V to 6V
I_PGOOD.......................................................................2mA
V_OUT Short-Circuit Duration.............................. Indefinite
Operating Junction Temperature Range (Notes 2, 3)
(E-/I-Grade)......................................... –40°C to 125°C
(H-Grade)............................................ –40°C to 150°C
(MP-Grade)......................................... –55°C to 150°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
(MSE Only) ........................................................... 300°C
Pin Configuration
TOP VIEW
V_IN 1
V_IN 2
V_IN 3
BURST 4
SEL1 5
SEL2 6
12 GND
11 C^–
13
10 V_OUT
GND
9 C⁺
8 PGOOD
7 OUTS/ADJ
DE PACKAGE
12-LEAD (3mm × 4mm) PLASTIC DFN
T_JMAX = 150°C, θ_JA = 43°C/W
EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB GND
TOP VIEW
V_IN 1
V_IN 2
12 GND
11 C^–
V_IN 3
13
10 V_OUT
BURST 4
GND
9 C⁺
SEL1 5
8 PGOOD
SEL2 6
7 OUTS/ADJ
MSE PACKAGE
12-LEAD PLASTIC MSOP
T_JMAX = 150°C, θ_JA = 40°C/W
EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB GND
Order Information
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3245EDE#PBF
LTC3245EDE#TRPBF
3245
12-Lead (3mm × 4mm) Plastic DFN
–40°C to 125°C
LTC3245IDE#PBF
LTC3245IDE#TRPBF
3245
12-Lead (3mm × 4mm) Plastic DFN
–40°C to 125°C
LTC3245EMSE#PBF
LTC3245EMSE#TRPBF 3245
12-Lead Plastic MSOP
–40°C to 125°C
LTC3245IMSE#PBF
LTC3245IMSE#TRPBF 3245
12-Lead Plastic MSOP
–40°C to 125°C
LTC3245HMSE#PBF
LTC3245HMSE#TRPBF 3245
12-Lead Plastic MSOP
–40°C to 150°C
LTC3245MPMSE#PBF
LTC3245MPMSE#TRPBF 3245
12-Lead Plastic MSOP
–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.
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/
Electrical Characteristics The l denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at T_A = 25°C, (Note 2). V_IN = 12V, V_OUT = 5V, C_FLY = 1µF unless otherwise
noted.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
V_IN
V_UVLO
Operating Input Voltage Range
V_IN Undervoltage Lockout Threshold
V_IN Rising
V_IN Falling
l 2.7
38
V
l
2.4
2.7
V
2.2
V
3245fa
2
For more information www.linear.com/LTC3245