LTC3854_15 Datasheet, PDF (2/28 Pages) Linear Technology – Small Footprint, Wide VIN Range Synchronous Step-Down DC/DC Controller

LTC3854
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (V_IN)......................... 40V to –0.3V
Top Side Driver Voltage (BOOST)................ 46V to –0.3V
Switch Voltage (SW)................................... 40V to –5.0V
INTV_CC, BOOST-SW..................................... 6V to –0.3V
SENSE⁺, SENSE^– .......................................... 6V to –0.3V
RUN/SS......................................................... 6V to –0.3V
ITH, FB Voltages........................................ 2.7V to –0.3V
INTV_CC Peak Output Current (Note 8).....................40mA
Operating Temperature Range
(Notes 2, 3)...........................................–40°C to 85°C
Maximum Junction Temperature....................... 125°C
Storage Temperature Range................... –65°C to 125°C
PIN CONFIGURATION
TOP VIEW
FB 1
ITH 2
RUN/SS 3
BOOST 4
TG 5
SW 6
12 SENSE⁺
11 SENSE^–
13 ^{10 VIN}
9 INTV_CC
8 BG
7 GND
DDB PACKAGE
12-LEAD (3mm × 2mm) PLASTIC DFN
T_JMAX = 125°C, θ_JA = 76°C/W, θ_JC = 10°C/W
EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB
FB 1
ITH 2
RUN/SS 3
BOOST 4
TG 5
SW 6
TOP VIEW
13
12 SENSE⁺
11 SENSE^–
10 V_IN
9 INTV_CC
8 BG
7 GND
MSE PACKAGE
12-LEAD PLASTIC MSOP
T_JMAX = 125°C, θ_JA = 40°C/W, θ_JC = 16°C/W
EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3854EDDB#PBF
LTC3854EDDB#TRPBF LDPC
12-Lead (3mm × 2mm) Plastic DFN –40°C to 85°C
LTC3854IDDB#PBF
LTC3854IDDB#TRPBF LDPC
12-Lead (3mm × 2mm) Plastic DFN –40°C to 85°C
LTC3854EMSE#PBF
LTC3854EMSE#TRPBF 3854
12-Lead Plastic MSOP
–40°C to 85°C
LTC3854IMSE#PBF
LTC3854IMSE#TRPBF 3854
12-Lead Plastic MSOP
–40°C to 85°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/
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