LTC3621-2_15 Datasheet, PDF (2/18 Pages) Linear Technology – 17V, 1A Synchronous Step-Down Regulator with 3.5A Quiescent Current

LTC3621/LTC3621-2
Absolute Maximum Ratings (Note 1)
V_IN Voltage.................................................. 17V to –0.3V
RUN Voltage................................................ V_IN to –0.3V
MODE/SYNC, FB Voltages............................. 6V to –0.3V
PGOOD Voltages........................................... 6V to –0.3V
Operating Junction Temperature Range (Notes 3, 6, 7)
LTC3621E, LTC3621I........................... –40°C to 125°C
LTC3621H........................................... –40°C to 150°C
Storage Temperature Range................... –65°C to 150°C
Pin Configuration
TOP VIEW
SW 1
6 MODE/SYNC
V_IN 2
7
GND
5 INTV_CC
RUN 3
4 FB
DCB PACKAGE
6-LEAD (2mm × 3mm) PLASTIC DFN
T_JMAX = 125°C, θ_JA = 64°C/W, θ_JC = 9.6°C/W
EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB
TOP VIEW
SW 1
8 SGND
V_IN 2
9
7 MODE/SYNC
RUN 3
GND
6 INTV_CC
PGOOD 4
5 FB
MS8E PACKAGE
8-LEAD PLASTIC MSOP
T_JMAX = 150°C, θ_JA = 40°C/W, θ_JC = 10°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
Order Information
LEAD FREE FINISH
LTC3621EDCB#PBF
LTC3621IDCB#PBF
LTC3621EDCB-3.3#PBF
LTC3621IDCB-3.3#PBF
LTC3621EDCB-5#PBF
LTC3621IDCB-5#PBF
LTC3621EMS8E#PBF
LTC3621IMS8E#PBF
LTC3621HMS8E#PBF
LTC3621EMS8E-3.3#PBF
LTC3621IMS8E-3.3#PBF
LTC3621HMS8E-3.3#PBF
LTC3621EMS8E-5#PBF
LTC3621IMS8E-5#PBF
LTC3621HMS8E-5#PBF
LTC3621EDCB-2#PBF
LTC3621IDCB-2#PBF
LTC3621EDCB-23.3#PBF
LTC3621IDCB-23.3#PBF
LTC3621EDCB-25#PBF
LTC3621IDCB-25#PBF
TAPE AND REEL
LTC3621EDCB#TRPBF
LTC3621IDCB#TRPBF
LTC3621EDCB-3.3#TRPBF
LTC3621IDCB-3.3#TRPBF
LTC3621EDCB-5#TRPBF
LTC3621IDCB-5#TRPBF
LTC3621EMS8E#TRPBF
LTC3621IMS8E#TRPBF
LTC3621HMS8E#TRPBF
LTC3621EMS8E-3.3#TRPBF
LTC3621IMS8E-3.3#TRPBF
LTC3621HMS8E-3.3#TRPBF
LTC3621EMS8E-5#TRPBF
LTC3621IMS8E-5#TRPBF
LTC3621HMS8E-5#TRPBF
LTC3621EDCB-2#TRPBF
LTC3621IDCB-2#TRPBF
LTC3621EDCB-23.3#TRPBF
LTC3621IDCB-23.3#TRPBF
LTC3621EDCB-25#TRPBF
LTC3621IDCB-25#TRPBF
PART MARKING*
LGDG
LGDG
LGQF
LGQF
LGQC
LGQC
LTGDH
LTGDH
LTGDH
LTGNY
LTGNY
LTGNY
LTGNX
LTGNX
LTGNX
LGHY
LGHY
LGQG
LGQG
LGQD
LGQD
PACKAGE DESCRIPTION
6-Lead (2mm × 3mm) Plastic DFN
6-Lead (2mm × 3mm) Plastic DFN
6-Lead (2mm × 3mm) Plastic DFN
6-Lead (2mm × 3mm) Plastic DFN
6-Lead (2mm × 3mm) Plastic DFN
6-Lead (2mm × 3mm) Plastic DFN
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead Plastic MSOP
6-Lead (2mm × 3mm) Plastic DFN
6-Lead (2mm × 3mm) Plastic DFN
6-Lead (2mm × 3mm) Plastic DFN
6-Lead (2mm × 3mm) Plastic DFN
6-Lead (2mm × 3mm) Plastic DFN
6-Lead (2mm × 3mm) Plastic DFN
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
3621fc
2
For more information www.linear.com/LTC3621