LTC3873-5 Datasheet, PDF (2/16 Pages) Linear Technology – No RSENSETM Constant Frequency Current Mode Boost/Flyback/SEPIC DC/DC Controller

LTC3873-5
ABSOLUTE MAXIMUM RATINGS (Note 1)
V_CC to GND
Low Impedance Source ........................... –0.3V to 9V
Current Fed ..........................................25mA Into V_CC
RUN/SS........................................................ –0.3V to 9V
IPRG Voltage.................................–0.3V to (V_CC + 0.3V)
V_FB, I_TH Voltages ....................................... –0.3V to 2.4V
SW Voltage ................................................ –0.3V to 60V
Operating Temperature Range (Note 2)
LTC3873E-5 ......................................... –40°C to 85°C
LTC3873I-5 ........................................ –40°C to 125°C
Junction Temperature (Note 3) ............................. 125°C
Storage Temperature Range................... –65°C to 125°C
Lead Temperature (Soldering, 10 sec)
TS8 Package ..................................................... 300°C
PIN CONFIGURATION
TOP VIEW
IPRG 1
I_TH 2
V_FB 3
GND 4
8 SW
7 RUN/SS
6 V_CC
5 NGATE
TS8 PACKAGE
8-LEAD PLASTIC TSOT-23
T_JMAX = 125°C, θ_JA = 230°C/W
TOP VIEW
GND 1
8 NGATE
V_FB 2
9
7 V_CC
I_TH 3
6 RUN/SS
IPRG 4
5 SW
DDB PACKAGE
8-LEAD (3mm s 2mm) PLASTIC DFN
T_JMAX = 125°C, θ_JA = 76°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3873ETS8-5#PBF
LTC3873ETS8-5#TRPBF LTCSP
8-Lead Plastic TSOT-23
–40°C to 85°C
LTC3873ITS8-5#PBF
LTC3873ITS8-5#TRPBF LTCSP
8-Lead Plastic TSOT-23
–40°C to 125°C
LTC3873EDDB-5#PBF
LTC3873EDDB-5#TRPBF LCSM
8-Lead (3mm × 2mm) Plastic DFN
–40°C to 85°C
LTC3873IDDB-5#PBF
LTC3873IDDB-5#TRPBF LCSM
8-Lead (3mm × 2mm) Plastic DFN
–40°C to 125°C
LEAD BASED FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3873ETS8-5
LTC3873ETS8-5#TR
LTCSP
8-Lead Plastic TSOT-23
–40°C to 85°C
LTC3873ITS8-5
LTC3873ITS8-5#TR
LTCSP
8-Lead Plastic TSOT-23
–40°C to 125°C
LTC3873EDDB-5
LTC3873EDDB-5#TR
LCSM
8-Lead (3mm × 2mm) Plastic DFN
–40°C to 85°C
LTC3873IDDB-5
LTC3873IDDB-5#TR
LCSM
8-Lead (3mm × 2mm) Plastic DFN
–40°C to 125°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/
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