Datasheet

LTC3873
2
3873fa
ABSOLUTE MAXIMUM RATINGS
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
(Note 1)
SW Voltage ................................................ –0.3V to 60V
Operating Temperature Range (Note 2).... –40°C to 85°C
Junction Temperature (Note 3) ............................. 125°C
Storage Temperature Range ................... –65°C to 125°C
Lead Temperature (Soldering, 10 sec)
TS8 Package ..................................................... 300°C
IPRG 1
I
TH
2
V
FB
3
GND 4
8 SW
7 RUN/SS
6 V
CC
5 NGATE
TOP VIEW
TS8 PACKAGE
8-LEAD PLASTIC TSOT-23
T
JMAX
= 125°C, θ
JA
= 230°C/W
TOP VIEW
9
DDB PACKAGE
8-LEAD (3mm s 2mm) PLASTIC DFN
5
6
7
8
4
3
2
1GND
V
FB
I
TH
IPRG
NGATE
V
CC
RUN/SS
SW
T
JMAX
= 125°C, θ
JA
= 76°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3873ETS8#PBF LTC3873ETS8\#TRPBF LTCSN 8-Lead Plastic TSOT-23 –40°C to 85°C
LTC3873EDDB#PBF LTC3873EDDB#TRPBF LCSK
8-Lead (3mm × 2mm) Plastic DFN
–40°C to 85°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3873ETS8 LTC3873ETS8#TR LTCSN 8-Lead Plastic TSOT-23 –40°C to 85°C
LTC3873EDDB LTC3873EDDB#TR LCSK
8-Lead (3mm × 2mm) Plastic DFN
–40°C to 85°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifi cations, go to:
http://www.linear.com/tapeandreel/