Datasheet

LT2940
2
2940f
ABSOLUTE MAXIMUM RATINGS
V
CC
, I
+
, I
–
, LATCH ....................................–0.3V to 100V
V
+
, V
–
, CMP
+
.............................................–0.3V to 36V
Voltage Sense (V
+
– V
–
) .........................................±36V
Current Sense (I
+
– I
–
) ............................................ ±36V
PMON, IMON (Note 3) ...... –0.3V to V
CC
+ 1V, Up to 16V
CMPOUT, CMPOUT ....................................–0.3V to 36V
CMPOUT, CMPOUT DC Output Current ..................22mA
(Notes 1, 2)
TOP VIEW
DD PACKAGE
12-LEAD (3mm s 3mm) PLASTIC DFN
12
13
11
8
9
10
4
5
3
2
1
V
CC
I
+
I
–
LATCH
V
+
V
–
CMPOUT
CMPOUT
CMP
+
PMON
IMON
GND
6
7
T
JMAX
= 125°C, θ
JA
= 43°C/W
EXPOSED PAD (PIN 13) PCB GND CONNECTION OPTIONAL
1
2
3
4
5
6
CMPOUT
CMPOUT
CMP
+
PMON
IMON
GND
12
11
10
9
8
7
V
CC
I
+
I
–
LATCH
V
+
V
–
TOP VIEW
MS PACKAGE
12-LEAD PLASTIC MSOP
T
JMAX
= 125°C, θ
JA
= 135°C/W
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT2940CDD#PBF LT2940CDD#TRPBF LDPP 12-Lead Plastic DFN 0°C to 70°C
LT2940IDD#PBF LT2940IDD#TRPBF LDPP 12-Lead Plastic DFN –40°C to 85°C
LT2940CMS#PBF LT2940CMS#TRPBF 2940 12-Lead Plastic MSOP 0°C to 70°C
LT2940IMS#PBF LT2940IMS#TRPBF 2940 12-Lead Plastic MSOP –40°C to 85°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed 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 specifi cations, go to:
http://www.linear.com/tapeandreel/
Operating Temperature Range
LT2940C ................................................... 0°C to 70°C
LT2940I ................................................–40°C to 85°C
Storage Temperature Range ...................–65°C to 150°C
Lead Temperature (Soldering, 10 sec)
MSOP Package ................................................. 300°C