lt2940 Linear Technology Corporation, lt2940 Datasheet - Page 2

• Manufacturer Part Number: lt2940
• Description: Power And Current Monitor
• Manufacturer: Linear Technology Corporation

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