OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

LT2940IDD#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
LT2940
16
2940f
TYPICAL APPLICATIONS
120W Supply Monitor Includes I
CC
of LT2940
CMP
+
PMON IMON
CMPOUT
CMPOUT
LATCH
V
–
V
+
I
–
I
+
2940 TA02
V
CC
R2
140k
LOAD
R1
10.0k
5mA
MAX
0A TO 4A
V
PMON
R4
13.7k
R3
6.19k
OVP
SUPPLY
30V TO 80V
100V (MAX)
OVERPOWER (OVP) GOES HIGH
WHEN SUPPLY POWER > 120W
R
S
LT2940
GND
R12
3.9k
1/8W
50m
1W
V
LOGIC
R14
3.9k
SCALE = 30
120W FULL-SCALE
W
V
k
V
=
k
I
= 50m
1
15
12.5W PWM Heat Source
CMP
+
IMONPMON
CMPOUT
CMPOUT
LATCH
V
–
V
+
I
–
I
+
V
CC
2940 TA03
R2
102k
R1
25.5k
Q1
FDS3672
INPUT
9.5V TO 14.5V
R
S
LT2940
GND
200m
3
R4
15.0k
C4
4.7µF
* SEVEN 50, 5W RESISTORS IN PARALLEL.
MULTIPLE UNITS FACILITATE SPREADING HEAT.
C1
100µF
25V
k
V
=
k
I
=
t
OFF
z1.7ms
200m
3
1
5
HEATSINK
Q = 12.5W
R6
10k
R5
10k
Q3
2N3906
Q2
TP0610
R7*
7
D1
1N5819
+
LT2940
17
2940f
TYPICAL APPLICATIONS
30W Linear Heat Source
Wide Input Range 10W PWM Heat Source
PMON IMON
V
–
V
+
I
–
I
+
V
CC
2940 TA04
R2
102k
LM334
R1
25.5k
R6
51
Q1
VN2222
D1
1N457
D2
27V
10A/V
10V TO 40V
R
S
LT2940
GND
200m
3
R5
6.8k
R7
3.3k
C3
470pF
C2
22nF
R3
10k
R4
680
V
–
V
+
R
R8
1k
R9
10k
Q2
TIP129
HEATSINK
Q = 30W
Q3
D44VH11
R10
100
R11
100m
k
V
=
k
I
=
200m
3
1
15
C1
100µF
50V
+
CMP
+
IMONPMON
CMPOUT
CMPOUT
LATCH
V
–
V
+
I
–
I
+
V
CC
2940 TA05
D2
1N4148
Q2
BSS123
22.4V TO 72V
R
S
LT2940
GND
200m
3
R4
68k
C4
4.7µF
C1
100µF
100V
k
V
=
k
I
=
t
OFF
z2ms
200m
3
13
233
HEATSINK
Q = 10W
R6
10k
R5
10k
R7
50
25W
Q3
2N3906
12V
D1
MUR1100E
Q1
FDS3672
R2
220k
R1
13k
D3
1N4148
C2
100nF
+
12V
LT2940
18
2940f
TYPICAL APPLICATIONS
8V to 32V, 8W Load
Adjustable 0W to 10W Load Box with UVLO and Thermal Shutdown
PMONIMON
V
–
V
+
I
–
I
+
V
CC
2940 TA06
Q1
FDB3632
8V TO 32V
R
S
200m
LT2940
GND
12V
12V
k
V
=
k
I
= 200m
1
4
R2
30k
R1
10k
R7
6.8
10W
LM334
D1
1N457
R5
6.8k
C1
100nF
C4
100nF
200µA/A
CURRENT
MONITOR
OUTPUT
R3
2k
R4
680
V
–
V
+
R
R6
10
+
–
CMP
+
PMON
IMON
CMPOUT
CMPOUT
LATCH
V
–
V
+
I
–
I
+
V
CC
2940 TA07
Q2
2N3904*
Q1
FDB3632
1A/V
CURRENT
MONITOR
OUTPUT
I
CONTROL
= 50mW/µA
10V TO 40V
INPUT
LT2940
GND
12V
12V
12V
LT1635
0W TO 10W ADJ
10-TURN
REF
200mV
k
V
=
k
I
= 200m
1
5
R12
12k
R10
500
TEMP
ADJ
*THERMAL SHUTDOWN; COUPLE TO Q1’s HEAT SINK
D1
1N4003
R4
4.99k
R13
10k
R3A
13k
UVLO
R
S
200m
R3B
91k
R14
10
R1
30k
R2
120k
C11
10nF
R11
33
Q4
2N3906
+
–
R17
100
R18
1k
R16
10k
R15
10k
C13
10nF
R19
10k
OA
Q3
2N3906
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24

LT2940IDD#PBF

Mfr. #:
Buy LT2940IDD#PBF
Manufacturer:
Analog Devices Inc.
Description:
Current & Power Monitors & Regulators Power & Current Monitor
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet