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參數(shù)資料
| 型號： | LTCMN |
| 廠商： | Linear Technology Corporation |
| 元件分類： | 運動控制電子 |
| 英文描述： | Dual High Voltage, High Side Current Sense Amplifier |
| 中文描述： | 雙高電壓，高側(cè)電流檢測放大器 |
| 文件頁數(shù)： | 6/16頁 |
| 文件大小： | 267K |
| 代理商： | LTCMN |
LTC6103
6
6103f
BLOCK DIAGRAM
PIN FUNCTIONS
OUTA (Pin 1):
Current Output of Amplifier A. OUTA will
source a current that is proportional to the sense voltage
of amplifier A into an external resistor.
OUTB (Pin 2):
Current Output of Amplifier B. OUTB will
source a current that is proportional to the sense voltage
of amplifier B into an external resistor.
NC (Pin 3):
No Connect.
V
–
(Pin 4):
Negative Supply (or Ground for Single Supply
Operation). Common to both amplifiers.
+INB/V
SB
(Pin 5):
The Positive Input of the Internal Sense
Amplifier B. Must be tied to the system load end of the
sense resistor. It also works as the positive supply for
amplifier B. Supply current of amplifier B is drawn through
this pin.
The LTC6103 supply current is monitored along
with the system load current.
–INB (Pin 6):
The Negative Input of the Internal Sense
Amplifier B. The internal sense amplifier will drive –INB
to the same potential as +INB. A resistor (R
IN
) tied from
V
B+
to –INB sets the output current I
OUT
= V
SENSE
/ R
IN
.
V
SENSE
is the voltage developed across the external R
SENSE
(Figure 1).
–INA (Pin 7):
The Negative Input of the Internal Sense
Amplifier A. The internal sense amplifier will drive –INA
to the same potential as +INA. A resistor (R
IN
) tied from
V
A+
to –INA sets the output current I
OUT
= V
SENSE
/ R
IN
.
V
SENSE
is the voltage developed across the external R
SENSE
(Figure 1).
+INA/V
SA
(Pin 8):
The Positive Input of the Internal Sense
Amplifier A. Must be tied to the system load end of the
sense resistor. It also works as the positive supply for
amplifier A. Supply current of amplifier A is drawn through
this pin.
The LTC6103 supply current is monitored along
with the system load current.
Figure 1. LTC6103 Block Diagram and Typical Connection
+
–
+
–
8
7
6
5
2
4
1
+INA
OUTA
OUTB
6103 F01
V
SB
V
SA
I
SA
I
SB
I
OUT
I
OUT
–INA
–INB
R
IN
5k 5k
5k 5k
R
IN
R
SENSE
R
SENSE
V
SENSE
+
–
V
SENSE
+
–
V
A+
V
B+
+INB
V
–
10V
10V
R
OUT
R
OUT
LOAD
LOAD
I
LOAD
I
LOAD
R
OUT
R
IN
V
OUT
= V
SENSE
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