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LT2940CMS 데이터시트(PDF) 6 Page - Linear Technology

부품명 LT2940CMS
상세설명  Power and Current Monitor
PDF  24 Pages
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제조업체  LINER [Linear Technology]
홈페이지  http://www.linear.com
Logo LINER - Linear Technology

LT2940CMS 데이터시트(HTML) 6 Page - Linear Technology

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LT2940
6
2940f
–4
–1500
–1000
–500
0
500
1500
–2
0
2940 G04
24
1000
VPMON = 0V
VPMON = 0.5V
VV • VI (V
2)
VCC ≥ 15V
VV = 40 • VI
VPMON = 4V
–5
–300
–200
–100
0
100
300
05
2940 G05
10
15
20
200
I = 200μA
OUTPUT VOLTAGE (V)
TA = 25°C
VCC = 6V
VCC = 12V
VCC = 30V
I = –200μA
VCC = 6V VCC = 12V
VCC =
30V
0
2.4
2.6
2.8
3.0
3.2
3.6
20
40
2940 G06
60
80
100
3.4
IPMON = 200μA
IIMON = 200μA
IPMON = 0μA
IIMON = 0μA
VCC (V)
IPMON = –200μA
IIMON = –200μA
–300
–300
–200
–100
0
100
300
–200
–100
0
100
2940 G07
200
300
200
VIMON = 0V
VIMON = 0.5V
VI (mV)
VI = VI+ – VI–
OUTPUT CURRENT IS
APPROXIMATELY FLAT
TO ABSOLUTE MAXIMUM
VOLTAGE LIMITS
VI (mV)
–200
1
0
–1
0
200
–2
2
2940 G08
VCC = 12V
VCC = 80V
ONE REPRESENTATIVE UNIT
TEMPERATURE (°C)
–50
–3
–1
0
1
3
0
50
75
–2
2
–25
25
100
125
2949 G09
–200mV ≤ VI ≤ 200mV
VI– = 12V
VCC = 12V
VCC = 80V
VCC = 80V
VCC = 12V
TYPICAL PERFORMANCE CHARACTERISTICS
PMON Current
vs Power Sense Product
PMON and IMON Voltage
Compliance
Supply Current vs Supply Voltage
IMON Current vs Current
Sense Voltage
IMON Total Error vs Current
Sense Voltage
IMON Error Band vs Temperature
PMON Step Response
PMON Step Response
IMON Step Response
500ns/DIV
VIMON
200mV/DIV
2940 G10
RPMON = 2k ON 2VDC BIAS
CL = 8pF
VCC = 12V
TA = 25°C
VV = ±2V
VI = 200mV
250ns/DIV
VIMON
200mV/DIV
2940 G11
RPMON = 2k ON 2VDC BIAS
CL = 8pF
VCC = 12V
TA = 25°C
VI = ±200mV
VV = 2V
250ns/DIV
VIMON
200mV/DIV
2940 G12
RIMON = 2k ON 2VDC BIAS
CL = 8pF
VCC = 12V
TA = 25°C
VI = ±200mV



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