LT1243M Ver la hoja de datos (PDF) - Linear Technology
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LT1243M Datasheet PDF : 16 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
LT1241 Series
Reference Voltage
5.05
5.04 IO = 1mA
5.03
5.02
5.01
5.00
4.99
4.98
4.97
4.96
4.95
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LT1241 • TPC10
Error Amplifier Open-Loop Gain
and Phase
100
225
VCC = 15V
80
GAIN
VO = 2.0V - 4.0V 180
RL = 100k
TA = 25°C
60
135
PHASE
40
90
20
45
0
0
–20
10 100
1k 10k 100k 1M
FREQUENCY (Hz)
–45
10M
LT1241 • TPC16
High Level Output
Saturation Voltage
4.0
3.5
3.0
2.5
2.0
1.5
1.0
TJ = – 55°C
TJ = 25°C
TJ = 125°C
0.5
0
0
100
200
OUTPUT SOURCE CURRENT (mA)
LT1241 • TPC13
Reference Short-Circuit Current
140
120
100
80
60
40
20
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LT1241 • TPC09
Feedback Pin Input Voltage
2.55
2.54
2.53
2.52
2.51
2.50
2.49
2.48
2.47
2.46
2.45
–50 –25 0
25 50 75 100 125
TEMPERATURE (°C)
LT1241 • TPC11
Current Sense Clamp Voltage
1.05
1.04
1.03
1.02
1.01
1.00
0.99
0.98
0.97
0.96
0.95
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LT1241 • TPC12
Low Level Output
Saturation Voltage
1.0
TJ = 125°C
0.5
TJ = 25°C
TJ = – 55°C
0
0
100
200
OUTPUT SINK CURRENT (mA)
LT1241 • TPC14
Current Sense Input Threshold
1.2
1.0
0.8
0.6
TJ =125°C
0.4
TJ = – 55°C
0.2
TJ = 25°C
0
0
1
2
3
4
5
6
ERROR AMP OUTPUT VOLTAGE (V)
LT1241 • TPC17
Low Level Output Saturation
Voltage During Undervoltage
Lockout
4.0
3.5
3.0
2.5
TJ = – 55°C
2.0
1.5
1.0
TJ = 125°C
TJ = 25°C
0.5
0
0
5
10
OUTPUT SINK CURRENT (mA)
LT1241 • TPC15
5
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