LT1577CS-ADJ/ADJ View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LT1577CS-ADJ/ADJ
Linear Technology
LT1577CS-ADJ/ADJ Datasheet PDF : 20 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LT1575/LT1577
VREF/VOUT Line Regulation
vs Temperature
0.030
0.025
0.020
0.015
0.010
0.005
0
–75 – 50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
1575/77 G10
Error Amplifier Large-Signal
Voltage Gain vs Temperature
120
115
110
105
100
95
90
85
80
75
70
–75 – 50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
1575/77 G11
Gain and Phase vs Frequency
200
150
PHASE
100
GAIN
50
0
1k
10k 100k 1M 10M 100M
FREQUENCY (Hz)
1575/77 G12
Gate Output Swing Low
vs Temperature
3.00
ILOAD = 50mA
2.75
2.50
NO LOAD
2.25
2.00
1.75
1.50
1.25
Gate Output Swing High
vs Temperature
3.0
2.5
2.0
ILOAD = 50mA
1.5
1.0
NO LOAD
0.5
IPOS + INEG Supply Current
vs Temperature
1000
900
800
IPOS = INEG = 5V
IPOS = INEG = 12V
700
IPOS = INEG = 20V
600
IPOS = INEG = 3V
500
400
1.00
–75 – 50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
1575/77 G13
0
–75 – 50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
1575/77 G14
300
–75 – 50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
1575/77 G15
Current Limit Threshold Voltage
vs Temperature
65
Current Limit Threshold Voltage
Line Regulation vs Temperature
0
60
– 0.1
55
IPOS = 5V
IPOS = 3V
– 0.2
50
IPOS = 20V
– 0.3
45
40
– 0.4
35
–75 – 50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
1575/77 G16
– 0.5
–75 – 50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
1575/77 G17
5
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