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LT3045 Datasheet(PDF) 9 Page - Linear Technology

Part # LT3045
Description  20V, 500mA, Ultralow Noise, Ultrahigh PSRR Linear Regulator with VIOC Control
PDF  36 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3045 Datasheet(HTML) 9 Page - Linear Technology

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LT3045-1
9
30451fa
For more information www.linear.com/LT3045-1
TYPICAL PERFORMANCE CHARACTERISTICS
ILIM Pin Current
PGFB Rising Threshold
PGFB Hysteresis
Internal Current Limit
Programmable Current Limit
Programmable Current Limit
TJ = 25°C, unless otherwise noted.
RILIM = 0Ω
150°C
125°C
25°C
–55°C
INPUT-TO-OUTPUT DIFFERENTIAL (V)
0
2
4
6
8 10 12 14 16 18 20
0
100
200
300
400
500
600
700
800
900
1000
30451 G28
RILIM = 300Ω
VOUT = 0V
VIN = 2.5V
VIN = 12V
TEMPERATURE (°C)
–75 –50 –25 0
25 50 75 100 125 150
0
100
200
300
400
500
600
700
800
900
1000
30451 G29
RILIM = 1.5k
VOUT = 0V
VIN = 2.5V
VIN = 12V
TEMPERATURE (°C)
–75 –50 –25 0
25 50 75 100 125 150
0
20
40
60
80
100
120
140
160
180
200
30451 G30
VILIM = 0V
RSET = 13k
2.5VIN
5VIN
10VIN
OUTPUT CURRENT (mA)
0 50 100 150 200 250 300 350 400 450 500
0
100
200
300
400
500
600
700
800
900
1000
30451 G31
VIN = 2V
TEMPERATURE (°C)
–75 –50 –25 0
25 50 75 100 125 150
290
292
294
296
298
300
302
304
306
308
310
30451 G32
VIN = 2V
TEMPERATURE (°C)
–75 –50 –25 0
25 50 75 100 125 150
0
1
2
3
4
5
6
7
8
30451 G33
PG Output Low Voltage
PG Pin Leakage Current
ISET During Start-Up with Fast
Start-Up Enabled
VIN = 2V
VPGFB = 290mV
IPG = 100µA
TEMPERATURE (°C)
–75 –50 –25 0
25 50 75 100 125 150
0
5
10
15
20
25
30
35
40
45
50
30451 G34
VPG = 2V
VPGFB = 310mV
TEMPERATURE (°C)
–75 –50 –25 0
25 50 75 100 125 150
0
10
20
30
40
50
60
70
80
90
100
30451 G35
VIN = 2.5V
VPGFB = 290mV
VSET = 1.3V
TEMPERATURE (°C)
–75 –50 –25 0
25 50 75 100 125 150
0
0.5
1.0
1.5
2.0
2.5
3.0
30451 G36



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