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LT3045 Datasheet(PDF) 10 Page - Linear Technology

Part # LT3045
Description  20V, 500mA, Ultralow Noise, Ultrahigh PSRR Linear Regulator
PDF  32 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3045 Datasheet(HTML) 10 Page - Linear Technology

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LT3045
10
3045fa
For more information www.linear.com/LT3045
Typical perForMance characTerisTics
Integrated RMS Output Noise
(10Hz to 100kHz)
Noise Spectral Density
Integrated RMS Output Noise
(10Hz to 100kHz)
Noise Spectral Density
Integrated RMS Output Noise
(10Hz to 100kHz)
Noise Spectral Density
TJ = 25°C, unless otherwise noted.
Power Supply Ripple Rejection
Power Supply Ripple Rejection
as a Function of Error Amplifier
Input Pair
Power Supply Ripple Rejection
VIN = 5V
RSET = 30.1k
COUT = 10µF
CSET = 0.47µF
IL = 500mA
IL = 300mA
IL = 100mA
IL = 50mA
IL = 1mA
FREQUENCY (Hz)
10
100
1k
10k
100k
1M
10M
20
40
60
80
100
120
140
3045 G43
VIN = VOUT + 2V
IL = 500mA
COUT = 10µF
CSET = 0.47µF
VOUT ≥ 1.3V
0.6V < VOUT < 1.3V
VOUT ≤ 0.6V
FREQUENCY (Hz)
10
100
1k
10k
100k
1M
10M
20
30
40
50
60
70
80
90
100
110
120
3045 G44
IL = 500mA
RSET = 30.1k
COUT = 10µF
CSET = 0.47µF
100kHz
500kHz
1MHz
2MHz
INPUT–TO–OUTPUT DIFFERENTIAL (V)
0
1
2
3
4
5
0
10
20
30
40
50
60
70
80
90
100
3045 G45
VIN = 5V
RSET = 33.2k
COUT = 10µF
CSET = 4.7µF
LOAD CURRENT (mA)
0 50 100 150 200 250 300 350 400 450 500
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
3045 G46
VIN = 5V
COUT = 10µF
RSET = 33.2k
ILOAD = 500mA
SET PIN CAPACITANCE (µF)
0.01
0.1
1
10
100
0
1
2
3
4
5
6
7
8
9
3045 G47
VIN = VOUT + 2V
COUT = 10µF
CSET = 4.7µF
ILOAD = 500mA
OUTPUT VOLTAGE (V)
0 1.5 3 4.5 6 7.5 9 10.5 12 13.5 15
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
3045 G48
VIN = 5V
RSET = 33.2k
COUT = 10µF
ILOAD = 500mA
CSET = 0.047µF
CSET = 0.47µF
CSET = 1µF
CSET = 4.7µF
CSET = 22µF
FREQUENCY (Hz)
10
100
1k
10k
100k
1M
10M
0.1
1
10
100
1000
3045 G49
VIN = 5V
RSET = 33.2k
CSET = 4.7µF
ILOAD = 500mA
COUT = 10µF
COUT = 22µF
FREQUENCY (Hz)
10
100
1k
10k
100k
1M
10M
0.1
1
10
100
1000
3045 G50
VIN = 5V
RSET = 33.2k
CSET = 4.7µF
COUT = 10µF
IL = 500mA
IL = 300mA
IL = 100mA
IL = 10mA
IL = 1mA
FREQUENCY (Hz)
10
100
1k
10k
100k
1M
10M
0.1
1
10
100
1000
3045 G51



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