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LT3021 Datasheet(PDF) 6 Page - Linear Technology

Part # LT3021
Description  1.1A, Low Noise, Low Dropout Linear Regulator
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3021 Datasheet(HTML) 6 Page - Linear Technology

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LT1965
6
1965f
TYPICAL PERFORMANCE CHARACTERISTICS
Ripple Rejection vs Temperature
Minimum Input Voltage
Load Regulation
Output Noise Spectral Density
RMS Output Noise vs Load
Current (10Hz to 100kHz)
1.8V 10Hz to 100kHz
Output Noise
Reverse Output Current
Reverse Output Current
Ripple Rejection vs Frequency
OUTPUT VOLTAGE (V)
0
0
1
2
3
4
5
6
246
8
10
1965 G16
TJ = 25°C
VIN = 0V
CURRENT FLOWS INTO
OUTPUT PIN
VOUT = VADJ
0
0.10
0.20
0.30
0.40
0.50
0.05
0.15
0.25
0.35
0.45
1965 G17
TEMPERATURE (°C)
–50
–25
0
25
50
75
100
125
VIN = 0V
VOUT = 1.2V
60
80
100
70
90
1965 G19
TEMPERATURE (°C)
–50
–25
0
25
50
75
100
125
IL = 0.75A
VIN = VOUT(NOMINAL) + 1V + 0.5P-P
RIPPLE AT f = 120Hz
0
1.0
2.0
2.5
0.5
1.5
1965 G20
TEMPERATURE (°C)
–50
–25
0
25
50
75
100
125
IL = 500mA
IL = 1.1A
IL = 100mA
–16
–12
–8
–4
0
–14
–10
–6
–2
1965 G21
TEMPERATURE (°C)
–50
–25
0
25
50
75
100
125
VIN = 2.3V
ΔIL = 1mA TO 1.1A
0.01
0.10
1.00
FREQUENCY (Hz)
10
100
1k
10k
100k
1965 G22
VOUT = 3.3V
VOUT = 1.2V
VOUT = 1.5V
VOUT = 1.8V
VOUT
= 2.5V
COUT = 10μF
IL = 1.1A
LOAD CURRENT (A)
20
30
50
70
80
0.0001
0.01
0.1
10
10
0.001
1
60
40
0
1965 G23
VOUT = 2.5V
VOUT = 3.3V
VOUT = 1.8V
VOUT = 1.2V
COUT = 10μF
IL = 1.1A
VOUT = 1.5V
400
μs/DIV
VOUT
100
μV/DIV
1965 G24
COUT = 10μF
IL = 1.1A
FREQUENCY (Hz)
20
30
50
60
80
90
10
1k
10k
1M
10
100
100k
70
40
0
1965 G18
IL = 0.75A
COUT = 10μF CERAMIC
VIN = VOUT(NOMINAL)
+ 1V + 50mVRMS RIPPLE



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