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LT3050EDDB Datasheet(PDF) 8 Page - Linear Technology

Part # LT3050EDDB
Description  100mA, Linear Regulator with Precision Current Limit and Diagnostic Outputs
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3050EDDB Datasheet(HTML) 8 Page - Linear Technology

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LT3050 Series
8
3050fa
Input Ripple Rejection
Minimum Input Voltage
Load Regulation
TYPICAL PERFORMANCE CHARACTERISTICS T
J = 25°C, unless otherwise noted.
FREQUENCY (Hz)
90
40
50
60
70
80
30
3050 G19
0
10
20
10
100
1K
10K
100K
1M
10M
IL = 100mA
CREF/BYP = 100pF
VOUT = 5V
VIN = 5.8V + 50mVRMS RIPPLE
COUT = 2.2μF
COUT = 10μF
TEMPERATURE (°C)
2.2
1.2
1.4
1.6
1.8
2.0
1.0
3050 G20
0
0.2
0.4
0.6
0.8
–75 –50 –25 0
25 50 75 100 125 150 175
IL =100mA
TEMPERATURE (°C)
4
1
2
3
0
3050 G21
–4
–2
–1
–3
–75 –50
0
25
–25
50 75 100 125 150 175
ΔIL = 1mA TO 100mA
VOUT = 0.6V
VIN = 2.2V
TEMPERATURE (°C)
100
20
40
50
60
70
80
90
30
10
3050 G19a
0
–75 –50 –25 0
25 50 75 100 125 150 175
IL = 100mA
VOUT = 5V
VIN = 5.8V + 0.5VP-P RIPPLE AT f = 120Hz
COUT = 10µF
CREF/BYP = 10nF
Ripple Rejection vs Temperature
Reverse Output Current
Reverse Output Current
Input Ripple Rejection
VOUT (V)
1.0
0.3
0.6
0.7
0.8
0.9
0.4
0.5
0.1
0.2
3050 G16
0
0
1020304050
ALL PINS GROUNDED EXCEPT FOR OUT
FREQUENCY (Hz)
90
40
50
60
70
80
30
3050 G18
0
10
20
10
100
1K
10K
100K
1M
10M
IL = 100mA
COUT = 10μF
VOUT = 5V
VIN = 5.8V + 50mVRMS RIPPLE
CREF/BYP = 0
CREF/BYP = 100pF
CREF/BYP = 10nF
TEMPERATURE (°C)
50
10
20
25
30
35
40
45
15
5
3050 G17
0
–75 –50 –25 0
25 50 75 100 125 150 175
VOUT = VADJ = 1.2V
VIN = 0
IADJ
IOUT
TEMPERATURE (°C)
–9
–6
–3
–0
–18
–15
–12
–21
3050 G21a
–33
–27
–24
–30
–75 –50
0
25
–25
50 75 100 125 150 175
ΔIL = 1mA TO 100mA
VOUT = 3.3V
VIN = 3.9V
TEMPERATURE (°C)
–10
–5
–0
–25
–20
–15
–30
3050 G21b
–50
–40
–35
–45
–75 –50
0
25
–25
50 75 100 125 150 175
ΔIL = 1mA TO 100mA
VOUT = 5V
VIN = 5.6V
Load Regulation
Load Regulation


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