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LT3012 Datasheet(PDF) 7 Page - Linear Technology

Part # LT3012
Description  250mA, 4V to 80V Low Dropout Micropower Linear Regulator
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3012 Datasheet(HTML) 7 Page - Linear Technology

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LT3012
7
3012fd
TYPICAL PERFORMANCE CHARACTERISTICS
Input Ripple Rejection
Input Ripple Rejection
Minimum Input Voltage
Output Noise Spectral Density
10Hz to 100kHz Output Noise
Transient Response
Load Regulation
TEMPERATURE (°C)
60
68
92
80
84
88
3012 G19
64
76
72
–50
0
50
75
–25
25
100
150
125
VIN = 4.75V + 0.5VP-P RIPPLE AT f = 120Hz
IL = 250mA
VOUT = 1.24V
TEMPERATURE (°C)
4.0
3012 G21
2.0
1.0
0.5
0
5.0
3.5
4.5
3.0
2.5
1.5
–50
0
50
75
–25
25
100
150
125
ILOAD = 250mA
FREQUENCY (Hz)
10
40
50
60
70
80
100
1k
10k
100k
1M
3012 G20
30
20
10
0
90
100
VIN = 4.75V + 50mVRMS RIPPLE
ILOAD = 250mA
COUT = 10μF
COUT = 3.3μF
TEMPERATURE (°C)
–4
–2
3012 G22
–12
–16
–18
–20
0
–8
–6
–10
–14
–50
0
50
75
–25
25
100
150
125
ΔIL = 1mA TO 250mA
FREQUENCY (Hz)
0.1
1
10
1k
10k
100k
3012 G23
0.01
100
10
COUT = 3.3μF
ILOAD = 250mA
VOUT
100μV/DIV
COUT = 10μF
IL = 250mA
VOUT = 1.24V
1ms/DIV
3012 G24
TIME (μs)
0
–0.05
0.05
400
3012 G25
100
–0.10
–0.15
0
0.10
0.15
200
300
0
100
200
300
500
VIN = 6V
VOUT = 5V
CIN = 3.3μF CERAMIC
COUT = 3.3μF CERAMIC
ΔILOAD = 100mA TO 200mA



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