LT3060EDC 查看數據表（PDF） - Linear Technology
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LT3060EDC Datasheet PDF : 26 Pages
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LT3060 Series
Typical Performance Characteristics TA = 25°C, unless otherwise noted.
Input Ripple Rejection
100
90 VOUT = 0.6V
80
70 VOUT = 5V
60
50
COUT = 10µF
40
30
20
IL = 100mA
CREF/BYP = CFF = 0
10 VIN = VOUT(NOMINAL) + 1.5V +
0 50mVRMS RIPPLE
COUT = 2.2µF
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
3060 G36
LT3060-5 Input Ripple Rejection
100
CREF/BYP = CFF = 10nF
90
80
CREF/BYP = 10nF, CFF = 0
70
60
50
40
30
20
IL = 100mA
VOUT = 5V
10 COUT = 10µF
CREF/BYP = CFF = 0
0 VIN = 6V + 50mVRMS RIPPLE
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
3060 G37
Ripple Rejection vs Temperature
100
90
CREF/BYP = 10nF
80
CREF/BYP = 0
70
60
50
40
30
20 IL = 100mA
10 VOUT = 0.6V
VIN = 2.6V + 0.5VP-P RIPPLE AT f = 120Hz
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3060 G38
Minimum Input Voltage
2.2
2.0
1.8
1.6
IL = 100mA
1.4
IL = 50mA
1.2
1.0
0.8
0.6
0.4
0.2 VSHDN = VIN
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3060 G39
Load Regulation
5
0
–5
–10
LT3060-5
–15
LT3060-3.3
LT3060-2.5
LT3060-1.8
–20
LT3060-1.5
LT3060-1.2
LT3060
–25
–75 –50 –25 0 25 50
75 100 125 150 175
TEMPERATURE (°C)
3060 G40
VIN = VOUT(NOMINAL) + 0.55V (LT3060-1.8/-2.5/-3.3/-5)
VIN = 2.1V (LT3060/-1.2/-1.5)
∆IL = 1mA TO 100mA
Output Noise Spectral Density
CREF/BYP = 0, CFF = 0
10
1
0.1
0.01
10
VOUT = 5V
VOUT = 3.3V
VOUT = 2.5V
VOUT = 1.8V
VOUT = 1.5V
VOUT = 1.2V
VOUT = 0.6V
COUT = 10µF
IL = 100mA
100
1k
10k
FREQUENCY (Hz)
100k
3060 G41
Output Noise Spectral Density
vs CREF/BYP, CFF = 0
10
VOUT = 5V
CREF/BYP = 100pF
Output Noise Spectral Density
vs CFF, CREF/BYP = 10nF
10
1
VOUT = 0.6V
1
CFF = 10nF
CFF = 0
12
0.1
CREF/BYP = 10nF
COUT = 10µF
IL = 100mA
0.01
10
100
CREF/BYP = 1nF
1k
10k
FREQUENCY (Hz)
100k
3060 G42
0.1
VOUT = 5V
COUT = 10µF
0.01 IL = 100mA
10
100
CFF = 1nF
CFF = 100pF
1k
10k
100k
FREQUENCY (Hz)
3060 G43
3060fa
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