LT3060 Просмотр технического описания (PDF) - Linear Technology
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LT3060 Datasheet PDF : 20 Pages
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LT3060
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted.
RMS Output Noise vs Load Current
CREF/BYP = 10nF, CFF = 0
170
160 f = 10Hz TO 100kHz
150 COUT = 10μF
140
130
VOUT = 2.5V
120
110
VOUT = 1.8V
100
VOUT = 1.5V
90
80
70
60
50
40
30
20
10
0
0.01
0.1
1
VOUT = 5V
VOUT = 3.3V
VOUT = 1.2V
VOUT = 0.6V
10
100
LOAD CURRENT (mA)
3060 G28
5V 10Hz to 100kHz Output Noise
CREF/BYP = 10nF, CFF = 0
RMS Output Noise
vs Feedforward Capacitor (CFF)
120
110 VOUT = 5V
100
VOUT = 3.3V
90
VOUT = 2.5V
80
f = 10Hz TO 100kHz
CREF/BYP = 10nF
COUT = 10μF
IFB-DIVIDER = 5μA
IL = 100mA
70
60
50
40
30
20 VOUT = 1.8V VOUT = 1.2V VOUT = 0.6V
10
VOUT = 1.5V
0
10p
100p
1n
10n
FEEDFORWARD CAPACITOR, CFF (F)
3060 G29
5V 10Hz to 100kHz Output Noise
CREF/BYP = 10nF, CFF = 10nF
VOUT
100μV/DIV
COUT = 10μF
IL = 100mA
1ms/DIV
3060 G30
VOUT
100μV/DIV
COUT = 10μF
IL = 100mA
1ms/DIV
3060 G31
5V Transient Response
CFF = 0
VOUT
50mV/DIV
VOUT = 5V
ΔIOUT = 10mA TO 100mA
IOUT
50mA/DIV
VIN = 6V
100μs/DIV
COUT = CIN = 10μF
IFB-DIVIDER = 5μA
3060 G32
8
5V Transient Response
CFF = 10nF
VOUT
20mV/DIV
VOUT = 5V
ΔIOUT = 10mA TO 100mA
IOUT
50mA/DIV
VIN = 6V
20μs/DIV
COUT = CIN = 10μF
IFB-DIVIDER = 5μA
3060 G33
3060f
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