LTC3407AIDD 데이터 시트보기 (PDF) - Linear Technology
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LTC3407AIDD Datasheet PDF : 16 Pages
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LTC3407A
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C unless otherwise specified.
Load Step
VOUT1
200mV/DIV
VOUT2
100mV/DIV
IL
500mA/DIV
ILOAD
500mA/DIV
VIN = 3.6V
20μs/DIV
VOUT = 1.8V
ILOAD = 50mA TO 600mA
CIRCUIT OF FIGURE 3
3407 G03
Soft Start
VIN
2V/DIV
VOUT1
1V/DIV
IL
500mA/DIV
VIN = 3.6V
1ms/DIV
VOUT = 1.8V
ILOAD = 500mA
CIRCUIT OF FIGURE 4
3407 G04
Efficiency vs Input Voltage
100
100mA
90
600mA
80
10mA
1mA
70
60
50
40
30
20
10 VOUT = 1.8V
CIRCUIT OF FIGURE 3
0
2
3
4
5
6
INPUT VOLTAGE (V)
3407A G05
Reference Voltage
vs Temperature
0.615
VIN = 3.6V
0.610
0.605
0.600
0.595
0.590
0.585
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3407A G08
Oscillator Frequency
vs Temperature
1.70
1.65
1.60
1.55
1.50
1.45
1.40
1.35
1.30
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3407A G06
RDS(ON) vs Input Voltage
500
450
400
MAIN
SWITCH
350
300
SYNCHRONOUS
250
SWITCH
200
12
3
4
5
VIN (V)
6
7
3407A G09
Oscillator Frequency
vs Supply Voltage
1.8
1.7
1.6
1.5
1.4
1.3
1.2
2
3
4
5
SUPPLY VOLTAGE (V)
6
3407A G07
RDS(ON) vs Temperature
550
VIN = 2.7V
500
450
VIN = 4.2V VIN = 3.6V
400
350
300
250
200
150
MAIN SWITCH
100
SYNCHRONOUS SWITCH
–50 –25 0 25 50 75 100
TEMPERATURE (°C)
125 150
3407A G10
3407afa
4
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