LTC3411AIMS 데이터 시트보기 (PDF) - Linear Technology
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LTC3411AIMS Datasheet PDF : 22 Pages
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LTC3411A
Typical Performance Characteristics TA = 25°C, VIN = 3.6V, fO = 1MHz, unless
otherwise noted.
Frequency Variation vs VIN
6
4
2
0
–2
–4
–6
–8
2.5 3.0 3.5 4.0 4.5 5.0 5.5
VIN (V)
3411A G10
Dynamic Supply Current vs Input
Voltage
100
10
FORCED CONTINUOUS
1
PULSE SKIP
0.1 Burst Mode
OPERATION
0.01
VOUT = 1.8V
ILOAD = 0A
0.001
2.5 3.0 3.5 4.0 4.5 5.0 5.5
VIN (V)
3411A G13
RDS(ON) vs Input Voltage
0.25
0.20
0.15
0.10
0.05
MAIN SWITCH
SYNCHRONOUS SWITCH
0.0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
3411A G11
Dynamic Supply Current vs
Temperature
100
10
FORCED CONTINUOUS
1
PULSE SKIP
0.1 Burst Mode
OPERATION
0.01
0.001
–50 –25
VOUT = 1.8V
ILOAD = 0A
0 25 50 75
TEMPERATURE (°C)
100 125
3411A G14
RDS(ON) vs Temperature
0.30
0.25
0.20
0.15
0.10
0.05
0.0
–50 –25
MAIN SWITCH
SYNCHRONOUS SWITCH
0 25 50 75
TEMPERATURE (°C)
100 125
3411A G12
Switch Leakage vs Input Voltage
2500
2000
1500
MAIN SWITCH
1000
SYNCHRONOUS SWITCH
500
0
0
1
2
3
4
5
6
INPUT VOLTAGE(V)
3411A G15
Switch Leakage vs Temperature
600
500
Burst Mode Operation
SW
2V/DIV
400
VOUT
50mV/DIV
300
AC COUPLED
200
100
0
–50
MAIN SWITCH
SYNCHRONOUS SWITCH
–25 0 25 50 75 100 125
TEMPERATURE (°C)
3411A G16
IL
200mA/DIV
VIN = 3.6V
VOUT = 1.8V
ILOAD = 50mA
4µs/DIV
Pulse Skippng Mode
SW
2V/DIV
VOUT
50mV/DIV
AC COUPLED
IL
200mA/DIV
3411A G17
VIN = 3.6V
VOUT = 1.8V
ILOAD = 5mA
4µs/DIV
For more information www.linear.com/LTC3411A
3411A G18
3411afd
5
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