LTC3406B-1.2 查看數據表（PDF） - Linear Technology
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LTC3406B-1.2 Datasheet PDF : 12 Pages
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LTC3406B-1.2
TYPICAL PERFOR A CE CHARACTERISTICS
(From Figure 1)
RDS(ON) vs Input Voltage
0.7
TA = 25°C
0.6
0.5
MAIN
SWITCH
0.4
0.3
SYNCHRONOUS
SWITCH
0.2
0.1
0
0 12 3 45 6 7
INPUT VOLTAGE (V)
3406B12 G07
RDS(ON) vs Temperature
0.7
VIN = 2.7V
0.6
VIN = 4.2V VIN = 3.6V
0.5
0.4
0.3
0.2
0.1
0
–50
MAIN SWITCH
SYNCHRONOUS SWITCH
–25 0 25 50 75
TEMPERATURE (°C)
100 125
3406B12 G08
Dynamic Supply Current vs
Supply Voltage
400
ILOAD = 0A
380 TA = 25°C
360
340
320
300
280
260
240
220
200
2
3
4
5
6
SUPPLY VOLTAGE (V)
3406B12 G09
Dynamic Supply Current vs
Temperature
340
VIN = 3.6V
320 ILOAD = 0A
300
280
260
240
220
200
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3406B12 G10
Switch Leakage vs Temperature
300
VIN = 5.5V
RUN = 0V
250
200
150
100
MAIN SWITCH
50
SYNCHRONOUS SWITCH
0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
3406B12 G11
Switch Leakage vs Input Voltage
120
RUN = 0V
TA = 25°C
100
SYNCHRONOUS
SWITCH
80
60
MAIN
SWITCH
40
Discontinuous Operation
SW
2V/DIV
VOUT
10mV/DIV
AC COUPLED
IL
200mA/DIV
20
0
0
1
2
3
4
56
INPUT VOLTAGE (V)
3406B12 G12
VIN = 3.6V
ILOAD = 50mA
1µs/DIV
3406B12 G13
4
sn3406b12 3406b12fs
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