LTC3563 View Datasheet(PDF) - Linear Technology
Part Name
Description
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LTC3563 Datasheet PDF : 16 Pages
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LTC3563
TYPICAL PERFOR A CE CHARACTERISTICS TA = 25°C unless otherwise specified.
RDS(ON) vs Input Voltage
0.9
0.8
0.7
0.6
MAIN SWITCH
0.5
0.4
0.3
SYNCHRONOUS
0.2
SWITCH
0.1
0
1
2
3
4
5
6
7
VIN (V)
3563 G13
RDS(ON) vs Temperature
0.9
0.8
MAIN SWITCH
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–50
SYNCHRONOUS
SWITCH
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
–25 0 25 50 75 100 125
TEMPERATURE (°C)
3563 G14
Switch Leakage vs Input Voltage
1000
900
800
700
600
500
MAIN SWITCH
400
300
200
SYNCHRONOUS
SWITCH
100
0
0
1
2
3
4
5
6
VIN (V)
3542 G15
Switch Leakage vs Temperature
300
250
Efficiency vs Input Voltage
100
VOUT = 1.87V
90
80
200
70
150
60
100
50
MAIN SWITCH
SYNCHRONOUS SWITCH
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3542 G16
50
40
30
2.5
IOUT = 500mA
IOUT = 100mA
IOUT = 10mA
IOUT = 1mA
IOUT = 0.1mA
3 3.5 4 4.5
INPUT VOLTAGE (V)
5 5.5
3563 G17
Efficiency vs Load Current
100
90
80
70
60
50
40
30
20
10 VOUT = 1.87V
FIGURE 3a CIRCUIT
0
0.1
1
10
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
100
1000
OUTPUT CURRENT (mA)
3563 G17
Efficiency vs Load Current
100
90
80
70
60
50
40
30
20
10 VOUT = 1.28V
FIGURE 3a CIRCUIT
0
0.1
1
10
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
100
1000
OUTPUT CURRENT (mA)
3563 G18
3563f
5
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