LTC3563 Ver la hoja de datos (PDF) - Linear Technology
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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.
Load Step
Load Step
Load Step
VOUT
100mV/DIV
AC COUPLED
IL
500mA/DIV
ILOAD
500mA/DIV
VIN = 3.6V
20µs/DIV
VOUT = 1.87V
ILOAD = 0A TO 500mA
VOUT
100mV/DIV
AC COUPLED
IL
500mA/DIV
ILOAD
500mA/DIV
3563 G04
VIN = 3.6V
20µs/DIV
VOUT = 1.87V
ILOAD = 30mA TO 500mA
VOUT
100mV/DIV
AC COUPLED
IL
500mA/DIV
ILOAD
500mA/DIV
3563 G05
VIN = 3.6V
20µs/DIV
VOUT = 1.28V
ILOAD = 0mA TO 500mA
3563 G06
Load Step
VOUT
100mV/DIV
AC COUPLED
IL
500mA/DIV
ILOAD
500mA/DIV
VIN = 3.6V
20µs/DIV
VOUT = 1.28V
ILOAD = 30mA TO 500mA
3563 G07
Oscillator Frequency
vs Supply Voltage
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
1.9
1.8
2
3
4
5
SUPPLY VOLTAGE (V)
6
3563 G10
Regulated Output Voltage
vs Temperature
1.31
VSEL = 0V
1.30
1.29
1.28
1.27
1.26
1.25
1.24
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3563 G08
Output Voltage vs Supply Voltage
0.5
IOUT = 200mA
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
2 2.5 3
3.5 4
VOUT = 1.28V
VOUT = 1.87V
4.5 5 5.5 6
INPUT VOLTAGE (V)
3563 G11
Oscillator Frequency
vs Temperature
2.5
2.4
2.3
2.2
2.1
2.0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3563 G09
Output Voltage vs Load Current
2.0
VIN = 3.6V
1.5
1.0
0.5
Burst Mode
0
OPERATION
–0.5
–1.0
–1.5
–2.0
1
VOUT = 1.28V
VOUT = 1.87V
10
100
LOAD CURRENT (mA)
1000
3563 G12
3563f
4
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