LTC3446(RevD) Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LTC3446 Datasheet PDF : 20 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LTC3446
Buck Regulated Feedback Voltage
vs Temperature
808
806
804
802
800
798
796
VIN = 2.7V
VIN = 3.6V
794
VIN = 4.2V
VIN = 5.5V
792
–50 –30 –10 10 30 50 70 90 110 130
TEMPERATURE (°C)
3446 G01
LDO2 Regulated Feedback
Voltage vs Temperature
408
406
404
402
400
398
396
VIN = 2.7V
VIN = 3.6V
394
VIN = 4.2V
VIN = 5.5V
392
–50 –30 –10 10 30 50 70 90 110 130
TEMPERATURE (°C)
3446 G03
Maximum Peak Inductor Current
2.5
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
1.1
VIN = 5.5V
1.0
–50 –30 –10 10 30 50 70 90 110 130
TEMPERATURE (°C)
3446 G05
LDO1 Regulated Feedback
Voltage vs Temperature
408
406
404
402
400
398
396
VIN = 2.7V
VIN = 3.6V
394
VIN = 4.2V
VIN = 5.5V
392
–50 –30 –10 10 30 50 70 90 110 130
TEMPERATURE (°C)
3446 G02
Undervoltage Lockout Threshold
vs Temperature
2.50
2.45
2.40
UVLO RISING
2.35
UVLO FALLING
2.30
2.25
2.20
2.15
2.10
2.05
2.00
–50 –30 –10 10 30 50 70 90 110 130
TEMPERATURE (°C)
3446 G04
Oscillator Frequency
vs Temperature
2.50
2.45
2.40
2.35
2.30
2.25
2.20
2.15
2.10
VIN = 2.7V
VIN = 3.6V
2.05
VIN = 4.2V
VIN = 5.5V
2.00
–50 –30 –10 10 30 50 70 90 110 130
TEMPERATURE (°C)
3446 G06
3446fd
5
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