LTC3440 查看數據表（PDF） - Linear Technology
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LTC3440 Datasheet PDF : 20 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
Feedback Voltage Line Regulation
90
VIN = VOUT = 2.5V TO 5.5V
80
70
Error Amp Sink Current
430
VIN = VOUT = 3.6V
410
390
370
LTC3440
PMOS RDS(ON)
0.30
VIN = VOUT = 3.6V
SWITCHES A AND D
0.25
0.20
0.15
60
–55
–25 5 35 65
TEMPERATURE (°C)
95 125
3440 G16
Boost Max Duty Cycle
90
VIN = VOUT = 3.6V
RT = 60k
85
80
75
350
–55 –25 5
35 65
TEMPERATURE (°C)
95 125
3440 G17
Minimum Start Voltage
2.40
2.35
2.30
0.10
–55 –25 5
35 65
TEMPERATURE (°C)
95 125
3440 G18
Current Limit
3000
2500
PEAK SWITCH
VIN = VOUT = 3.6V
2000
1500
AVERAGE INPUT
70
–55 –25 5
35 65
TEMPERATURE (°C)
95 125
3440 G19
2.25
–55
–25 5 35 65
TEMPERATURE (°C)
95 125
3440 G20
1000
–55 –25 5
35 65
TEMPERATURE (°C)
95 125
3440 G21
3440fb
5
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