LTC3545IUD-1 Просмотр технического описания (PDF) - Linear Technology
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LTC3545IUD-1 Datasheet PDF : 20 Pages
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LTC3545/LTC3545-1
TYPICAL PERFORMANCE CHARACTERISTICS
Start-Up From Shutdown
Loaded
VOUT1
VOUT2
VOUT3
(ALL 1V/DIV)
RUNX
5V/DIV
ISUPPLY
1A/DIV
TA = 25°C
200μs/DIV
VIN = 3.6V
ILOAD = 600mA, ALL CHANNELS
Start-Up From Shutdown
No Load
VOUT1
1V/DIV
VOUT2
1V/DIV
VOUT3
1V/DIV
ISUPPLY
50mA/DIV
3545 G13
TA = 25°C
200μs/DIV
VIN = 3.6V
ILOAD = 0, ALL CHANNELS
Load Step Crosstalk
VOUT2
2mV/DIV
VOUT3
2mV/DIV
VOUT1
100mV/DIV
ILOAD CH1
50mA/DIV
3545 G14
TA = 25°C
200μs/DIV
VIN = 3.6V
500mA LOAD STEP IN CHANNEL1
3545 G15
CHANNELS 2 AND 3 LOADED AT 400mA EACH
PFET RDS(ON) vs Supply Voltage
0.60
0.50
0.40
0.30
0.20
0.10
0
2
TA = 125°C
TA = 80°C
TA = 25°C
TA = 0°C
TA = –40°C
3
4
5
SUPPLY VOLTAGE (V)
6
3545 G16
NFET RDS(ON) vs Supply Voltage
0.60
0.50
0.40
0.30
0.20
0.10
0
2
TA = 125°C
TA = 80°C
TA = 25°C
TA = 0°C
TA = –40°C
3
4
5
SUPPLY VOLTAGE (V)
6
3545 G18
PFET RDS(ON) vs Temperature
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
–40
VIN = 2.5V
VIN = 3.5V
VIN = 5.5V
10
60
TEMPERATURE (°C)
110
3545 G17
NFET RDS(ON) vs Temperature
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
–40
VIN = 2.5V
VIN = 3.5V
VIN = 5.5V
10
60
TEMPERATURE (°C)
110
3545 G19
35451fb
6
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