LTC3608(RevC) Просмотр технического описания (PDF) - Linear Technology
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LTC3608 Datasheet PDF : 26 Pages
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Typical Performance Characteristics
LTC3608
Input and Shutdown Currents
vs Input Voltage
1400
40
1200
1000
800
600
400
200
EXTVCC OPEN
35
30
25
SHUTDOWN
20
15
10
EXTVCC = 5V
5
0
0
0
5
10
15
20
INPUT VOLTAGE (V)
3608 G21
INTVCC Load Regulation
0.30
0.20
0.10
0
–0.10
–0.20
–0.30
–0.40
0
10
20
30
40
50
INTVCC LOAD CURRENT (mA)
3608 G22
IEXTVCC vs Frequency
20 VIN = 20V
18
16
14
12
10
8
6
4
2
0
400 500 600 700 800
FREQUENCY (kHz)
900 1000
3608 G23
EXTVCC Switch Resistance
vs Temperature
10
8
6
4
2
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3608 G24
FCB Pin Current vs Temperature
0
–0.25
–0.50
–0.75
–1.00
–1.25
–1.50
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3608 G25
RUN/SS Pin Current
vs Temperature
3
2
PULL-DOWN CURRENT
1
0
–1
–2
–50 –25
PULL-UP CURRENT
0 25 50 75
TEMPERATURE (°C)
100 125
3608 G26
RUN/SS Pin Current
vs Temperature
5.0
Undervoltage Lockout Threshold
vs Temperature
4.0
4.5
3.5
LATCHOFF ENABLE
4.0
3.0
LATCHOFF THRESHOLD
3.5
2.5
3.0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3608 G27
2.0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3608 G28
3608fc
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