3692 데이터 시트보기 (PDF) - Linear Technology
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3692 Datasheet PDF : 36 Pages
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LT3692
TYPICAL PERFORMANCE CHARACTERISTICS
Comparator Sink Current
vs Temperature
400
SINK CURRENT AT VCMPO = 0.4V
350
300
250
200
150
100
50
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3692 G11
Switching Frequency
vs Temperature
1800
1600
RRT/SYNC = 44.2k
1400
1200
1000
RRT/SYNC = 28.0k
800
600
RRT/SYNC = 13.0k
400
200
RRT/SYNC = 0k
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3692 G12
Switching Phase vs Temperature
195
193
191
189
187
185
183
181
179
177
175
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3692 G13
CLKOUT-to-SW1 Delay
vs Temperature
160
150
140
130
120
110
100
90
80
70
60
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3692 G14
RT/SYNC-to-CLKOUT and SW1
Delay vs Temperature
450
400
SW1
350
300
CLKOUT
250
200
150
100
50
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3695 G15
Synchronization Duty Cycles
vs Temperature
100
RT/SYNC FREQUENCY = 1MHz
90
80
MAXIMUM RT/SYNC DUTY CYCLE
70
60
50
40
30
MINIMUM RT/SYNC DUTY CYCLE
20
10
0
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3692 G16
DIV Voltage Threshold
vs Temperature
1.8
1.6
÷8
1.4
1.2
÷4
1.0
0.8
÷2
0.6
0.4
0.2
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3695 G17
Switch Saturation Voltage
vs Temperature
300
250
ISW = 3A
200
150
ISW = 1A
100
ISW = 500mA
50
0
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3692 G18
3692f
6
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