LT3682EDD 데이터 시트보기 (PDF) - Linear Technology
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LT3682EDD Datasheet PDF : 24 Pages
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LT3682
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted.
RUN/SS Pin Current
12
10
8
6
4
2
0
0 5 10 15 20 25 30 35 40
RUN/SS PIN VOLTAGE (V)
3682 G19
Boost Diode Forward Voltage
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0
0.25
0.5
0.75
1
BOOST DIODE CURRENT (A)
3682 G20
Error Amplifier Output Current
60
50
40
30
20
10
0
10
20
30
40
50
60
200 100
0
100
200
FB PIN ERROR VOLTAGE (mV)
3682 G21
Minimum Input Voltage
5
4.5
4
3.5
3
2.5
2
1
VOUT = 3.3V
L = 10μH
f = 800kHz
10
100
LOAD CURRENT (mA)
1000
3682 G22
Minimum Input Voltage
6.5
6
5.5
5
4.5
4
1
VOUT = 5V
L = 10μH
f = 800kHz
10
100
LOAD CURRENT (mA)
1000
3682 G23
Maximum VIN for Full Frequency
40
35
30
TA = 85˚C
25
20
TA = 25˚C
15
VOUT = 3.3V
10
L = 10μH
f = 800kHz
SYNC = 3.3V
5
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
LOAD CURRENT(A)
3682 G24
Maximum VIN for Full Frequency
40
35
30
25
TA = 85˚C
20
TA = 25˚C
15
VOUT = 5V
10
L = 10μH
f = 800kHz
SYNC = 5V
5
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
LOAD CURRENT(A)
3682 G25
6
Maximum VIN for Full Frequency
40
35 TA = 25˚C
30
TA = 85˚C
25
20
15
VOUT = 5V
10
L = 4.7μH
f = 2MHz
SYNC =5V
5
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
LOAD CURRENT(A)
3682 G26
VC Voltages
2.5
2
CURRENT LIMIT CLAMP
1.5
1
SWITCHING THRESHOLD
0.5
0
50 25
0 25 50 75
TEMPERATURE(°C)
100 125
3682 G27
3682f
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