LT3710 データシートの表示（PDF） - Linear Technology
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LT3710 Datasheet PDF : 12 Pages
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LT3710
TYPICAL PERFOR A CE CHARACTERISTICS
∆VREF vs VCC, ∆FREQ vs VCC
CSET = 500pF
3 TA = 25°C
2
1
∆VREF
0
–1
1
∆FREQ
0
–1
10
15
VCC (V)
20
25
3710 G04
Frequency vs Temperature
195
CSET = 500pF
200
205
210
215
–40
–20 0 25 50 75 125
JUNCTION TEMPERATURE (°C)
3710 G06
GBIAS vs IGBIAS (Charging 2.2µF)
CGBIAS = 2.2µF
300
250
200
150
100
50
0
12
10
VGBIAS
8
6
4
IGBIAS
2
0
0
500µs
1ms
TIME
3710 G08
VREF vs Temperature
0.801
CSET = 500pF
0.800
0.799
0.798
–40
–20 0 25 50 75 125
JUNCTION TEMPERATURE (°C)
3710 G05
CSET vs Switching Frequency
500
TA = 25°C
CSET
400
1.00
0.95
MAXIMUM DUTY CYCLE
0.90
300
0.85
0.80
200
0.75
0.70
100
200
400
600
CSET (pF)
800
1000
3710 G07
Current Limit Amplifier CA1 Gain
at VCC = 11V, VCL– = 5V
8
VCC = 11V
7 VCLN = 5V
TA = 25°C
6
5
4
CSET PEAK
3
2
CSET VALLEY
1
0
50
60
70
80
90
VCL+ – VCL– (mV)
3710 G09
3710f
4
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