ADP3000 データシートの表示（PDF） - Analog Devices
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ADP3000 Datasheet PDF : 16 Pages
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ADP3000
TYPICAL PERFORMANCE CHARACTERISTICS
2.5
2.0
406
OSCILLATOR FREQUENCY
405 @ TA = 25°C
404
1.5
403
VIN = 5V @ TA = 25°C
402
1.0
401
0.5
VIN = 3V @ TA = 25°C
VIN = 2V @ TA = 25°C
0
0.1 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.5
SWITCH CURRENT (A)
E Figure 9. Switch-On Voltage vs. Switch Current in Step-Up Mode
1.4
T 1.2
VIN = 5V @ TA = 25°C
1.0
E 0.8
VIN = 12V @ TA = 25°C
0.6
L 0.4
0.2
0
O 0.1
0.2
0.3
0.4
0.5
0.6
0.8
0.9
SWITCH CURRENT (A)
Figure 10. Saturation Voltage vs. Switch Current in Step-Down Mode
S 1400
1200
B 1000
O 800
QUIESCENT CURRENT @ TA = 25°C
400
399
398
2 4 6 8 10 12 15 18 21 24 27 30
INPUT VOLTAGE (V)
Figure 12. Oscillator Frequency vs. Input Voltage
0.8
VIN = 5V
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1
TA = 0°C
TA = 25°C
TA = 85°C
10
100
1k
RLIM (Ω)
Figure 13. Maximum Switch Current vs. RLIM in Step-Down Mode (5 V)
1.8
VIN = 12V
1.6
1.4
1.2
1.0
TA = 25°C
TA = 85°C
TA = 0°C
600
0.8
0.6
400
0.4
200
0.2
0
1.5 3.0 6
9 12 15 18 21 24 27 30
INPUT VOLTAGE (V)
0
1
10
100
1k
RLIM (Ω)
Figure 11. Quiescent Current vs. Input Voltage
Figure 14. Maximum Switch Current vs. RLIM in Step-Down Mode (12 V)
Rev. A | Page 6 of 16
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