AIC1554 Ver la hoja de datos (PDF) - Analog Intergrations
Número de pieza
componentes Descripción
Lista de partido
AIC1554 Datasheet PDF : 15 Pages
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AIC1555
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
100
90
SYNC= GND
80
70
W/ Schottky Diode
W/o Schottky Diode
60
SYNC= VIN
50
40
VOUT=3.0V
30
0.1
1
10
100
Load Current (mA)
1000
Fig. 7 Load Current vs. Efficiency (W/ or W/O Schottky Diode)
0.765
0.760 VIN=3.6V
0.755
0.750
0.745
0.740
0.735
0.730
0.725
-50
-25
0
25
50
75
100 125
Temperature (°C)
Fig. 8 Reference Voltage vs. Temperature
550
540 VIN=3.6V
530
520
510
500
490
480
470
460
450
-40 -20
0
20 40 60
Temperature (°C)
80 100 120
Fig. 9 Oscillator Frequency vs. Temperature
550
540
530
520
510
500
490
480
470
460
450
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Supply Voltage (V)
Fig. 10 Frequency vs. Input Voltage
0.44
0.42
0.40
Main Switch
0.38
0.36
0.34
0.32
0.30
0.28 Synchronous Switch
0.26
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Supply Voltage (V)
Fig. 11 RDSON vs. Supply Voltage
1.82
1.80
VIN=3.6V
1.78
1.76
1.74
1.72
1
10
100
1000
Load Current (mA)
Fig. 12 Output Voltage vs. Load Current
6
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