AIC1550
ꢀTYPICAL PERFORMANCE CHARACTERISTICS (continued)
0.765
100
W/ Schottky Diode
0.760
VIN=3.6V
90
SYNC= GND
0.755
80
Wo/ Schottky Diode
0.750
70
0.745
60
SYNC= VIN
0.740
50
0.735
40
VOUT=3.0V
0.730
30
0.1
0.725
1
10
100
1000
-50
-25
0
25
50
75
100
125
Load Current (mA)
Temperature (°C)
Fig. 8 Reference Voltage vs. Temperature
Fig. 7 Load Current vs. Efficiency (W/ or W/O Schottky Diode)
550
550
540
530
520
510
500
490
480
470
460
450
540
VIN=3.6V
530
520
510
500
490
480
470
460
450
-40
-20
0
20
40
60
80
100
120
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Temperature ( C)
°
Supply Voltage (V)
Fig. 10 Frequency vs. Input Voltage
Fig. 9 Oscillator Frequency vs. Temperature
1.82
1.80
1.78
1.76
1.74
1.72
0.44
0.42
0.40
0.38
0.36
0.34
0.32
0.30
0.28
0.26
Main Switch
V =3.6V
IN
Synchronous Switch
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
1
10
100
1000
Supply Voltage (V)
Load Current (mA)
Fig. 12 Output Voltage vs. Load Current
Fig. 11
R
DSON
vs. Supply Voltage
6
AIC [ ANALOG INTERGRATIONS CORPORATION ]
