AS1337
Datasheet - Typical Operating Characteristics
7 Typical Operating Characteristics
VOUT = 3.3V, CIN = 10µF, COUT = 22µF, L1 = 4.7µH, TAMB = +25°C (unless otherwise specified).
Figure 3. Efficiency vs. IOUT - Down Conversion Mode
Figure 4. Efficiency vs. IOUT - Step-up Mode
100
100
90
80
70
60
50
90
80
70
60
50
Vin = 1.5V
Vin = 3.5V
40
40
30
Vin =2.0V
Vin =3.0V
Vin =4.0V
30
0.1
1
10
100
1000
0.1
1
10
100
1000
Output Current (mA)
Output Current (mA)
Figure 5. Efficiency vs. Input Voltage
Figure 6. Output Current vs. Input Voltage
100
500
90
80
70
60
50
40
30
400
300
200
100
0
Iout = 1mA
Iout = 10mA
Iout = 30mA
Iout = 100mA
Iout = 200mA
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
Input Voltage (V)
0.5
1
1.5
2
2.5
3
3.5
4
4.5
Input Voltage (V)
Figure 7. Min. Operating Voltage vs. Temperature
Figure 8. Switching Frequency vs. Temperature
0.85
1.5
1.4
1.3
1.2
1.1
1
0.75
0.65
0.55
0.45
0.35
0.9
-45 -30 -15
0
15 30 45 60 75 90
-45 -30 -15
0
15 30 45 60 75 90
Temperature (°C)
Temperature (°C)
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