AS1322_1 Datasheet, PDF (6/17 Pages) ams AG – Low Voltage, Micropower, DC-DC Step-Up Converters

AS1322
Data Sheet - Typical Operating Characteristics
Figure 9. Output Current vs. Battery Voltage;
VOUT = 5.0V, 3% Tolerance
900
800
700
600
500
400
300
200
100
0
0.5 1 1.5 2 2.5 3 3.5 4
Battery Voltage (V)
Figure 11. SW Pin Antiringing Operation
VIN = 1.3V, VOUT = 3.3V, L = 10µH, C = 10µF, IOUT = 5mA
Figure 10. No Load Battery Current vs. VBATT
VOUT = 3.3V, TAMB = 25ºC
1000
100
10
1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8 3
Battery Voltage (V)
Figure 12. SW Pin Fixed Frequency Continuous Current
VIN = 1.3V, VOUT = 3.3V, L = 10µH, C = 10µF, IOUT = 100mA
100ns/Div
Figure 13. VOUT Transient Response.
VIN = 1.3V, VOUT = 3.3V, L = 10µH, C = 10µF
100ns/Div
Figure 14. Fixed Frequency vs. Powersave Operation
VIN = 1.3V, VOUT = 3.3V, L = 10µH, C = 10µF
100µs/Div
10ms/Div
Parts used for measurments: 10µH (MOS6020-103ML) Inductor, 10µF (GRM31CR70J106KA01L) CIN and COUT
www.austriamicrosystems.com
Revision 1.07
6 - 17