
AS1329
Datasheet - Ty p i c a l O p e r a t i n g C h a r a c t e r i s t i c s
7 Typical Operating Characteristics
All measurements are performed with AS1329A, V OUT = 3.3V, T AMB = +25oC, unless otherwise specified.
Parts used for measurements: L= 10μH (MOS6020-103ML), C IN and C OUT = 10μF (GRM31CR70J106KA01L)
Figure 3. V OUT vs. Battery Voltage; I OUT = 10mA
3.5
3
2.5
Figure 4. V OUT vs. Temperature; I OUT = 10mA
3.36
3.34
3.32
2
3.3
1.5
1
0.5
0
3.28
3.26
3.24
0
0.5
1
1.5
2
2.5
3
3.5
-50
-25
0
25
50
75
100
Battery Voltage (V)
Figure 5. Startup Voltage vs. Output Current
1.8
Temperature (°C)
Figure 6. Powersave threshold vs. Input Voltage
120
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1
0.9
0.8
0.7
Vout = 3.3V
Vout = 5.0V
100
80
60
40
20
0
AS1329A
AS1329B
0.1
1
10
100
1
1.25
1.5
1.75
2
2.25
2.5
Output Current (mA)
Figure 7. I OUT vs. V BATT ; V OUT = 3.3V, 3% Tolerance
1000
900
800
700
600
500
400
300
200
100
0
Battery Voltage (V)
Figure 8. I OUT vs. V BATT ; V OUT = 5.0V, 3% Tolerance
900
800
700
600
500
400
300
200
100
0
0.5
1
1.5
2
2.5
3
0.5
1
1.5
2
2.5
3
3.5
4
Battery Voltage (V)
www.ams.com/DC-DC_Step-Up/AS1329
Revision 1.12
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