LV5980MC Datasheet, PDF (15/16 Pages) Sanyo Semicon Device – Low power consumption and high efficiency Step-down Switching Regulator

LV5980MC
Characterization Curves at Ta = 25°C, VIN = 15V
Light Load Mode Consumption Current
90
Internal Reference Voltage
1.26
80
70
1.25
60
1.24
50
40
1.23
30
20
10
0
--50 --25
0
25
50
75 100 125 150
Temperature -- °C
1.22
1.21
--50 --25
0
25
50
75 100 125 150
Temperature -- °C
Output on resistance
160
Current limit peak
5
140
4.9
120
4.8
100
4.7
80
4.6
60
4.5
40
4.4
20
0
--50 --25
0
25
50
75 100 125 150
Temperature -- °C
Oscillatory Frequency
400
390
380
370
360
350
340
330
320
310
300
--50 --25
0
25
50
75 100 125 150
Temperature -- °C
Soft Start Source Current
2
4.3
4.2
--50 --25
3.8
0
25
50
75 100 125 150
Temperature -- °C
UVLO
3.7
UVLO release voltage
3.6
3.5
3.4
UVLO lock voltage
3.3
3.2
--50 --25
0
25
50
75 100 125 150
Temperature -- °C
HICCUP Timer Discharge Current
0.33
0.31
1.9
0.29
1.8
0.27
0.25
1.7
0.23
1.6
1.5
--50 --25
0
25
50
75 100 125 150
Temperature -- °C
0.21
0.19
0.17
--50 --25
0
25
50
75 100 125 150
Temperature -- °C
No.A2104-15/16