S-L2980_1 Datasheet, PDF (15/23 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR

Rev.4.1_00
HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
S-L2980 Series
3. Output voltage versus Input voltage
S-L2980A15 (Ta=25°C)
1.60
1.55
I_OUT=1.0 mA
1.50
100 mA
1.45
50 mA
30 mA
1.40
1.0 1.5 2.0 2.5 3.0 3.5
V_IN [V]
S-L2980A50 (Ta=25°C)
5.20
5.10
I_OUT=1.0 mA
5.00
100 mA
4.90
50 mA
30 mA
4.80
4.5 5.0 5.5 6.0 6.5 7.0
V_IN [V]
4. Dropout voltage versus Output voltage
S-L2980A15
600
500
400
300
200
100
0
0
S-L2980A50
350
300
250
200
150
100
50
0
0
85°C
25°C
Ta=–40°C
50
100
150
I_OUT [mA]
85°C
25°C
Ta=–40°C
50
100
150
I_OUT [mA]
S-L2980A30 (Ta=25°C)
3.15
3.10
3.05
I_OUT=1.0 mA
3.00
2.95
100 mA
2.90
2.85
2.5 3.0
50 mA
30 mA
3.5 4.0
4.5 5.0
V_IN [V]
S-L2980A30
400
350
300
250
200
150
100
50
0
0
85°C
25°C
Ta=–40°C
50
100
150
I_OUT [mA]
Seiko Instruments Inc.
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