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S-L2980A42MC-TF-U

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P23
HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
S-L2980 Series
Rev.5.1_00
Seiko Instruments Inc.
16
5. Output Voltage versus Ambient Temperature
S-L2980A15 S-L2980A30
1.47
1.48
1.49
1.50
1.51
1.52
1.53
–50 0
50
100
Ta [°C]
V
OUT
[V]
2.94
2.96
2.98
3.00
3.02
3.04
3.06
–50 0 50
100
Ta [°C]
V
OUT
[V]
S-L2980A50
4.90
4.95
5.00
5.05
5.10
–50 0
50
100
Ta [°C]
V
OUT
[V]
6. Line Regulation versus Ambient Temperature 7. Load Regulation versus Ambient Temperature
S-L2980Axx S-L2980Axx
0
10
20
30
40
–50 0
50
100
Ta [°C]
Δ
V
OUT1
[mV]
S-L2980A15
C
IN
=4.7
μ
F, C
L
=10
μ
F
S-L2980A30
S-L2980A50
0
10
20
30
40
–50 0 50
100
Ta [°C]
Δ
V
OUT2
[mV]
S-L2980A15
C
IN
=4.7
μ
F, C
L
=10
μ
F
S-L2980A30
S-L2980A50
HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.5.1_00
S-L2980 Series
Seiko Instruments Inc.
17
8. Threshold Voltage of ON/OFF Pin versus Input Voltage
S-L2980A15
R
L
=100 Ω, C
IN
=4.7 μF, C
L
=10 μF
V
SH /
V
SL
[V]
10
V
IN
[V]
0
0.0
1.5
1.0
0.5
8
6
4
2
Ta =
−
40
°C
85
°C
25°C
Ta =
−
40
°C
25
°C
85
°C
9. Current Consumption versus Input Voltage
S-L2980A15 S-L2980A30
0
20
40
60
80
100
0 2 4 6 8
10
V
IN
[V]
I
SS1
[μA]
25°C 85°C
Ta=–40°C
0
20
40
60
80
100
0 2 4 6
8
10
V
IN
[V]
I
SS1
[μA]
25°C
85°C
Ta=–40°C
S-L2980A50
0
20
40
60
80
100
0 2 4 6 8
10
V
IN
[V]
I
SS1
[μA]
25°C
85°C
Ta=–40°C
10. Ripple Rejection
S-L2980A30 (Ta=25°C) S-L2980A50 (Ta=25°C)
0
20
40
60
80
100
Frequency [Hz]
Ripple Rejection [dB]
V
IN
=4.0 V, C
L
=2.2 μF
10
100
1 k 10 k
100 k
1 M
50 mA
I
OUT
=1 mA
0
20
40
60
80
100
Frequency [Hz]
Ripple Rejection [dB]
V
IN
=6.0 V, C
L
=2.2 μF
10
100
1 k
10 k
100 k
1 M
50 mA
I
OUT
=1 mA
HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
S-L2980 Series
Rev.5.1_00
Seiko Instruments Inc.
18
Reference Data
1. Transient Response Characteristics (S-L2980A30MC, Typical data, Ta=25°C)
Overshoot
Input voltage
or
Load current
Output voltage
Undershoot
1-1. Power Source Fluctuation
Overshoot Undershoot
TIME (20
μ
s / div.)
V
OUT
[V]
V
IN
C
L
=2.2
μ
F
V
IN
, V
ON/OFF
=4.0 →5.0 V, I
OUT
=1.0 mA
5.0
4.0
3.10
3.05
3.0
V
IN
V
OUT
V
IN
[V]
TIME (20
μ
s / div.)
V
OUT
[V]
V
IN
C
L
=2.2
μ
F
5.0
4.0
3.10
3.05
3.0
V
IN
, V
ON/OFF
=5.0→4.0 V, I
OUT
=1.0 mA
V
OUT
V
IN
[V]
Overshoot Undershoot
TIME (20
μ
s / div.)
V
OUT
[V]
V
IN
C
L
=2.2
μ
F
5.0
4.0
3.10
3.05
3.0
V
IN
, V
ON/OFF
=4.0→5.0 V, I
OUT
=50 mA
V
IN
[V]
V
OUT
TIME (20
μ
s / div.)
V
OUT
[V]
V
IN
C
L
=2.2 μF
V
IN
, V
ON/OFF
=5.0→4.0 V, I
OUT
=50 mA
5.0
4.0
3.10
3.05
3.0
V
OUT
V
IN
[V]
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P23

S-L2980A42MC-TF-U

Mfr. #:
Buy S-L2980A42MC-TF-U
Manufacturer:
ABLIC
Description:
LDO Voltage Regulators Linear LDO Reg Hi 90uA Iq 150mA Iout
Lifecycle:
New from this manufacturer.
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