S1131 Datasheet, PDF (16/30 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION AND LOW DROPOUT

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
S-1131 Series
Rev.4.1_00
„ Characteristics (Typical Data)
(1) Output voltage vs. Output current (when load current increases)
S-1131B15 (Ta = 25°C)
S-1131B30 (Ta = 25°C)
2.5
2.0 V
2
1.5
1
0.5 ^{VIN = 1.8 V}
0
0
200
400
6.5 V
2.5 V
600
800
4
3.5
3
2.5
2
1.5
1
0.5
0
0
VIN = 3.3 V
200
3.5 V
400
IOUT [mA]
IOUT [mA]
4.0 V
6.5 V
600
800
S-1131B50 (Ta = 25°C)
6
5
4
VIN = 5.3 V
3
5.5 V
2
6.0 V
1
0
0
200
400
6.5 V
600
800
Remark In determining the output current, attention
should be paid to the following.
1) The minimum output current value and
footnote *5 of Table 6 in the “„ Electrical
Characteristics”
2) The package power dissipation
IOUT [mA]
(2) Output voltage vs. Input voltage
S-1131B15 (Ta = 25°C)
1.6
50 mA
1.55
30 mA
1.5
1.45
IOUT = 1 mA
80 mA
1.4
1
1.5
2
2.5
3
3.5
V_IN [V]
S-1131B50 (Ta = 25°C)
5.1
5.08
5.06
5.04
5.02
5
4.98
4.96
4.94
4.92
4.9
30 mA
IOUT = 1 mA
50 mA
80 mA
4.5
5
5.5
6
6.5
7
V_IN [V]
S-1131B30 (Ta = 25°C)
3.05
50 mA
3
30 mA
2.95
2.9
IOUT = 1 mA
80 mA
2.85
2.8
2.5
3
3.5
4
4.5
5
VIN [V]
16
Seiko Instruments Inc.