S1172 Datasheet, PDF (18/35 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION LOW DROPOUT

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR
S-1172 Series
Rev.2.2_01
 Characteristics (Typical Data)
1. Output voltage vs. Output current (When load current increases) (Ta = +25°C)
S-1172B10
1.2
1.0
0.8
0.6
0.4
0.2
0
0
VIN = 1.5 V
400 800 1200
IOUT [mA]
5.5 V
3.0 V
2.0 V
1600 2000
S-1172B30
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
VIN = 3.5 V
5.0 V
4.0 V
5.5 V
400 800 1200 1600 2000
IOUT [mA]
S-1172B50
6
5
4
3
2
1
0
0
VIN = 5.3 V
5.5 V
400 800 1200 1600 2000
IOUT [mA]
Remark In determining the output current, attention
should be paid to the following.
1. The minimum output current value and
footnote *5 of Table 7 in “ Electrical
Characteristics”
2. Power dissipation of the package
2. Output voltage vs. Input voltage (Ta = +25°C)
S-1172B10
1.1
1.0
0.9
IOUT = 1 mA
0.8
50 mA
100 mA
0.7
0.6
0.5
0.5 1.0 1.5 2.0 2.5 3.0
VIN [V]
S-1172B30
3.1
3.0
2.9
2.8
IOUT = 1 mA
50 mA
100 mA
2.7
2.6
2.5
2.5 3.0 3.5 4.0 4.5 5.0
VIN [V]
S-1172B50
5.1
5.0
IOUT = 1 mA
4.9
4.8
50 mA
100 mA
4.7
4.6
4.5
4.5
4.7 4.9 5.1 5.3 5.5
VIN [V]
18
Seiko Instruments Inc.