S-1170 Datasheet, PDF (17/29 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION AND LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.3.0_02
S-1170 Series
„ Typical Characteristics
(1) Output Voltage vs. Output current (when load current increases)
S-1170B15 (Ta = 25°C)
S-1170B30 (Ta = 25°C)
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
VIN = 2.0 V
6.5 V
2.5 V
200 400 600 800 1000 1200
IOUT [mA]
S-1170B50 (Ta = 25°C)
6
5
4
VIN = 5.5 V
3
6.0 V
2
6.5 V
1
0
0 200 400 600 800 1000 1200
IOUT [mA]
(2) Output voltage vs. Input voltage
S-1170B15 (Ta = 25°C)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
VIN = 3.5 V
4.0 V
6.5 V
200 400 600 800 1000 1200
IOUT [mA]
Remark In determining the output current, attention
should be paid to the following.
1) The minimum output current value
and footnote *5 in the “„ Electrical
Characteristics”
2) The package power dissipation
S-1170B30 (Ta = 25°C)
1.6
1.5
1.4
1.3
1.2
1.1
1.0
1.0
IOUT = 1 mA
10 mA
100 mA
300 mA
1.5
2.0
2.5
VIN [V]
S-1170B50 (Ta = 25°C)
5.1
5.0
4.9
4.8
4.7
4.6
4.5
4.5
IOUT = 1 mA
10 mA
100 mA
300 mA
5.0
5.5
6.0
VIN [V]
3.0 3.5
6.5 7.0
3.1
3.0
2.9
2.8
IOUT = 1 mA
10 mA
2.7
100 mA
2.6
300 mA
2.5
2.5
3.0 3.5
4.0
4.5
5.0
VIN [V]
Seiko Instruments Inc.
17