S-1170B Seiko Instruments, S-1170B Datasheet - Page 17

• Manufacturer Part Number: S-1170B
• Description: Voltage Regulator
• Manufacturer: Seiko Instruments

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HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.3.0
(1) Output Voltage vs. Output current (when load current increases)
S-1170B15 (Ta = 25°C)
S-1170B50 (Ta = 25°C)
(2) Output voltage vs. Input voltage
S-1170B15 (Ta = 25°C)
S-1170B50 (Ta = 25°C)
Typical Characteristics
5.1
5.0
4.9
4.8
4.7
4.6
4.5
1.6
1.5
1.4
1.3
1.2
1.1
1.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
6
5
4
3
2
1
0
0
4.5
1.0
0
0
_00
200
200
5.0
1.5
I
OUT
6.5 V
I
OUT
300 mA
100 mA
400
= 1 mA
400
10 mA
V
100 mA
300 mA
IN
= 1 mA
5.5
2.0
10 mA
I
I
OUT
OUT
= 2.0 V
V
V
V
IN
IN
600
600
[mA]
IN
[mA]
[V]
[V]
= 5.5 V
6.0 V
6.5 V
2.5
6.0
2.5 V
800
800
3.0
1000 1200
1000 1200
6.5
Seiko Instruments Inc.
3.5
7.0
S-1170B30 (Ta = 25°C)
S-1170B30 (Ta = 25°C)
Remark In determining the output current, attention
3.5
3.0
2.5
2.0
1.5
1.0
0.5
3.1
3.0
2.9
2.8
2.7
2.6
2.5
0
2.5
0
should be paid to the following.
1)
2)
200
The minimum output current value
and footnote *5 in the electrical
characteristics
The package power dissipation
3.0
I
V
OUT
6.5 V
400
IN
3.5
= 3.5 V
100 mA
300 mA
= 1 mA
I
OUT
10 mA
V
IN
600
[mA]
[V]
4.0 V
4.0
800
S-1170 Series
4.5
1000
1200
5.0
17