S-1121 Seiko Instruments, S-1121 Datasheet - Page 17

• Manufacturer Part Number: S-1121
• Description: (S-1111 / S-1121) HIGH RIPPLE-REJECTION LOW DROPOUT
• Manufacturer: Seiko Instruments

w w w . d a t a s h e e t 4 u . c o m
Rev.4.1
(1) Output Voltage vs. Output current (when load current increases)
S-1111B15 (Ta = 25 °C)
S-1111B50 (Ta = 25 °C)
(2) Output voltage vs. Input voltage
S-1111B15 (Ta = 25 °C)
S-1111B50 (Ta = 25 °C)
Remark The following, which describes the S-1111 Series as the typical product, shows typical data
Characteristics (Typical Data)
2.5
1.5
0.5
1.55
1.45
1.6
1.5
1.4
2
1
0
5.08
5.06
5.04
5.02
4.98
4.96
4.94
4.92
5.1
4.9
6
5
4
3
2
1
0
0
1
5
4.5
0
30 mA
_00
50 mA
common to the S-1121 Series.
30 mA
V
100
IN
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
100
= 1.8 V
1.5
6.0 V
6.5 V
5
200
2.0 V
200
2
50 mA
80 mA
5.5
I
I
300
OUT
OUT
6.5 V
V
V
300
80 mA
IN
IN
[mA]
[mA]
[V]
[V]
I
2.5
OUT
400
I
V
= 1 mA
OUT
400
6
IN
= 1 mA
= 5.3 V
2.5 V
3
500
500
6.5
5.5 V
3.5
600
600
Seiko Instruments Inc.
7
Remark In determining the output current,attention
S-1111B30 (Ta = 25 °C)
S-1111B30 (Ta = 25 °C)
3.05
2.95
2.85
2.9
2.8
3.5
2.5
1.5
0.5
3
4
3
2
1
0
2.5
30 mA
0
50 mA
should be paid to the following.
1) The minimum output current value
2) The package power dissipation
100
and footnote *5 in the electrical
characteristics
3
6.5 V
200
3.5
I
OUT
V
80 mA
IN
300
I
OUT
[mA]
[V]
= 1 mA
V
4
S-1111/1121 Series
IN
400
= 3.3 V
4.5
500
4.0 V
3.5 V
600
5
17