S-1121 Seiko Instruments, S-1121 Datasheet - Page 20

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

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20
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1111/1121 Series
(7) Ripple rejection
S-1111B15 (Ta = 25 °C)
V
S-1111B50 (Ta = 25 °C)
V
IN
IN
= 2.5 V, C
= 6.0 V, C
100
80
60
40
20
100
0
80
60
40
20
0
10
OUT
OUT
10
= 2.2 μF
= 2.2 μF
100
100
Frequency [Hz]
Frequency [Hz]
1 k
1 k
10 k
10 k
30 mA
30 mA
I
OUT
100 k
50 mA
I
OUT
100 k
50 mA
= 1 mA
= 1 mA
Seiko Instruments Inc.
1 M
1 M
S-1111B30 (Ta = 25 °C)
V
IN
= 4.0 V, C
100
80
60
40
20
0
10
OUT
= 2.2 μF
100
Frequency [Hz]
1 k
10 k
30 mA
I
OUT
100 k
50 mA
Rev.4.1
= 1 mA
1 M
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