S-1721 Seiko Instruments, S-1721 Datasheet - Page 22

• Manufacturer Part Number: S-1721
• Description: SUPER-SMALL PACKAGE 2-CIRCUIT HIGH RIPPLE-REJECTION LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
• Manufacturer: Seiko Instruments

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(1) Output Voltage vs. Output Current (When Load Current Increases) (Ta = 25°C)
(2) Output Voltage vs. Input Voltage (Ta = 25°C)
22
SUPER-SMALL PACKAGE 2-CIRCUIT HIGH RIPPLE-REJECTION LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1721 Series
V
V
V
V
OUT
OUT
OUT
OUT
Characteristics (Typical Data) (Per Circuit)
= 1.2 V
= 5.0 V
= 1.2 V
= 5.0 V
1.30
1.25
1.20
1.15
1.10
1.05
1.00
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
0
6
5
4
3
2
1
0
1.0
4.5
0
0
V
IN
1.5
= 1.5 V
100
100
5.0
I
I
OUT
OUT
1.7 V
2.2 V
3.2 V
6.5 V
I
I
OUT
OUT
V
= 1 mA
= 50 mA
IN
2.0
I
I
= 50 mA
= 1 mA
= 5.3 V
OUT
OUT
V
V
5.5 V
6.0 V
6.5 V
200
200
5.5
IN
IN
[mA]
[mA]
[V]
[V]
2.5
300
300
6.0
3.0
Seiko Instruments Inc.
400
400
3.5
6.5
Remark In determining the output current, attention should
V
V
OUT
OUT
= 3.0 V
= 3.0 V
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
be paid to the following.
1. The minimum output current value and
2. The package power dissipation
2.5
0
footnote *5 in Table 7 in the “ Electrical
Characteristics”
3.0
100
I
I
OUT
OUT
V
IN
3.5
= 1 mA
= 50 mA
I
OUT
= 3.3 V
V
200
3.5 V
4.0 V
5.0 V
6.5 V
IN
[mA]
[V]
4.0
300
4.5
Rev.1.1
400
5.0
_00