S-1137 Datasheet, PDF (23/47 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION LOW DROPOUT SOFT-START FUNCTION CMOS VOLTAGE REGULATOR

HIGH RIPPLE-REJECTION LOW DROPOUT SOFT-START FUNCTION CMOS VOLTAGE REGULATOR
Rev.2.1_01
S-1137 Series
 Characteristics (Typical Data)
(1) Output Voltage vs. Output Current (When Load Current Increases) (Ta = 25°C)
VOUT = 1.2 V
1.6
1.4
1.2
1.0
VIN = 1.5 V
0.8
1.7 V
0.6
2.2 V
0.4
0.2
3.2 V
5.5 V
0
0 100 200 300 400 500 600 700
IOUT [mA]
VOUT = 2.5 V
3.0
2.5
2.0
VIN = 2.8 V
3.0 V
1.5
3.5 V
1.0
4.5 V
5.5 V
0.5
0
0
100 200 300 400 500 600 700
IOUT [mA]
VOUT = 3.5 V
4.0
3.5
3.0
2.5
VIN = 3.8 V
4.0 V
2.0
4.5 V
1.5
5.5 V
1.0
0.5
0
0 100 200 300 400 500 600 700
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 Table 10 in the “ Electrical
Characteristics”
2. The package power dissipation
(2) Output Voltage vs. Input Voltage (Ta = 25°C)
VOUT = 1.2 V
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
IOUT = 1 mA
IOUT = 30 mA
IOUT = 50 mA
IOUT = 100 mA
1.0 2.0 3.0 4.0 5.0 6.0
VIN [V]
VOUT = 3.5 V
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
IOUT = 1 mA
IOUT = 30 mA
IOUT = 50 mA
IOUT = 100 mA
1.0 2.0 3.0 4.0 5.0 6.0
VIN [V]
VOUT = 2.5 V
3.0
2.5
2.0
1.5
1.0
0.5
0
0
IOUT = 1 mA
IOUT = 30 mA
IOUT = 50 mA
IOUT = 100 mA
1.0 2.0 3.0 4.0 5.0 6.0
VIN [V]
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