S-19254E12H-E8T1U Datasheet, PDF (18/32 Pages) Seiko Instruments Inc – CMOS VOLTAGE REGULATOR WITH SOFT-START FUNCTION

FOR AUTOMOTIVE 105°C OPERATION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR WITH SOFT-START FUNCTION
S-19254xxxH Series
Rev.1.0_00
 Characteristics (Typical Data)
1. Output voltage vs. Output current (When load current increases) (Ta = +25°C)
1. 1 V_OUT = 1.0 V
1. 2 V_OUT = 3.0 V
1.2
3.6
1.0
0.8
VIN = 2.5 V
0.6
VIN = 3.0 V
0.4
3.0
VIN = 3.5 V
2.4
VIN = 4.0 V
1.8
VIN = 5.0 V
1.2
0.2
0.6
Remark
0.0
0.0
0 250 500 750 1000 1250 1500 1750 2000
0 250 500
IOUT [mA]
In determining the output current, attention should be paid to the following.
750 1000 1250 1500 1750 2000
IOUT [mA]
1. The minimum output current value and footnote *5 of Table 6 in " Electrical Characteristics"
2. Power dissipation
2. Output voltage vs. Input voltage (Ta = +25°C)
2. 1 V_OUT = 1.0 V
2. 2 V_OUT = 3.0 V
1.1
3.1
1.0
3.0
0.9
0.8
IOUT = 1 mA
0.7
IOUT = 50 mA
0.6
IOUT = 100 mA
0.5
01234567
VIN [V]
2.9
IOUT = 1 mA
2.8
IOUT = 50 mA
2.7
IOUT = 100 mA
2.6
2.5
2
3
4
5
6
7
VIN [V]
3. Dropout voltage vs. Output current
3. 1 V_OUT = 1.0 V
0.60
0.50
0.40
Tj = +150C
0.30 _{Tj = +25C}
0.20
0.10
0.00
0
Tj = 40C
200 400 600 800 1000 1200
IOUT [mA]
4. Dropout voltage vs. Junction temperature
4. 1 V_OUT = 3.0 V
0.30
0.25
0.20
0.15
0.10
0.05
0.00
−40 −25
IOUT = 300 mA
IOUT = 30 mA
0 25 50 75 100 125 150
Tj [C]
18