S1131 Datasheet, PDF (17/30 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION AND LOW DROPOUT

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.4.1_00
S-1131 Series
(3) Dropout voltage vs. Output current
S-1131B15
1.0
0.8
85°C
25°C
0.6
0.4
–40°C
0.2
0
0 50 100 150 200 250 300 350
IOUT [mA]
S-1131B50
1.0
0.8
0.6
0.4
0.2
0
0
85°C
25°C
–40°C
50 100 150 200 250 300 350
IOUT [mA]
(4) Dropout voltage vs. Set output voltage
0.4
0.35 ^{150 mA}
0.3
0.25 ^{100 mA}
0.2
0.15 _{50 mA}
0.1 _{30 mA}
0.05 _{10 mA}
0
01234567
VOUT(S) [V]
S-1131B30
1.0
0.8
0.6
85°C
25°C
0.4
0.2
0
0
–40°C
50 100 150 200 250 300 350
IOUT [mA]
Seiko Instruments Inc.
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