S1135 Datasheet, PDF (26/48 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION LOW DROPOUT

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
S-1135 Series
Rev.2.2_00
3. Dropout Voltage vs. Output Current
VOUT = 1.0 V
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
0
−40°C
Ta = 85°C
25°C
50 100 150 200 250 300
IOUT [mA]
VOUT = 3.5 V
0.20
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0
0
Ta = 85°C
25°C
−40°C
50 100 150 200 250 300
IOUT [mA]
4. Dropout Voltage vs. Set Output Voltage
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
1.0
IOUT = 300 mA
150 mA
100 mA
50 mA 30 mA 10 mA _{1 mA}
1.5 2.0 2.5 3.0 3.5
VOUT(S) [V]
VOUT = 2.5 V
0.20
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0
0
Ta = 85°C
25°C
−40°C
50 100 150 200 250 300
IOUT [mA]
26
Seiko Instruments Inc.