S-13R1 Datasheet, PDF (26/49 Pages) Seiko Instruments Inc – REVERSE CURRENT PROTECTION CMOS VOLTAGE REGULATOR

REVERSE CURRENT PROTECTION CMOS VOLTAGE REGULATOR
S-13R1 Series
Rev.1.2_01
3. Dropout voltage vs. Output current
3. 1 VOUT(S) = 1.2 V
0.50
0.45
0.40
Ta = +85°C
0.35
Ta = +25°C
0.30
Ta = −40°C
0.25
0.20
0.15
0.10
0.05
0
0 25 50 75 100 125 150
IOUT [mA]
3. 3 VOUT(S) = 4.0 V
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
0
Ta = +85°C
Ta = +25°C
Ta = −40°C
25 50 75 100 125 150
IOUT [mA]
3. 2 VOUT(S) = 3.0 V
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
0
Ta = +85°C
Ta = +25°C
Ta = −40°C
25 50 75 100 125 150
IOUT [mA]
4. Dropout voltage vs. Set output voltage
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
IOUT = 150 mA
IOUT = 100 mA
IOUT = 30 mA
IOUT = 10 mA
IOUT = 1 mA
1.0 1.6 2.2 2.8 3.4 4.0
VOUT(S) [V]
Remark In dashed line areas, the reverse current protection mode and the normal operation mode are repeated.
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