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| S1142A Datasheet, PDF (19/32 Pages) Seiko Instruments Inc – HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION | |||
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HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_00
S-1142A/B Series
3. Dropout voltage vs. Output current
3. 1 VOUT = 2.0 V
1.6
1.4
Tj = +125ï°C
1.2
1.0
+25ï°C
0.8
0.6
0.4
ï ï40ï°C
0.2
0
0
50 100 150 200 250
IOUT [mA]
3. 3 VOUT = 12.0 V
0.50
0.45
0.40
Tj = ï«125ï°C
0.35
0.30
0.25
ï«25ï°C
0.20
0.15
0.10
ï40ï°C
0.05
0
0
50 100 150 200 250
IOUT [mA]
4. Dropout voltage vs. Temperature
4. 1 VOUT = 2.0 V
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
ï40 ï25 0
IOUT = 100 mA
10 mA
25 50 75 100 125
Tj [ï°C]
4. 3 VOUT = 12.0 V
0.30
0.25
0.20
0.15
0.10
0.05
0
ï40 ï25 0
IOUT = 100 mA
10 mA
25 50 75 100 125
Tj [ï°C]
3. 2 VOUT = 5.0 V
0.7
0.6
0.5
Tj = ï«125ï°C
0.4
ï«25ï°C
0.3
0.2
ï ï40ï°C
0.1
0
0
50 100 150 200 250
IOUT [mA]
4. 2 VOUT = 5.0 V
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
ï40 ï25 0
IOUT = 100 mA
10 mA
25 50 75 100 125
Tj [ï°C]
Seiko Instruments Inc.
19
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