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S8351 Datasheet(PDF) 37 Page - Seiko Instruments Inc

Part # S8351
Description  STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER
PDF  51 Pages
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Manufacturer  SII [Seiko Instruments Inc]
Direct Link  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc

S8351 Datasheet(HTML) 37 Page - Seiko Instruments Inc

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STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER
Rev.3.0_01
S-8351/8352 Series
37
Condition 3 S-8351A30MC
(a) Input voltage (VIN) vs. Output voltage (VOUT)
(Input voltage raising)
(b) Input voltage (VIN) vs. Output voltage (VOUT)
(Input voltage falling)
2.8
2.9
3.0
3.1
VIN [V]
2
3
4
1
0
3.2
2.6
2.7
IOUT
= 0.1 mA
IOUT
= 1 mA
IOUT
= 10 mA
IOUT
= 20 mA
IOUT
= 50 mA
2.8
2.9
3.0
3.1
VIN [V]
2
3
4
1
0
3.2
2.6
2.7
IOUT
= 0.1 mA
IOUT
= 1 mA
IOUT
= 10 mA
IOUT
= 20 mA
IOUT
= 50 mA
(c) Output current (IOUT) vs.Output voltage (VOUT)
(d) Output current (IOUT) vs. Efficiency (
η)
3.0
2.8
2.9
3.1
IOUT [mA]
100
150
200
50
0
3.2
2.6
2.7
250
VIN
= 1.0 V
VIN
= 1.5 V
VIN
= 1.8 V
VIN
= 2.0 V
VIN
= 2.5 V
50
60
70
IOUT [mA]
1
10
100
1000
0.1
0.01
VIN
= 1.0 V
VIN
= 1.5 V
VIN
= 1.8 V
VIN
= 2.0 V
VIN
= 2.5 V
80
90
Condition 4 S-8351A50MC
(a) Input voltage (VIN) vs. Output voltage (VOUT)
(Input voltage raising)
(b) Input voltage (VIN) vs. Output voltage (VOUT)
(Input voltage falling)
4.8
4.9
5.0
5.1
VIN [V]
2
3
5
1
0
5.2
4.6
4.7
4
6
IOUT
= 0.1 mA
IOUT
= 1 mA
IOUT
= 10 mA
IOUT
= 50 mA
IOUT
= 100 mA
IOUT
= 150 mA
4.8
4.9
5.0
5.1
VIN [V]
5.2
4.6
4.7
23
5
1
04
6
IOUT
= 0.1 mA
IOUT
= 1 mA
IOUT
= 10 mA
IOUT
= 50 mA
IOUT
= 100 mA
IOUT
= 150 mA
(c) Output current (IOUT) vs.Output voltage (VOUT)
(d) Output current (IOUT) vs. Efficiency (
η)
5.1
5.0
4.8
4.9
IOUT [mA]
100
150
200
50
0
5.2
4.6
4.7
250
VIN
= 1.5 V
VIN
= 2.0 V
VIN
= 3.0 V
60
70
80
90
IOUT [mA]
1
10
100
1000
0.1
0.01
100
VIN
= 1.0 V
VIN
= 1.5 V
VIN
= 2.0 V
VIN
= 3.0 V
VIN
= 4.0 V



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