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S8351 Datasheet(PDF) 41 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) 41 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
41
Condition 11 S-8352A50MC
(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
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
5.2
VIN [V]
23
5
1
4.8
4.9
5.0
5.1
5.2
4.6
4.7
0
4
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)
4.8
4.9
5.0
5.1
IOUT [mA]
4.6
4.7
100
200
300
50
0
400
150
250
350
450
VIN
= 1.5 V
VIN
= 2.0 V
VIN
= 3.0 V
VIN
= 4.0 V
5.2
50
60
70
90
80
IOUT [mA]
1
10
100
1000
0.1
0.01
VIN
= 2.0 V
VIN
= 3.0 V
VIN
= 4.0 V
Condition 12 S-8352A50MC
(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
4.8
4.9
5.0
5.2
VIN [V]
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
5.1
(c) Output current (IOUT) vs.Output voltage (VOUT)
(d) Output current (IOUT) vs. Efficiency (
η)
4.8
4.9
5.0
5.1
IOUT [mA]
5.2
4.6
4.7
100
200
300
50
0
400
150
250
350
450
VIN
=2.0 V
VIN
=3.0 V
VIN
=4.0 V
50
60
70
80
IOUT [mA]
1
10
100
1000
0.1
0.01
90
VIN
= 3.0 V
VIN
= 4.0 V



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