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S-8351A50MC-J3JT2G Datasheet, PDF (38/51 Pages) Seiko Instruments Inc – STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER
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STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER
S-8351/8352 Series
Rev.3.0_00
Condition 5 S-8351A50MC
(a) Input voltage (VIN) vs. Output voltage (VOUT)
(Input voltage raising)
5.2
5.1
5.0
4.9
4.8
4.7
4.6
01
IOUT = 0.1 mA
IOUT = 1 mA
IOUT = 10 mA
IOUT = 50 mA
IOUT = 100 mA
IOUT = 150 mA
2 34 5 6
VIN [V]
(c) Output current (IOUT) vs.Output voltage (VOUT)
5.2
5.1
VIN = 1.5 V
VIN = 2.0 V
5.0
VIN = 3.0 V
4.9
4.8
4.7
4.6
0
50 100 150 200 250
IOUT [mA]
Condition 6 S-8351A50MC
(a) Input voltage (VIN) vs. Output voltage (VOUT)
(Input voltage raising)
5.2
5.1
5.0
4.9
4.8
4.7
4.6
01
23
VIN [V]
IOUT = 0.1 mA
IOUT = 1 mA
IOUT = 10 mA
IOUT = 50 mA
IOUT = 100 mA
IOUT = 150 mA
4 56
(c) Output current (IOUT) vs.Output voltage (VOUT)
5.2
VIN = 1.5 V
5.1
VIN = 2.0 V
VIN = 3.0 V
5.0
4.9
4.8
4.7
4.6
0
50 100 150 200 250
IOUT [mA]
(b) Input voltage (VIN) vs. Output voltage (VOUT)
(Input voltage falling)
5.2
5.1
5.0
4.9
IOUT = 0.1 mA
IOUT = 1 mA
4.8
IOUT = 10 mA
IOUT = 50 mA
4.7
IOUT = 100 mA
4.6
IOUT = 150 mA
0 1 2 34 5 6
VIN [V]
(d) Output current (IOUT) vs. Efficiency (η)
100
90
80
70
60
0.01 0.1
VIN = 1.0 V
VIN = 1.5 V
VIN = 2.0 V
VIN = 3.0 V
VIN = 4.0 V
1
10 100
IOUT [mA]
1000
(b) Input voltage (VIN) vs. Output voltage (VOUT)
(Input voltage falling)
5.2
5.1
5.0
4.9
4.8
4.7
4.6
0
IOUT = 0.1 mA
IOUT = 1 mA
IOUT = 10 mA
IOUT = 50 mA
IOUT = 100 mA
IOUT = 150 mA
12 3 4 5 6
VIN [V]
(d) Output current (IOUT) vs. Efficiency (η)
90
80
70
60
50
0.01 0.1
VIN = 1.0 V
VIN = 1.5 V
VIN = 2.0 V
VIN = 3.0 V
VIN = 4.0 V
1 10
IOUT [mA]
100 1000
38
Seiko Instruments Inc.
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