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S-8351A50MC-J3JT2G Datasheet, PDF (39/51 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
Rev.3.0_00
S-8351/8352 Series
Condition 7 S-8352A30MC
(a) Input voltage (VIN) vs. Output voltage (VOUT)
(Input voltage raising)
3.2
3.1
3.0
2.9
2.8
2.7
2.6
0
IOUT = 0.1 mA
IOUT = 1 mA
IOUT = 10 mA
IOUT = 50 mA
IOUT = 100 mA
IOUT = 150 mA
1
2
3
4
VIN [V]
(c) Output current (IOUT) vs.Output voltage (VOUT)
3.2
3.1
3.0
2.9
2.8
2.7
2.6
0
VIN = 1.5 V
VIN = 1.8 V
VIN = 2.0 V
VIN = 2.5 V
50 100 150 200 250 300 350
IOUT [mA]
Condition 8 S-8352A30MC
(a) Input voltage (VIN) vs. Output voltage (VOUT)
(Input voltage raising)
3.2
3.1
3.0
2.9
IOUT = 0.1 mA
IOUT = 1 mA
2.8
IOUT = 10 mA
IOUT = 50 mA
2.7
IOUT = 100 mA
IOUT = 150 mA
2.6
0
1
2
3
4
VIN [V]
(c) Output current (IOUT) vs.Output voltage (VOUT)
3.2
3.1
3.0
2.9
2.8
VIN = 1.5 V
VIN = 1.8 V
2.7
VIN = 2.0 V
2.6
VIN = 2.5 V
0 50 100 150 200 250 300 350
IOUT [mA]
(b) Input voltage (VIN) vs. Output voltage (VOUT)
(Input voltage falling)
3.2
3.1
3.0
2.9
2.8
2.7
2.6
0
IOUT = 0.1 mA
IOUT = 1 mA
IOUT = 0 mA
IOUT = 50 mA
IOUT = 100 mA
IOUT = 150 mA
1
2
3
4
VIN [V]
(d) Output current (IOUT) vs. Efficiency (η)
90
80
70
60
50
0.01 0.1
VIN = 1.5 V
VIN = 1.8 V
VIN = 2.0 V
VIN = 2.5 V
1
10
IOUT [mA]
100 1000
(b) Input voltage (VIN) vs. Output voltage (VOUT)
(Input voltage falling)
3.2
3.1
3.0
2.9
2.8
2.7
2.6
0
IOUT = 0.1 mA
IOUT = 1 mA
IOUT = 10 mA
IOUT = 50 mA
IOUT = 100 mA
IOUT = 150 mA
1
2
3
4
VIN [V]
(d) Output current (IOUT) vs. Efficiency (η)
90
80
70
VIN = 1.5 V
60
VIN = 1.8 V
VIN = 2.0 V
VIN = 2.5 V
50
0.01 0.1
1
10 100 1000
IOUT [mA]
Seiko Instruments Inc.
39
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