S-8352 Seiko Instruments, S-8352 Datasheet - Page 38

• Manufacturer Part Number: S-8352
• Description: (S-8351 / S-8352) SMALL PACKAGE PFM CONTROL STEP-UP SWITCHING REGULATOR
• Manufacturer: Seiko Instruments

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Condition 7 S-8352A30MC
(a) Input voltage (V
Condition 8 S-8352A30MC
(a) Input voltage (V
(c) Output current (I
38
(c) Output current (I
STEP-UP, SUPER-SMALL PACKAGE, PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER
S-8351/8352 Series
(Input voltage raising)
(Input voltage raising)
3.2
3.1
3.0
2.9
2.8
2.7
2.6
3.2
3.1
3.0
2.9
2.8
2.7
2.6
3.2
3.1
3.0
2.9
2.8
2.7
2.6
3.2
3.1
3.0
2.9
2.8
2.7
2.6
0
0
0
0
IN
IN
OUT
OUT
) vs. Output voltage (V
50
) vs. Output voltage (V
50
V
V
V
V
V
V
V
V
) vs.Output voltage (V
) vs.Output voltage (V
IN
IN
IN
IN
IN
IN
IN
IN
= 1.5 V
= 1.8 V
= 2.0 V
= 2.5 V
= 1.5 V
= 1.8 V
= 2.0 V
= 2.5 V
1
100 150 200
100 150 200
1
I
I
OUT
OUT
V
V
IN
IN
2
[mA]
2
[mA]
[V]
[V]
OUT
OUT
OUT
OUT
I
I
I
I
I
I
I
I
I
I
I
I
OUT
OUT
OUT
OUT
OUT
OUT
250 300 350
250 300 350
OUT
OUT
OUT
OUT
OUT
OUT
)
)
)
)
3
3
= 0.1 mA
= 1 mA
= 10 mA
= 50 mA
= 100 mA
= 150 mA
= 0.1 mA
= 1 mA
= 10 mA
= 50 mA
= 100 mA
= 150 mA
Seiko Instruments Inc.
4
4
(b) Input voltage (V
(d) Output current (I
(d) Output current (I
(b) Input voltage (V
(Input voltage falling)
(Input voltage falling)
90
80
70
60
50
90
80
70
60
50
3.2
3.1
3.0
2.9
2.8
2.7
2.6
0.01
3.2
3.1
3.0
2.9
2.8
2.7
2.6
0.01
0
0
IN
IN
OUT
OUT
) vs. Output voltage (V
0.1
) vs. Output voltage (V
0.1
) vs. Efficiency (η)
) vs. Efficiency (η)
1
1
V
V
V
V
V
V
V
V
1
I
I
IN
IN
IN
IN
IN
IN
IN
IN
1
OUT
OUT
V
= 1.5 V
= 1.8 V
= 2.0 V
= 2.5 V
= 1.5 V
= 1.8 V
= 2.0 V
= 2.5 V
V
IN
IN
[mA]
[mA]
2
2
[V]
[V]
10
10
OUT
OUT
I
I
I
I
I
I
I
I
I
I
I
I
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
)
)
100
100
3
= 0.1 mA
= 1 mA
= 0 mA
= 50 mA
= 100 mA
= 150 mA
3
= 0.1 mA
= 1 mA
= 10 mA
= 50 mA
= 100 mA
= 150 mA
Rev.2.0
1000
1000
4
4
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