S-8352 Seiko Instruments, S-8352 Datasheet - Page 39

• 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 9 S-8352A30MC
(a) Input voltage (V
(c) Output current (I
(a) Input voltage (V
(c) Output current (I
Condition 10 S-8352A50MC
Rev.2.0
(Input voltage raising)
(Input voltage raising)
STEP-UP, SUPER-SMALL PACKAGE, PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER
3.2
3.1
3.0
2.9
2.8
2.7
2.6
5.2
5.1
5.0
4.9
4.8
4.7
4.6
3.2
3.1
3.0
2.9
2.8
2.7
2.6
5.2
5.1
5.0
4.9
4.8
4.7
4.6
0
_00
0
0
0
50
IN
IN
50
OUT
OUT
) vs. Output voltage (V
) vs. Output voltage (V
1
) vs.Output voltage (V
) vs.Output voltage (V
100
100 150 200
1
150
2
I
200
OUT
I
V
OUT
V
IN
IN
3
2
[mA]
250
[V]
[V]
[mA]
OUT
OUT
300
250 300 350
OUT
OUT
I
I
I
I
I
I
4
OUT
OUT
OUT
OUT
OUT
OUT
V
V
V
V
I
I
I
I
I
I
)
)
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
IN
)
)
V
V
V
V
350
3
= 0.1 mA
= 1 mA
= 10 mA
= 50 mA
= 100 mA
= 150 mA
IN
IN
IN
IN
= 1.5 V
= 1.8 V
= 2.0 V
= 2.5 V
= 0.1 mA
= 1 mA
= 10 mA
= 50 mA
= 100 mA
= 150 mA
= 1.5 V
= 2.0 V
= 3.0 V
= 4.0 V
5
400
Seiko Instruments Inc.
450
6
4
(d) Output current (I
(b) Input voltage (V
(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
0.01
5.2
5.1
5.0
4.9
4.8
4.7
4.6
0
0
IN
IN
OUT
OUT
) vs. Output voltage (V
) vs. Output voltage (V
0.1
0.1
) vs. Efficiency (η)
) vs. Efficiency ( η )
1
1
V
V
V
V
2
I
1
1
IN
IN
IN
IN
I
OUT
OUT
= 1.5 V
= 1.8 V
= 2.0 V
= 2.5 V
V
V
IN
IN
[mA]
[mA]
2
3
S-8351/8352 Series
[V]
[V]
10
10
I
I
I
I
I
I
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
4
I
I
I
I
I
I
OUT
OUT
OUT
OUT
OUT
OUT
V
V
V
)
)
= 0.1 mA
= 1 mA
= 10 mA
= 50 mA
= 100 mA
= 150 mA
100
IN
IN
IN
100
3
= 0.1 mA
= 1 mA
= 10 mA
= 50 mA
= 100 mA
= 150 mA
= 2.0 V
= 3.0 V
= 4.0 V
5
1000
1000
6
4
39