S-8355 Seiko Instruments, S-8355 Datasheet - Page 58
S-8355
Manufacturer Part Number
S-8355
Description
(S-8355 - S-8358) PWM/PFM SWITCHING CONTROL STEP-UP SWITCHING REGULATOR
Manufacturer
Seiko Instruments
Datasheet
1.S-8355.pdf
(76 pages)
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58
STEP-UP, SUPER-SMALL PACKAGE, 600 kHz, PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8355/56/57/58 Series
Condition 4 S-8357B33
Condition 5 S-8358B33
Condition 6 S-8357B50
Condition 7 S-8357M50
(a) Output current (I
(a) Output current (I
(a) Output current (I
(a) Output current (I
100
100
100
100
80
60
40
20
80
60
40
20
80
60
40
20
80
60
40
20
0.1
0.1
0.1
0.1
1
1
1
1
I
I
I
I
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
) vs. Efficiency (η)
) vs. Efficiency (η)
) vs. Efficiency (η)
) vs. Efficiency (η)
[mA]
[mA]
[mA]
[mA]
10
10
10
10
V
V
V
V
V
V
V
V
V
V
V
V
100
100
100
100
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
= 2.0 V
= 0.9 V
= 0.9 V
= 3.0 V
= 4.0 V
= 2.0 V
= 1.8 V
= 2.7 V
= 1.8 V
= 2.7 V
= 3.0 V
= 4.0 V
Seiko Instruments Inc.
1000
1000
1000
1000
(b) Output current (I
3.5
3.4
3.3
3.2
3.1
3.0
5.2
5.1
5.0
4.9
4.8
4.7
5.2
5.1
5.0
4.9
4.8
4.7
3.5
3.4
3.3
3.2
3.1
3.0
(b) Output current (I
(b) Output current (I
(b) Output current (I
0.1
0.1
0.1
0.1
V
V
V
V
V
V
V
V
V
V
V
V
1
1
1
1
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
=0.9 V
=1.8 V
=2.7 V
=2.0 V
=3.0 V
=4.0 V
=2.0 V
=3.0 V
=4.0 V
=0.9 V
=1.8 V
=2.7 V
OUT
OUT
OUT
OUT
I
I
I
I
OUT
OUT
OUT
OUT
) vs. Output voltage (V
10
10
10
) vs. Output voltage (V
) vs. Output voltage (V
) vs. Output voltage (V
10
[mA]
[mA]
[mA]
[mA]
100
100
100
100
Rev.6.6
1000
1000
1000
1000
OUT
OUT
OUT
OUT
)
_00
)
)
)