S-8355 Seiko Instruments, S-8355 Datasheet - Page 47

• Manufacturer Part Number: S-8355
• Description: (S-8355 - S-8358) PWM/PFM SWITCHING CONTROL STEP-UP SWITCHING REGULATOR
• Manufacturer: Seiko Instruments

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Rev.6.6
STEP-UP, SUPER-SMALL PACKAGE, 600 kHz, PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
(4) Maximum Duty Ratio (MaxDuty) vs. Power Supply Voltage (V
(5) EXT Pin Output Current “H” (I
Power Supply Voltage (V
_00
−100
100
100
−80
−60
−40
−20
90
80
70
60
50
90
80
70
60
50
0
0
0
0
2
2
2
4
4
V
V
4
V
DD
DD
DD
DD
[V]
[V]
)
[V]
f
f
EXTH
6
6
OSC
OSC
6
) vs.
= 100 kHz
= 600 kHz
8
8
8
Seiko Instruments Inc.
10
10
10
DD
)
(6) EXT Pin Output Current “L” (I
Power Supply Voltage (V
−100
100
−80
−60
−40
−20
90
80
70
60
50
0
0
0
2
2
S-8355/56/57/58 Series
4
V
4
V
DD
DD
DD
[V]
)
[V]
f
OSC
6
EXTL
6
) vs.
= 300 kHz
8
8
10
10
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