S-8355 Seiko Instruments, S-8355 Datasheet - Page 39

• 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
4. Output Characteristics of The Using Ceramic Capacitor Circuit Example
STEP-UP, SUPER-SMALL PACKAGE, 600 kHz, PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
The data of the step-up characteristics (a) Output current (I
(I
to 3 in Table 31 is shown below.
Condition 1
Condition 2
OUT
_00
) vs. Output voltage (V
100
100
100
(a) Output current (I
(c) Output Current (I
(a) Output current (I
(c) Output Current (I
100
80
60
40
20
80
60
40
20
80
60
40
20
0.01
80
60
40
20
0.01
0.01
0
0.01
0
0
0
0.1
0.1
0.1
V
V
V
0.1
V
V
V
IN
IN
IN
IN
IN
IN
= 2.0 V
= 3.0 V
= 4.0 V
= 0.9 V
= 1.8 V
= 2.7 V
OUT
OUT
OUT
OUT
1
1
1
1
I
OUT
I
I
I
OUT
OUT
OUT
OUT
) vs. Efficiency (η)
) vs. Efficiency (η)
) vs. Ripple voltage (V
) vs. Ripple voltage (V
) characteristics, (c) Output Current (I
[mA]
[mA]
[mA]
[mA]
10
10
10
10
V
V
V
V
V
V
100
Seiko Instruments Inc.
100
100
100
IN
IN
IN
IN
IN
IN
= 0.9 V
= 1.8 V
= 2.7 V
= 2.0 V
= 3.0 V
= 4.0 V
1000
1000
1000
1000
r
r
)
)
OUT
) vs. Efficiency (η) characteristics, (b) Output current
(b) Output current (I
3.32
3.31
3.30
3.29
3.28
(b) Output current (I
5.07
5.06
5.05
5.04
5.03
0.01
OUT
0.01
) vs. Ripple voltage (Vr) under conditions of 1
0.1
V
V
V
0.1
IN
IN
IN
= 0.9 V
= 1.8 V
= 2.7 V
S-8355/56/57/58 Series
OUT
OUT
1
1
I
I
OUT
OUT
) vs. Output voltage (V
) vs. Output voltage (V
[mA]
[mA]
10
10
V
V
V
100
100
IN
IN
IN
= 2.0 V
= 3.0 V
= 4.0 V
1000
1000
OUT
OUT
)
39
)