S-8355 Seiko Instruments, S-8355 Datasheet - Page 46

• 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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46
STEP-UP, SUPER-SMALL PACKAGE, 600 kHz, PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8355/56/57/58 Series
2. Examples of Major Power Supply Dependence Characteristics (Ta = 25 ° C)
(1) Current Consumption 1 (I
(2) Current Consumption at Shutdown (I
(3) Oscillation Friquency (f
(V
OUT
120
100
720
600
480
360
240
120
1.0
0.8
0.6
0.4
0.2
50
40
30
20
10
80
60
40
20
0
0
= 3.3 V)
0
0
0
0
2
V
2
2
2
OUT
= 3.3 V, f
4
4
V
4
4
V
V
V
OSC
DD
DD
DD
DD
) vs. Power Supply Voltage (V
SS1
[V]
[V]
[V]
[V]
) vs. Power Supply Voltage (V
f
6
f
6
f
OSC
6
6
OSC
OSC
OSC
= 300 kHz
= 100 kHz
= 300 kHz
= 600 kHz
SSS
8
8
8
8
) vs. Power Supply Voltage (V
10
Seiko Instruments Inc.
10
10
10
DD
)
DD
), Current Consumption 2 (I
DD
)
360
300
240
180
120
100
60
80
60
40
20
0
0
0
2
2
SS2
4
4
V
V
) vs. Power Supply Voltage (V
DD
DD
[V]
[V]
f
f
6
OSC
6
OSC
= 300 kHz
= 600 kHz
8
8
Rev.6.6
10
10
_00
DD
)