S-8355 Seiko Instruments, S-8355 Datasheet - Page 54

• 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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54
STEP-UP, SUPER-SMALL PACKAGE, 600 kHz, PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8355/56/57/58 Series
(4) Input Voltage Fluctuations (I
3.0
2.5
2.0
1.5
3.0
2.5
2.0
1.5
3.0
2.5
2.0
1.5
−0.2
−0.2
−0.2
100 kHz, V
600 kHz, V
300 kHz, V
0
0
0
0.2
0.2
0.2
0.4
0.4
0.4
0.6
0.6
time [ms]
0.6
time [ms]
time [ms]
IN
IN
IN
0.8
0.8
= 1.98 V → 2.64 V
0.8
= 1.98 V → 2.64 V
= 1.98 V → 2.64 V
1.0
1.0
1.0
1.2
1.2
1.2
1.4
1.4
1.4
OUT
1.6
1.6
1.6
= 100 mA)
1.8
1.8
1.8
3.45
3.40
3.35
3.30
3.25
3.45
3.40
3.35
3.30
3.25
3.45
3.40
3.35
3.30
3.25
Seiko Instruments Inc.
3.0
2.5
2.0
1.5
3.0
2.5
2.0
1.5
3.0
2.5
2.0
1.5
−0.2
−0.2
−0.2
100 kHz, V
600 kHz, V
300 kHz, V
0
0
0
0.2
0.2
0.2
0.4
0.4
0.4
0.6
0.6
0.6
time [ms]
time [ms]
time [ms]
IN
IN
IN
0.8
0.8
0.8
= 2.64 V → 1.98 V
= 2.64 V → 1.98 V
= 2.64 V → 1.98 V
1.0
1.0
1.0
1.2
1.2
1.2
1.4
1.4
1.4
1.6
1.6
1.6
1.8
1.8
1.8
Rev.6.6
3.45
3.40
3.35
3.30
3.25
3.45
3.40
3.35
3.30
3.25
3.45
3.40
3.35
3.30
3.25
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