S-8355 Seiko Instruments, S-8355 Datasheet - Page 49

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

www.DataSheet4U.com
Rev.6.6
Output voltage
Output voltage
Output voltage
3. Output Waveforms
Output voltage
CONT voltage
CONT voltage
CONT voltage
CONT voltage
[0.05 V / div]
[0.05 V / div]
[0.05 V / div]
[0.05 V / div]
STEP-UP, SUPER-SMALL PACKAGE, 600 kHz, PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
[2.0 V / div]
[2.0 V / div]
[2.0 V / div]
[2.0 V / div]
(1) S-8358B33MC
(2) S-8358F33MC
_00
4
2
0
−10
4
2
0
4
2
0
−25
−10
−25
4
2
0
−20
−20
−8
−8
−15
−15
−6
−6
−10
−10
−4
−4
−2 0 2 4 6 8 10
time [µs]
−5 0 5 10 15 20 25
time [µs]
time [µs]
−2 0 2 4 6 8 10
−5 0 5 10 15 20 25
time [µs]
I
I
OUT
OUT
I
OUT
I
OUT
= 100 mA
= 100 mA
= 1 mA
= 1 mA
Seiko Instruments Inc.
3.40
3.35
3.30
3.25
3.40
3.35
3.30
3.25
3.40
3.35
3.30
3.25
3.40
3.35
3.30
3.25
Output voltage
Output voltage
Output voltage
CONT voltage
Output voltage
CONT voltage
CONT voltage
CONT voltage
[0.05 V / div]
[0.05 V / div]
[0.05 V / div]
[0.05 V / div]
[2.0 V / div]
[2.0 V / div]
[2.0 V / div]
[2.0 V / div]
−10
4
2
0
4
2
0
−10
−25
4
2
0
4
2
0
−25
−20
−8
−8
−20
−15
−6
−6
−15
S-8355/56/57/58 Series
−10
−4
−4
−10
−2 0 2 4 6 8 10
−2 0 2 4 6 8 10
time [µs]
time [µs]
−5 0 5 10 15 20 25
time [µs]
time [µs]
−5 0 5 10 15 20 25
I
I
OUT
OUT
I
I
OUT
OUT
= 200 mA
= 200 mA
= 20 mA
= 10 mA
3.40
3.35
3.30
3.25
3.40
3.35
3.30
3.25
3.40
3.35
3.30
3.25
3.40
3.35
3.30
3.25
49