S-8355 Seiko Instruments, S-8355 Datasheet - Page 44

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

www.DataSheet4U.com
44
STEP-UP, SUPER-SMALL PACKAGE, 600 kHz, PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8355/56/57/58 Series
(12) Soft Start Time (t
(13) Operation Start Voltage (V
1.2
1.0
0.8
0.6
0.4
0.2
8
6
4
2
0
−40 −20
8
6
4
2
0
−40 −20 0
−40 −20 0
0
V
OUT
0
SS
) vs. Temperature (Ta) (V
= 3.3 V, f
20 40
20 40
Ta [°C]
Ta [°C]
20
Ta [°C]
ST1
f
f
40
OSC
OSC
) vs. Temperature (Ta)
OSC
60 80 100
60 80 100
= 100 kHz
= 600 kHz
60
= 100 kHz
80 100
OUT
Seiko Instruments Inc.
= 3.3 V)
(14) Oscillation Start Voltage (V
1.2
1.0
0.8
0.6
0.4
0.2
−40 −20
8
6
4
2
0
0
−40 −20
V
OUT
0
0
ST2
= 3.3 V, f
20
Ta [°C]
) vs. Temperature (Ta)
20 40
Ta [°C]
40 60 80 100
f
OSC
OSC
= 300 kHz
60 80 100
= 100 kHz
Rev.6.6
_00