S-8355 Seiko Instruments, S-8355 Datasheet - Page 42

• 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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STEP-UP, SUPER-SMALL PACKAGE, 600 kHz, PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8355/56/57/58 Series
(3) Current Consumption at Shutdown (I
(4) EXT Pin Output Current “H” (I
(6) Oscillation Frequency (f
−60
−50
−40
−30
−20
−10
800
700
600
500
400
1.0
0.8
0.6
0.4
0.2
150
125
100
75
50
−40 −20 0
−40 −20 0
0
−40 −20
0
−40 −20
V
OUT
0
0
= 3.3 V, f
20
Ta [°C]
Ta [°C]
20 40 60
20
20
Ta [°C]
Ta [°C]
OSC
) vs. Temperature (Ta) (V
40
40
40 60 80 100
f
f
EXTH
f
OSC
OSC
OSC
OSC
60 80 100
) vs. Temperature (Ta)
60 80 100
= 100 kHz
= 100 kHz
= 600 kHz
= 100 kHz
SSS
80 100
) vs. Temperature (Ta)
Seiko Instruments Inc.
OUT
= 3.3 V)
(5) EXT Pin Output Current “L” (I
1.0
0.8
0.6
0.4
0.2
400
350
300
250
200
60
50
40
30
20
10
−40 −20
0
0
−40 −20 0
−40 −20 0
V
OUT
0
= 3.3 V, f
EXTL
20 40
Ta [°C]
20
Ta [°C]
20
Ta [°C]
) vs. Temperature (Ta)
40 60 80 100
40
f
f
OSC
OSC
OSC
60 80 100
60 80 100
= 300 kHz
= 300 kHz
= 300 kHz
Rev.6.6
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