S-8353 Seiko Instruments, S-8353 Datasheet - Page 30

• Manufacturer Part Number: S-8353
• Description: (S-8353 / S-8354) PWM Control Switchable Built-in Transistor Switching Regulator
• Manufacturer: Seiko Instruments

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STEP-UP, PWM CONTROL or PWM / PFM SWITCHABLE BUILT-IN TRANSISTOR SWITCHING REGULATOR
S-8353/8354 Series
Output voltage
Output voltage
CONT voltage
CONT voltage
Output voltage
3. Output Waveforms (V
Output voltage
CONT voltage
CONT voltage
[0.01 V / div]
[0.02 V / div]
[0.01 V / div]
[0.02 V / div]
(1) S-8353A33
(2) S-8354H33
[1 V / div]
[1 V / div]
[1 V / div]
[1 V / div]
IN
= 1.98 V)
t [10 µs / div]
t [10 µs / div]
t [2 µs / div]
t [2 µs / div]
I
OUT
I
I
I
OUT
OUT
OUT
= 100 mA
= 100 µA
= 10 mA
Seiko Instruments Inc.
= 50 mA
Output voltage
CONT voltage
Output voltage
Output voltage
CONT voltage
CONT voltage
[0.02 V / div]
[0.01 V / div]
[0.01 V / div]
[1 V / div]
[1 V / div]
[1 V / div]
t [10 µs / div]
t [2 µs / div]
t [2 µs / div]
I
OUT
I
I
OUT
OUT
Rev.1.4
= 100 mA
= 50 mA
= 10 mA
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