S-8353 Seiko Instruments, S-8353 Datasheet - Page 31

• 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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Rev.1.4
STEP-UP, PWM CONTROL or PWM / PFM SWITCHABLE BUILT-IN TRANSISTOR SWITCHING REGULATOR
4. Examples of Transient Response Characteristics (Ta = 25 ° C, 250 kHz, S-8354H33)
[0.05 V / div]
[0.02 V / div]
(1) Power-On (V
(2)
(3) Load Fluctuations (V
(4) Input Voltage Fluctuations (I
2
0
2
0
100 µA
50 mA
ON/
_00
V
1.98
2.64
V
OUT
OUT
OFF
Pin Response (
IN
t [1 ms / div]
t [1 ms / div]
: 0 V → 2.0 V)
t [200 µs / div]
t [100 µs / div]
IN
= 1.98 V)
V
V
ON
IN
I
OUT
I
OUT
OUT
/
= 1.98 V → 2.64 V
100 µA → 50 mA
OFF
= 50 mA)
= 1 mA
= 1 mA
: 0 V → 2.0 V, V
Seiko Instruments Inc.
4
2
0
4
2
0
IN
[0.05 V / div]
= 2 V)
[0.04 V / div]
2
0
2
0
100 µA
50 mA
V
2.64
1.98
V
OUT
OUT
t [1 ms / div]
t [1 ms / div]
t [100 µs / div]
t [5 ms / div]
S-8353/8354 Series
V
I
I
IN
OUT
OUT
= 2.64 V → 1.98 V
50 mA → 100 µA
= 50 mA
= 50 mA
4
2
0
4
2
0
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