參數(shù)資料
型號(hào): S-8353H20MC-IWFT2G
元件分類: 穩(wěn)壓器
英文描述: 0.3 A SWITCHING REGULATOR, 287.5 kHz SWITCHING FREQ-MAX, PDSO5
封裝: LEAD FREE, SOT-23, 5 PIN
文件頁(yè)數(shù): 26/49頁(yè)
文件大?。?/td> 479K
代理商: S-8353H20MC-IWFT2G
STEP-UP, PWM CONTROL or PWM / PFM SWITCHABLE BUILT-IN TRANSISTOR SWITCHING REGULATOR
S-8353/8354 Series
Rev.3.0_00
Seiko Instruments Inc.
32
4.
Examples of Transient Response Characteristics (Ta
= 25°C, 250 kHz, S-8354H33)
(1) Power-On (VIN : 0 V
→ 2.0 V)
IOUT = 1 mA
IOUT = 50 mA
0
2
t [1 ms / div]
V
IN
[
V
]
0
2
4
V
OUT
[
V
]
0
2
V
IN
[
V
]
0
2
4
V
OUT
[V
]
t [1 ms / div]
(2)
OFF
ON/
Pin Response (
OFF
/
ON
V
: 0 V
→ 2.0 V, VIN = 2 V)
IOUT = 1 mA
IOUT = 50 mA
0
2
t [1 ms / div]
V
ON
/OF
F
[V
]
0
2
4
V
OUT
[
V
]
0
2
0
2
4
V
OU
T
[
V
]
V
ON/O
FF
[V
]
t [1 ms / div]
(3) Load Fluctuations (VIN = 1.98 V)
100
μA → 50 mA
50 mA
→ 100 μA
VOUT
[0.05 V / div]
100
μA
I OU
T
t [200
μs / div]
50 mA
VOUT
[0.05 V / div]
100
μA
I OUT
50 mA
t [5 ms / div]
(4) Input Voltage Fluctuations (IOUT = 50 mA)
VIN = 1.98 V
→ 2.64 V
VIN = 2.64 V
→ 1.98 V
1.98
2.64
V
IN
[
V
]
t [100
μs / div]
VOUT
[0.02 V / div]
V
IN
[
V
]
t [100
μs / div]
VOUT
[0.04 V / div]
1.98
2.64
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