參數(shù)資料
型號: 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
文件頁數(shù): 24/49頁
文件大小: 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.
30
2.
Examples of Major Power Supply Dependence Characteristics (Ta = 25
°C)
(1) Current Consumption 1 (ISS1) vs. Power Supply
Voltage (VDD), Current Consumption 2 (ISS2) vs.
Power Supply Voltage (VDD)
VOUT = 3.3 V, fOSC = 50 kHz
VOUT = 3.3 V, fOSC = 250 kHz
0
10
20
30
40
50
0
2
4
6
8
10
VDD [V]
I SS
1
,I
SS
2
A]
0
20
40
60
80
100
0
2
4
6
8
10
VDD [V]
I SS
1
,I
SS
2
A]
(2) Oscillation Frequency (fOSC) vs. Power Supply Voltage (VDD)
fOSC = 50 kHz
fOSC = 250 kHz
30
40
50
60
70
0
2
4
6
8
10
VDD [V]
f OSC
[kHz]
100
150
200
250
300
02
4
6
8
10
VDD [V]
f OSC
[kHz]
(3) Switching Current (ISW) vs. Power Supply Voltage (VDD)
0
2
4
6
8
10
VDD [V]
I SW
[m
A
]
100
200
300
400
500
0
(4) Output Voltage (VOUT) vs. Power Supply Voltage (VDD) (VOUT = 3.3 V, VIN = 1.98 V, IOUT = 13.2 mA, VDD Separate Type)
fOSC = 50 kHz
fOSC = 250 kHz
VDD [V]
V
OUT
[V]
3.0
3.1
3.2
3.3
3.4
0
2
4
6
8
10
02
46
8
10
VDD [V]
V
OUT
[
V
]
3.0
3.1
3.2
3.3
3.4
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