參數(shù)資料
型號: S-8351A28MC-J2NT2G
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, 110 kHz SWITCHING FREQ-MAX, PDSO5
封裝: LEAD FREE, SOT-23, 5 PIN
文件頁數(shù): 29/50頁
文件大?。?/td> 630K
代理商: S-8351A28MC-J2NT2G
STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER
Rev.2.4_00
S-8351/8352 Series
Seiko Instruments Inc.
35
2. Step-up Characteristics (Ta = 25
°C)
The data of the step-up characteristics ((a) Input voltage (VIN) vs. Output voltage (VOUT) characteristics (Input voltage
stepped up), (b) Input voltage (VIN) vs. Output voltage (VOUT) characteristics (Input voltage stepped down), (c) Output
current (IOUT) vs. Output voltage (VOUT) characteristics, (d) Output current (IOUT) vs. Efficiency (
η) characteristics
under conditions of 1 to 12 in Table 18 is shown below.
Condition 1 S-8351A30MC
(a) Input voltage (VIN) vs. Output voltage (VOUT)
(Input voltage raising)
(b) Input voltage (VIN) vs. Output voltage (VOUT)
(Input voltage falling)
2.8
2.9
3.0
3.1
3.2
2.6
2.7
V
OUT
[V
]
VIN [V]
2
3
4
1
0
IOUT
= 0.1 mA
IOUT
= 1 mA
IOUT
= 10 mA
IOUT
= 20 mA
IOUT
= 50 mA
IOUT
= 100 mA
2.8
2.9
3.0
3.1
VIN [V]
V
OUT
[V
]
2
3
4
1
0
3.2
2.6
2.7
IOUT
= 0.1 mA
IOUT
= 1 mA
IOUT
= 10 mA
IOUT
= 20 mA
IOUT
= 50 mA
IOUT
= 100 mA
(c) Output current (IOUT) vs.Output voltage (VOUT)
(d) Output current (IOUT) vs. Efficiency (
η)
2.8
2.9
3.0
3.1
IOUT [mA]
V
OUT
[V
]
100
150
200
50
0
3.2
2.6
2.7
250
VIN
= 1.0 V,
VIN
= 2.0 V
VIN
= 1.5 V,
VIN
= 2.5 V
VIN
= 1.8 V
50
60
70
η
[%
]
IOUT [mA]
1
10
100
1000
0.1
0.01
VIN
= 1.0 V
VIN
= 1.5 V
VIN
= 1.8 V
VIN
= 2.0 V
VIN
= 2.5 V
80
90
Condition 2 S-8351A30MC
(a) Input voltage (VIN) vs. Output voltage (VOUT)
(Input voltage raising)
(b) Input voltage (VIN) vs. Output voltage (VOUT)
(Input voltage falling)
2.8
2.9
3.0
3.1
VIN [V]
V
OU
T[V
]
2
3
4
1
0
3.2
2.6
2.7
IOUT
= 0.1 mA
IOUT
= 1 mA
IOUT
= 10 mA
IOUT
= 20 mA
IOUT
= 50 mA
IOUT
= 100 mA
2.8
2.9
3.0
3.1
VIN [V]
V
OU
T[V]
2
3
4
1
0
3.2
2.6
2.7
IOUT
= 0.1 mA
IOUT
= 1 mA
IOUT
= 10 mA
IOUT
= 20 mA
IOUT
= 50 mA
IOUT
= 100 mA
(c) Output current (IOUT) vs.Output voltage (VOUT)
(d) Output current (IOUT) vs. Efficiency (
η)
3.0
2.8
2.9
3.1
IOUT [mA]
V
OU
T[V]
100
150
200
50
0
3.2
2.6
2.7
250
VIN
= 1.0 V,
VIN
= 2.0 V
VIN
= 1.5 V,
VIN
= 2.5 V
VIN
= 1.8 V
50
60
70
80
η
[
%
]
IOUT [mA]
1
10
100
1000
0.1
0.01
90
VIN
= 1.0 V
VIN
= 1.5 V
VIN
= 1.8 V
VIN
= 2.0 V
VIN
= 2.5 V
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