參數(shù)資料
型號： MAX1678
廠商： Maxim Integrated Products, Inc.
元件分類： DC/DC變換器
英文描述： 1-Cell to 2-Cell, Low-Noise, High-Efficiency, Step-Up DC-DC Converter
中文描述： 1節(jié)至2節(jié)電池、低噪聲、高效率、升壓型DC-DC轉(zhuǎn)換器
文件頁數(shù)： 4/12頁
文件大?。?/td> 166K
代理商： MAX1678
M
1-Cell to 2-Cell, Low-Noise,
High-Effic ienc y, S tep-Up DC-DC Converter
4
_______________________________________________________________________________________
Typic al Operating Charac teristic s
(Circuit of Figure 7 (Fixed Mode, 3.3V) or Figure 8 (Adjustable Mode), T
A
= +25°C, unless otherwise noted.)
100
0
0.01
0.1
1
10
100 200
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= 2.4V, L1 = 22
μ
H)
20
M
LOAD CURRENT (mA)
E
40
60
80
90
70
50
30
10
V
IN
= 2.0V
V
IN
= 1.5V
L1 = 22
μ
H
SUMIDA CD43-220
R1 = 200k
, R2 = 200k
V
IN
= 1.2V
V
IN
= 0.85V
100
0
0.01
0.1
1
10
100 200
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= 2.4V, L1 = SUMIDA 47
μ
H)
20
M
LOAD CURRENT (mA)
E
40
60
80
90
70
50
30
10
V
IN
= 2.0V
V
IN
= 1.5V
L1 = 47
μ
H
SUMIDA CD43-470
R1 = 200k
, R2 = 200k
V
IN
= 1.2V
V
IN
= 0.85V
100
0
0.01
0.1
1
10
100 200
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= 2.4V, L1 = TDK 47
μ
H)
20
M
LOAD CURRENT (mA)
E
40
60
80
90
70
50
30
10
V
IN
= 2.0V
V
IN
= 1.5V
L1 = 47
μ
H
TDK NLC453232T-470K
R1 = 200k
, R2 = 200k
V
IN
= 1.2V
V
IN
= 0.85V
100
0
0.01
0.1
1
10
100 200
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= 3.3V, L1 = 22
μ
H)
20
M
LOAD CURRENT (mA)
E
40
60
80
90
70
50
30
10
V
IN
= 2.5V
V
IN
= 2.0V
L1 = 22
μ
H
SUMIDA CD43-220
FB = GND
V
IN
= 1.5V
V
IN
= 1.2V
V
IN
= 0.85V
100
0
0.01
0.1
1
10
100 200
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= 5.0V, L1 = 22
μ
H)
20
M
LOAD CURRENT (mA)
E
40
60
80
90
70
50
30
10
V
IN
= 4.5V
V
IN
= 3.0V
V
IN
= 2.0V
L1 = 22
μ
H
SUMIDA CD43-220
R1 = 619k
, R2 = 200k
V
IN
= 1.2V
V
IN
= 0.85V
100
0
0.01
0.1
1
10
100 200
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= 3.3V, L1 = SUMIDA 47
μ
H)
20
M
LOAD CURRENT (mA)
E
40
60
80
90
70
50
30
10
V
IN
= 2.5V
V
IN
= 2.0V
L1 = 47
μ
H
SUMIDA CD43-470
FB = GND
V
IN
= 1.5V
V
IN
= 1.2V
V
IN
= 0.85V
100
0
0.01
0.1
1
10
100 200
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= 3.3V, L1 = TDK 47
μ
H)
20
M
LOAD CURRENT (mA)
E
40
60
80
90
70
50
30
10
V
IN
= 2.5V
V
IN
= 2.0V
L1 = 47
μ
H
TDK NLC453232T-470K
FB = GND
V
IN
= 1.5V
V
IN
= 1.2V
V
IN
= 0.85V
100
0
0.01
0.1
1
10
100 200
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= 5.0V, L1 = SUMIDA 47
μ
H)
20
M
LOAD CURRENT (mA)
E
40
60
80
90
70
50
30
10
V
IN
= 4.5V
V
IN
= 3.0V
L1 = 47
μ
H
SUMIDA CD43-470
R1 = 619k
, R2 = 200k
V
IN
= 2.0V
V
IN
= 1.2V
V
IN
= 0.85V
100
0
0.01
0.1
1
10
100 200
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= 5.0V, L1 = TDK 47
μ
H)
20
M
LOAD CURRENT (mA)
E
40
60
80
90
70
50
30
10
V
IN
= 4.5V
V
IN
= 3.0V
L1 = 47
μ
H
TDK NLC453232-470K
R1 = 619k
, R2 = 200k
V
IN
= 2.0V
V
IN
= 1.2V
V
IN
= 0.85V
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1678ESA 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX1678EUA 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
MAX1678EUA+ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 1-2 Cell Step-Up DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
MAX1678EUA+T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 1-2 Cell Step-Up DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
MAX1678EUAT 制造商:Maxim Integrated Products 功能描述:
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