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參數(shù)資料
| 型號(hào)： | MAX858 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | Step-Up DC-DC Converters(可調(diào)節(jié)輸出,高效率,低IQ值,步升DC-DC變換器) |
| 中文描述： | 3.3V/5V或可調(diào)輸出、升壓型DC-DC轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 3/12頁(yè) |
| 文件大?。?/td> | 152K |
| 代理商： | MAX858 |
M
3.3V /5V or Adjustable-Output,
S tep-Up DC-DC Converters
_______________________________________________________________________________________
3
100
20
10
0
0.01
0.001
0.1
10
1
100
1000
MAX858/MAX859
EFFICIENCY vs. OUTPUT CURRENT
V
OUT
= 3.3V
40
30
50
M
LOAD CURRENT (mA)
E
60
70
80
90
V
IN
= 2.0V
V
IN
= 2.5V
V
IN
= 1.5V
100
20
10
0
0.01
0.001
0.1
10
1
100
1000
MAX858/MAX859
EFFICIENCY vs. OUTPUT CURRENT
V
OUT
= 5V
40
30
50
M
LOAD CURRENT (mA)
E
60
70
80
90
V
IN
= 2.5V
V
IN
= 3.3V
V
IN
= 1.5V
100
20
10
0
0.01
0.001
0.1
10
1
100
1000
MAX856/MAX857
EFFICIENCY vs. OUTPUT CURRENT
V
OUT
= 5V
40
30
50
M
LOAD CURRENT (mA)
E
60
70
80
90
V
IN
= 2.0V
V
IN
= 3.3V
V
IN
= 1.5V
100
20
10
0
0.01
0.001
0.1
10
1
100
1000
MAX856/MAX857
EFFICIENCY vs. OUTPUT CURRENT
V
OUT
= 3.3V
40
30
50
M
LOAD CURRENT (mA)
E
60
70
80
90
V
IN
= 2.0V
V
IN
= 2.5V
V
IN
= 1.5V
__________________________________________Typic al Operating Charac teristic s
(Circuits of Figure 2, T
A
= +25°C, unless otherwise noted.)
ELECTRICAL CHARACTERISTICS (continued)
(Circuits of Figure 2, V
IN
= 2.5V, I
LOAD
= 0mA, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
–———N, 3/––Input Voltage Low
S———N, 3/––Input Voltage High
S———N, 3/––, FB, LBI Input Current
FB Voltage
MAX857/MAX859
Output Voltage Range
MAX857/MAX859, I
LOAD
= 0mA (Note 3)
Note 2:
Supply current from the 3.3V output is measured with an ammeter between the 3.3V output and OUT pin. This current
correlates directly with actual battery supply current, but is reduced in value according to the step-up ratio and efficiency.
V
OUT
= 3.47V to keep the internal switch open when measuring the current into the device.
Note 3:
Minimum value is production tested. Maximum value is guaranteed by design and is not production tested.
0.4
V
V
1.6
LBI = 1.5V, FB = 1.5V, –———N= 0V or 3V, 3/––= 0V or 3V
±100
1.28
6.0
nA
V
V
1.22
2.7
1.25
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX8581ETB+T | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 2.5/1.5MHz Step-Down 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(fēng)格:SMD/SMT |
| MAX8582ETB+ | 制造商:Maxim Integrated Products 功能描述: |
| MAX8582ETB+T | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 2.5/1.5MHz Step-Down 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(fēng)格:SMD/SMT |
| MAX8582EVKIT+ | 制造商:Maxim Integrated Products 功能描述:MAX8582 EVAL KIT - Rail/Tube |
| MAX8585EUA | 功能描述:功率驅(qū)動(dòng)器IC RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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