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參數(shù)資料
| 型號(hào)： | MAX857CUA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWTCH LEVER DPDT 10A SCRW TERM |
| 中文描述： | 0.5 A SWITCHING REGULATOR, 500 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | UMAX-8 |
| 文件頁(yè)數(shù)： | 3/12頁(yè) |
| 文件大小： | 126K |
| 代理商： | MAX857CUA |
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 |
|---|---|
| MAX857CUA-G054 | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX857CUA-G054-T | 制造商:Maxim Integrated Products 功能描述:- Tape and Reel |
| MAX857CUA-T | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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 |
| MAX857CUA-TG068 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX857EPA | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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 |
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