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參數(shù)資料
| 型號： | MAX848 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | Low-Noise, Step-Up DC-DC Converters(高功率，低噪，帶0.5AMOSFET功率開關(guān),步升DC-DC變換器) |
| 中文描述： | 1至3節(jié)電池、大功率、低噪聲、升壓型DC-DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 7/16頁 |
| 文件大小： | 192K |
| 代理商： | MAX848 |
M
1-Cell to 3-Cell, High-Power,
Low-Noise, S tep-Up DC-DC Converters
_______________________________________________________________________________________
7
____________________________Typic al Operating Charac teristic s (c ontinued)
(T
A
= +25°C, unless otherwise noted.)
V
IN
= 3.6V, V
OUT
= 5V, C
OUT
= 440
μ
F
A = V
OUT
RIPPLE, 200mV/div, AC COUPLED
B = LOAD CURRENT, 100mA TO1A, 0.5A/div,
PULSE WIDTH = 577
μ
s
MAX849
GSM LOAD-TRANSIENT RESPONSE
A
5V
0A
B
1ms/div
MAX848/9 TOC-14
V
IN
= 1.2V, V
OUT
= 3.3V, C
OUT
= 440
μ
F
A = V
OUT
RIPPLE, 200mV/div, AC COUPLED
B = LOAD CURRENT, 50mA TO400mA, 0.2A/div,
PULSE WIDTH = 416
μ
s
MAX849
DECT LOAD-TRANSIENT RESPONSE
A
B
3.3V
0A
2ms/div
MAX848/9 TOC-15
2.7
0.1k
1k
10k
100k
1M
MAX849 NOISE SPECTRUM
(V
OUT
= 3.3V, V
IN
= 1.2V, R
LOAD
= 50
)
0
M
FREQUENCY (Hz)
N
R
)
380
280
-40
100
MAX849 INTERNAL OSCILLATOR
FREQUENCY vs. TEMPERATURE
360
M
TEMPERATURE (
°
C)
I
20
320
300
-20
0
60
340
40
80
V
OUT
= 5V
V
OUT
= 3.3V
1.2
2.5
3.5
3.0
4.0
5.5
5.0
MAX849 PEAK INDUCTOR CURRENT
vs. OUTPUT VOLTAGE
1.4
1.8
2.0
M
OUTPUT VOLTAGE (V)
P
4.5
1.6
1.3
1.7
1.5
相關(guān)PDF資料 |
PDF描述 |
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| MAX849 | Low-Noise, Step-Up DC-DC Converters(高功率，低噪，帶0.5AMOSFET功率開關(guān),步升DC-DC變換器) |
| MAX8530 | Dual Low-Dropout Linear Regulators with RESETor Low-Noise Output in UCSP or QFN |
| MAX8530EBT | Dual Low-Dropout Linear Regulators with RESETor Low-Noise Output in UCSP or QFN |
| MAX8530ETT | Dual Low-Dropout Linear Regulators with RESETor Low-Noise Output in UCSP or QFN |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX848ESE | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 1-3 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(fēng)格:SMD/SMT |
| MAX848ESE+ | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 1-3 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(fēng)格:SMD/SMT |
| MAX848ESE+T | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 1-3 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(fēng)格:SMD/SMT |
| MAX848ESE-T | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 1-3 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(fēng)格:SMD/SMT |
| MAX849ESE | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 1-3 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(fēng)格:SMD/SMT |
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