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參數資料
| 型號： | MAX1765EEE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 800mA, Low-Noise, Step-Up DC-DC Converter with 500mA Linear Regulator |
| 中文描述： | 1.3 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | 0.150 INCH, 0.025 INCH PITCH, QSOP-16 |
| 文件頁數： | 18/19頁 |
| 文件大?。?/td> | 559K |
| 代理商： | MAX1765EEE |
M
the regulator turns on. The switch must be pressed
long enough for the microcontroller (μC) to exit reset
and drive ONA high. A small capacitor is added to help
debounce the switch. The μC issues a logic high to
ONA, which holds the device on, regardless of the
switch state. To turn the regulator off, press the switch
again, allowing the μC to read the switch status and
pull ONA low. When the switch is released,
ONB
is
pulled high.
800mA, Low-Noise, Step-Up DC-DC Converter
with 500mA Linear Regulator
18
______________________________________________________________________________________
Table 5. Typical Available Output Current
NUMBER OF CELLS
INPUT VOLTAGE
(V)
OUTPUT VOLTAGE
(V)
OUTPUT CURRENT
(mA)
1 NiCd/NiMH
1.2
3.3
330
2.4
3.3
730
2 NiCd/NiMH
2.4
5.0
460
3 NiCd/NiMH or 1 Li+
3.6
5.0
720
PA
RF
LX
POUT
GND
OUTL
CONTROL
INPUTS
μ
C
I/O
MAX1765
INL
μ
C
V
DD
I/O
ONA
ONB
POUT
I/O
0.1
μ
F
ON/OFF
270k
270k
MAX1765
Chip Information
TRANSISTOR COUNT: 1735
Figure 10. Typical Phone Application
Figure 11. Momentary Pushbutton On/Off Switch
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX1765EEE+ | 功能描述:直流/直流開關轉換器 800mA Step-Up w/500mA Linear Reg RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX1765EEE+T | 功能描述:直流/直流開關轉換器 800mA Step-Up w/500mA Linear Reg RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX1765EEE-T | 功能描述:直流/直流開關轉換器 800mA Step-Up w/500mA Linear Reg RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX1765EUE | 功能描述:直流/直流開關轉換器 800mA Step-Up w/500mA Linear Reg RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX1765EUE+ | 功能描述:直流/直流開關轉換器 800mA Step-Up w/500mA Linear Reg RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
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