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參數(shù)資料
| 型號： | MAX1708EEE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | CHOKE COIL 2.2UH 1000MA SMD |
| 中文描述： | 7.5 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | 0.150 INCH, 0.025 INCH PITCH, QSOP-16 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大?。?/td> | 332K |
| 代理商： | MAX1708EEE |
General Description
The MAX1708 sets a new standard of space savings for
high-power, step-up DC-DC conversion. It delivers up
to 10W at a fixed (3.3V or 5V) or adjustable (2.5V to
5.5V) output, using an on-chip power MOSFET from a
+0.7V to +5V supply.
Fixed-frequency PWM operation ensures that the
switching noise spectrum is constrained to the 600kHz
fundamental and its harmonics, allowing easy postfilter-
ing for noise reduction. External clock synchronization
capability allows for even tighter noise spectrum con-
trol. Quiescent power consumption is less than 1mW to
extend operating time in battery-powered systems.
Two control inputs (ONA,
ONB
) allow simple push-on,
push-off control through a single momentary push-but-
ton switch, as well as conventional on/off logic control.
The MAX1708 also features programmable soft-start
and current limit for design flexibility and optimum per-
formance with batteries. The maximum RMS switch cur-
rent rating is 5A. For a device with a higher (10A)
switch current rating, refer to the MAX1709 data sheet.
________________________Applications
Routers, Servers, Workstations, Card Racks
Local 2.5V to 3.3V or 5V Conversion
Local 3.3V to 5V Conversion
3.6V or 5V RF PAs in Communications Handsets
Features
o
On-Chip 5A Power MOSFET
o
5V, 2A Output from a 3.3V Input
o
Fixed 3.3V or 5V Output Voltage or
Adjustable (2.5V to 5.5V)
o
Input Voltage Range Down to 0.7V
o
Low Power Consumption
1mW Quiescent Power
1μA Current in Shutdown Mode
o
Low-Noise, Constant Frequency Operation
(600kHz)
o
Synchronizable Switching Frequency
(350kHz to 1000kHz)
o
Small QSOP Package
M
High-Frequency, High-Power, Low-Noise,
Step-Up DC-DC Converter
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
ONB
CLK
3.3/5
PGND
PGND
PGND
FB
OUT
GND
TOP VIEW
MAX1708
QSOP
ONA
LX
GND
LX
LX
SS/LIM
REF
Pin Configuration
ONA
REF
SS/LIM
CLK
OUTPUT
3.3V, 5V,
OR ADJ
UP TO 2A
OUT
GND
LX
2.2
μ
H
OFF ON
INPUT
1V TO 5V
SYNC
OR
INTERNAL
MAX1708
Typical Operating Circuit
19-2068; Rev 0; 7/01
Ordering Information
PART
TEMP. RANGE
-40
°
C to +85
°
C
PIN-PACKAGE
16 QSOP
MAX1708EEE
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1709 | 4A, Low-Noise, High-Frequency, Step-Up DC-DC Converter |
| MAX1709EVKIT | MAX1709 Evaluation Kit |
| MAX1709ESE | 4A, Low-Noise, High-Frequency, Step-Up DC-DC Converter |
| MAX170CCPA | Serial Output 5.6us 12-Bit A/D Converter |
| MAX170CCWE | Serial Output 5.6us 12-Bit A/D Converter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1708EEE+ | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 High f 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 |
| MAX1708EEE+T | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 High f 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 |
| MAX1708EEE-T | 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(fēng)格:SMD/SMT |
| MAX1708EVKIT | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Evaluation Kit for the MAX1708 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 |
| MAX1708EVKIT+ | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 High-Frequency High-Power Low-Noise 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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