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| 型号： | MAX1708EEE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/14页 |
| 文件大小： | 0K |
| 描述： | IC REG BST 3.3V/5V/ADJ 5A 16QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 升压（升压） |
| 输出类型： | 两者兼有 |
| 输出数： | 1 |
| 输出电压： | 3.3V，5V，可调 |
| 输入电压： | 0.7 V ~ 5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 600kHz |
| 电流 - 输出： | 5A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 16-QSOP |
19-2068; Rev 1; 11/10
High-Frequency, High-Power, Low-Noise,
Step-Up DC-DC Converter
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
Features
? On-Chip 5A Power MOSFET
? 5V, 2A Output from a 3.3V Input
? Fixed 3.3V or 5V Output Voltage or
Adjustable (2.5V to 5.5V)
? Input Voltage Range Down to 0.7V
? Low Power Consumption
1mW Quiescent Power
1 μ A Current in Shutdown Mode
? Low-Noise, Constant Frequency Operation
(600kHz)
? Synchronizable Switching Frequency
(350kHz to 1000kHz)
? Small QSOP Package
Ordering Information
Routers, Servers, Workstations, Card Racks
Local 2.5V to 3.3V or 5V Conversion
PART
MAX1708EEE+
TEMP. RANGE
-40°C to +85°C
PIN-PACKAGE
16 QSOP
Local 3.3V to 5V Conversion
3.6V or 5V RF PAs in Communications Handsets
Typical Operating Circuit
+Denotes a lead(Pb)-free/RoHS-compliant package.
Pin Configuration
INPUT
1V TO 5V
2.2 μ H
OUTPUT
TOP VIEW
ONB 1
ONA 2
LX 3
+
16 CLK
15 3.3/5
14 PGND
OFF ON
ONA
LX
3.3V, 5V,
LX 4
MAX1708
13 PGND
OR ADJ
SYNC
OR
INTERNAL
CLK
SS/LIM
MAX1708
GND
UP TO 2A
LX 5
GND 6
SS/LIM 7
12 PGND
11 FB
10 OUT
REF
OUT
REF 8
9
GND
QSOP
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1
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| MAX1708EVKIT | 功能描述:直流/直流开关转换器 Evaluation Kit for the MAX1708 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1708EVKIT+ | 功能描述:直流/直流开关转换器 High-Frequency High-Power Low-Noise Step-Up DC-DC Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX17094AETM+ | 制造商:Maxim Integrated Products 功能描述:5GHZ 4-CHANNEL MIMO TRANSMITTER - Rail/Tube |
| MAX17094ETM+ | 功能描述:电流和电力监控器、调节器 Boost Regulator w/7Ch Driver RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX17094ETM+T | 功能描述:电流和电力监控器、调节器 Boost Regulator w/7Ch Driver RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
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