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参数资料
| 型号： | MAX1709EVKIT |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | MAX1709 Evaluation Kit |
| 中文描述： | MAX1709评估板 |
| 文件页数： | 1/12页 |
| 文件大小： | 502K |
| 代理商： | MAX1709EVKIT |
General Description
The MAX1709 sets a new standard of space savings for
high-power, step-up DC-DC conversion. It delivers up
to 20W 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 pushbut-
ton switch, as well as conventional on/off logic control.
The MAX1709 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 10A. For a device with a lower current
rating, smaller size, and lower cost, refer to the
MAX1708 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 10A Power MOSFET
o
5V, 4A 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)
M
4A, Low-Noise, High-Frequency,
Step-Up DC-DC Converter
________________________________________________________________
Maxim Integrated Products
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
1
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
ONA
ONB
CLK
3.3/5
PGND
PGND
PGND
FB
OUT
TOP VIEW
MAX1709
NARROW SO
LX
LX
SS/LIM
LX
GND
REF
GND
Pin Configuration
ONA
REF
SS/LIM
CLK
OUTPUT
3.3V, 5V,
OR ADJ
UP TO 4A
OUT
GND
LX
1
μ
H
OFF ON
INPUT
1V TO 5V
SYNC
OR
INTERNAL
MAX1709
Typical Operating Circuit
19-1724; Rev 0; 5/00
Ordering Information
PART
TEMP. RANGE
-40
°
C to +85
°
C
PIN-PACKAGE
16 Narrow SO
MAX1709ESE
相关PDF资料 |
PDF描述 |
|---|---|
| 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 |
| MAX170 | 16-Bit Registered Transceivers With 3-State Outputs 56-SSOP -40 to 85 |
| MAX170DCWE | B Series/ Female Crimp |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX170ACPA | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX170ACPA+ | 功能描述:模数转换器 - ADC 12-Bit 115ksps 5.25V- Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX170ACWE | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX170ACWE+ | 功能描述:模数转换器 - ADC Serial Output 5.6 Micro Seconds 12-Bit ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX170ACWE+T | 功能描述:模数转换器 - ADC Serial Output 5.6 Micro Seconds 12-Bit ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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