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APW7093NI-TR

更新时间： 2024-10-14 22:14:31
品牌 Logo 应用领域
茂达 - ANPEC 稳压器
页数 文件大小 规格书
20页 725K
描述
3A, 1MHz, Step Down DC/DC Regulator

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中文翻译

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APW7093NI-TR 技术参数

是否Rohs认证： 不符合生命周期：Contact Manufacturer
Reach Compliance Code：compliant风险等级：5.85
控制模式：CURRENT-MODEJESD-30 代码：R-PDSO-G16
JESD-609代码：e0端子数量：16
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SSOP
封装等效代码：SSOP16,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH认证状态：Not Qualified
子类别：Switching Regulator or Controllers表面贴装：YES
最大切换频率：1000 kHz温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：0.635 mm端子位置：DUAL
Base Number Matches：1

APW7093NI-TR 数据手册

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APW7093  
3A, 1MHz, Step Down DC/DC Regulator  
General Description  
Features  
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Source/Sink 3A  
The APW7093 is a reversible energy flow, constant-  
off-time, pulse-width modulated (PWM), step-down  
DC-DC converter. It is ideal for use in notebook and  
sub-notebook computers that require 1.1V to 5V  
activetermination power supplies. Thisdevice features  
an internal PMOS power switch and internal  
synchronous rectifier for high efficiency and reduced  
Up to 1MHz Switches Frequency  
Up to 94% Efficiency  
Internal PMOS/NMOS Switches  
- 70mW/40mW On-Resistance at VIN = 4.5V  
- 90mW/60mW On-Resistance at VIN = 3V  
±1% Output Accuracy  
·
·
·
·
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·
·
·
component count. The internal 90mW PMOS power  
1.1V to VIN Adjustable Output Voltage  
3V to +5.5V Input Voltage Range  
<1mA Shutdown Supply Current  
switchand 60mW NMOS synchronous-rectifier switch  
easily deliver continuous load currents up to 3A. The  
APW7093 accurately tracks an external reference  
voltage, produces an adjustable output from 1.1V to  
VIN, and achieves efficiencies as high as 94%.  
Programmable Constant-Off-Time Operation  
Thermal Shutdown  
The APW7093 uses a unique current-mode,  
constant-off-time, PWM control scheme that allows  
the output to source or sink current. This feature  
allows energy to return to the input power supply that  
otherwise would be wasted. The programmable  
constant-off-timearchitecturesetsswitchingfrequencies  
upto1MHz, allowingthe user tooptimizeperformance  
trade-offs between efficiency, output switching noise,  
component size, and cost. TheAPW7093 features an  
adjustable soft-start to limit surge currents during  
startup, a 100% duty-cycle mode for low-dropout  
operation, and alow-power shutdown mode that disables  
the power switches and reduces supply current below  
1µA. TheAPW7093 is available in a 32-pin QFN with  
an exposed backside pad or a 16-pin SSOP.  
Adjustable Soft-Start Inrush Current Limiting  
Output Short-Circuit Protection  
Lead Free Available (RoHS Compliant)  
Applications  
·
·
·
·
·
·
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Motherboard  
Graphics Cards  
Cable or DSL Modems, Set Top Boxes  
DSP Supplies  
Memory Supplies  
5V Input DC-DC Regulators  
Distributed Power Supplies  
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and  
advise customers to obtain the latest version of relevant information to verify before placing orders.  
Copyright ã ANPEC Electronics Corp.  
1
www.anpec.com.tw  
Rev. A.5 - Jun., 2005  
1234567...20

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