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EN5322QI-E PDF预览

EN5322QI-E

更新时间: 2024-01-09 14:52:45
品牌 Logo 应用领域
ENPIRION 转换器电感器
页数 文件大小 规格书
16页 324K
描述
2 A Voltage Mode Synchronous Buck PWM DC-DC Converter with Integrated Inductor

EN5322QI-E 技术参数

是否Rohs认证:符合生命周期:Active
包装说明:HQCCN, LCC24,.16X.24,25Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.63Is Samacsys:N
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:VOLTAGE-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:5.5 V
最小输入电压:2.4 V标称输入电压:5 V
JESD-30 代码:R-XQCC-N24长度:6 mm
功能数量:1端子数量:24
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:2 A封装主体材料:UNSPECIFIED
封装代码:HQCCN封装等效代码:LCC24,.16X.24,25
封装形状:RECTANGULAR封装形式:CHIP CARRIER, HEAT SINK/SLUG
认证状态:Not Qualified座面最大高度:1.15 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:BUCK最大切换频率:4000 kHz
技术:CMOS温度等级:INDUSTRIAL
端子形式:NO LEAD端子节距:0.65 mm
端子位置:QUAD宽度:4 mm
Base Number Matches:1

EN5322QI-E 数据手册

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EN5322QI  
2 A Voltage Mode Synchronous Buck PWM  
DC-DC Converter with Integrated Inductor  
RoHS Compliant  
Halogen Free  
General Description  
Features  
The EN5322 is a high efficiency synchronous  
buck converter with integrated inductor, PWM  
controller, MOSFETS, and compensation  
providing the smallest possible solution size.  
Revolutionary Integrated Inductor  
Total Solution Footprint as Small as 50 mm2  
4 mm x 6 mm x 1.1 mm QFN Package  
4 MHz Fixed Switching Frequency  
High Efficiency, up to 95 %  
Low Ripple Voltage; 8 mVP-P Typical  
2% Initial VOUT Accuracy with VID Codes  
2% Initial 0.6 V Feedback Voltage Accuracy  
2.4 V to 5.5 V Input Voltage Range  
2 A Continuous Output Current Capability  
Fast Transient Response  
Low Dropout Operation: 100 % Duty Cycle  
Power OK Signal with 5 mA Sink Capability  
Dynamic Voltage Scaling with VID Codes  
17 μA Typical Shutdown Current  
Under Voltage Lockout, Over Current, Short  
Circuit, and Thermal Protection  
The 4 MHz operation allows for the use of tiny  
MLCC capacitors. It also enables a very wide  
control loop bandwidth providing excellent  
transient performance and reduced output  
impedance. The internal compensation is  
designed for unconditional stability across all  
operating conditions.  
Three VID output voltage select pins provide  
seven pre-programmed output voltages along  
with an option for external resistor divider.  
Output voltage can be programmed on-the-fly to  
provide fast, dynamic voltage scaling with  
smooth transitions between VID programmed  
output voltages.  
RoHS Compliant; MSL 3 260 °C Reflow  
Applications  
Point of Load Regulation for Low Power  
Processors, Network Processors, DSPs’  
FPGAs and ASICs  
Application Circuit  
Replacement of LDOs  
ENABLE  
VOUT  
VSENSE  
VIN  
PVIN  
VOUT  
Noise Sensitive Applications such as A/V and  
CIN  
VS0  
VS1  
RF  
EN5322POK  
COUT  
47 uF  
10 uF  
VS2  
Computing, Computer Peripherals, Storage,  
Networking, and Instrumentation  
DSL, STB, DVR, DTV, and iPC  
PGND  
PGND  
AVIN  
AGND  
1 uF  
Ordering Information  
Part Number  
EN5322QI-T  
EN5322QI-E  
Temp Rating (°C)  
Package  
24-pin QFN T&R  
Figure 1. Typical Application Circuit  
-40 to +85  
QFN Evaluation Board  
©Enpirion 2008 all rights reserved, E&OE  
1
www.enpirion.com  
03454  
4/24/2009  
Rev:A  

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