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LP3991TLX-3.0/NOPB PDF预览

LP3991TLX-3.0/NOPB

更新时间: 2024-11-26 20:44:15
品牌 Logo 应用领域
美国国家半导体 - NSC 输出元件调节器
页数 文件大小 规格书
12页 269K
描述
IC VREG 3 V FIXED POSITIVE REGULATOR, PBGA4, 0.963 X 1.446 MM, ROHS COMPLIANT, MICRO SMD-4, Fixed Positive Single Output Standard Regulator

LP3991TLX-3.0/NOPB 技术参数

是否Rohs认证:符合生命周期:Transferred
包装说明:VFBGA, BGA4,2X2,20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.16Is Samacsys:N
可调性:FIXED标称回动电压 1:0.075 V
最大绝对输入电压:6.5 V最大输入电压:3.6 V
最小输入电压:1.65 VJESD-30 代码:R-PBGA-B4
JESD-609代码:e1长度:1.446 mm
最大电网调整率:0.003%湿度敏感等级:1
功能数量:1输出次数:1
端子数量:4工作温度TJ-Max:125 °C
工作温度TJ-Min:-40 °C最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流 1:0.3 A
最大输出电压 1:3.09 V最小输出电压 1:2.91 V
标称输出电压 1:3 V封装主体材料:PLASTIC/EPOXY
封装代码:VFBGA封装等效代码:BGA4,2X2,20
封装形状:RECTANGULAR封装形式:GRID ARRAY, VERY THIN PROFILE, FINE PITCH
包装方法:TAPE AND REEL峰值回流温度(摄氏度):260
认证状态:Not Qualified调节器类型:FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR
座面最大高度:0.675 mm子类别:Other Regulators
表面贴装:YES技术:CMOS
端子面层:Tin/Silver/Copper (Sn/Ag/Cu)端子形式:BALL
端子节距:0.5 mm端子位置:BOTTOM
处于峰值回流温度下的最长时间:40最大电压容差:3%
宽度:0.963 mmBase Number Matches:1

LP3991TLX-3.0/NOPB 数据手册

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September 5, 2008  
LP3991  
300mA Linear Voltage Regulator for Digital Applications  
General Description  
Features  
Operating from a minimum input voltage of 1.65V, the LP3991  
regulator has been designed to provide fixed stable output  
voltages for load currents up to 300mA. This device is suitable  
where accurate, low voltages are required from low input volt-  
age sources and is therefore suitable for post regulation of  
switched mode regulators. In such applications, significant  
improvements in performance and EMI can be realized, with  
little reduction in overall efficiency. The LP3991 will provide  
fixed outputs as low as 1.2V from a wide input range of 1.65V  
to 4.0V Using the enable pin, the device may be controlled to  
provide a shutdown state, in which negligible supply current  
is drawn.  
Operation from 1.65V to 4.0V Input  
1% accuracy at room temperature  
Output Voltage from 1.2V to 2.8V  
125mV Dropout at 300mA load  
50µA Quiescent Current at 1mA Load  
Inrush Current controlled to 600mA  
PSRR 65dB at 1kHz  
100µs Start-Up time for 1.5V VOUT  
Stable with Ceramic Capacitors as small as 0402  
Thermal-Overload and Short-Circuit Protection  
The LP3991 is designed to be stable with space saving ce-  
ramic capacitors as small as 0402 case size.  
Package  
4 pin micro SMD (0.963mm x 1.446mm)  
Performance is specified for a -40°C to 125°C junction tem-  
perature range.  
For other package options contact your NSC sales office.  
For output voltage options please contact your local NSC  
sales office.  
Applications  
Post DC/DC Regulator  
Battery Operated Devices  
Hand-Held Information Appliances  
Typical Application Circuit  
20110002  
© 2008 National Semiconductor Corporation  
201100  
www.national.com  

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