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LP3991TL-1.3/NOPB PDF预览

LP3991TL-1.3/NOPB

更新时间: 2023-09-03 20:27:43
品牌 Logo 应用领域
德州仪器 - TI 输出元件稳压器调节器
页数 文件大小 规格书
24页 699K
描述
具有使能功能的 300mA、低压降稳压器 | YZR | 4 | -40 to 125

LP3991TL-1.3/NOPB 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active包装说明:VFBGA, BGA4,2X2,20
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:0.88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 V
JESD-30 代码:R-XBGA-B4JESD-609代码:e1
长度:1.5 mm湿度敏感等级: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
最大输出电流 1:0.3 A最大输出电压 1:3 V
最小输出电压 1:1.2 V标称输出电压 1:1.3 V
封装主体材料:UNSPECIFIED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:TR
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:NOT SPECIFIED
最大电压容差:3%宽度:1.3 mm
Base Number Matches:1

LP3991TL-1.3/NOPB 数据手册

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LP3991  
SNVS296J DECEMBER 2006REVISED JUNE 2016  
LP3991 300-mA LDO for Digital Applications  
1 Features  
3 Description  
Operating from a minimum input voltage of 1.65 V,  
1
Input Voltage From 1.65 V to 4 V  
the LP3991 LDO has been designed to provide fixed  
stable output voltages for load currents up to 300 mA.  
This device is suitable where accurate low voltages  
are required from low input voltage 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 provides fixed outputs as low as 1.2 V from a  
wide input range from 1.65 V to 4 V Using the enable  
(EN) pin, the device may be controlled to provide a  
shutdown state, in which negligible supply current is  
drawn.  
Output Voltage From 0.8 V to 3 V  
1% Accuracy at Room Temperature  
125-mV Dropout at 300-mA Load  
50-µA Quiescent Current at 1-mA Load  
Inrush Current Controlled to 600 mA  
PSRR 65 dB at 1 kHz  
100-µs Start-Up Time for 1.5-V VOUT  
Stable With Ceramic Capacitors as Small as 0402  
Thermal-Overload and Short-Circuit Protection  
2 Applications  
The LP3991 is designed to be stable with space-  
saving ceramic capacitors as small as 0402 case  
size.  
Post DC-DC Regulator  
Battery Operated Devices  
Hand-Held Information Appliances  
Performance is specified for a –40°C to +125°C  
junction temperature range. For output voltage  
options, contact your local Texas Instruments sales  
office.  
Device Information(1)  
PART NUMBER  
LP3991  
PACKAGE  
BODY SIZE (NOM)  
DSBGA (4)  
1.43 mm × 0.96 mm  
(1) For all available packages, see the orderable addendum at  
the end of the datasheet.  
space  
space  
space  
Typical Application Circuit  
LP3991  
IN  
VIN  
B2  
OUT  
1 mF  
CIN  
B1  
4.7 mF  
COUT  
*
Load  
VEN  
EN  
A2  
GND  
A1  
* For VOUT = 1.3 V or less,  
COUT may be reduced to 2.2 mF.  
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
 
 

LP3991TL-1.3/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LP3991TLX-1.3/NOPB TI

完全替代

具有使能功能的 300mA、低压降稳压器 | YZR | 4 | -40 to 125

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