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LP2951ACSDX-3.0/NOPB

更新时间： 2024-09-28 14:52:43
品牌 Logo 应用领域
德州仪器 - TI 光电二极管
页数 文件大小 规格书
54页 2337K
描述
IC,VOLT REGULATOR,FIXED/ADJUSTABLE,+1.24 TO +29V,BIPOLAR,LLCC,8PIN,PLASTIC

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LP2951ACSDX-3.0/NOPB 技术参数

是否Rohs认证：符合生命周期：Obsolete
包装说明：SON, SOLCC8,.15,32Reach Compliance Code：compliant
风险等级：5.82Is Samacsys：N
可调性：FIXED/ADJUSTABLE标称回动电压 1：0.38 V
最大绝对输入电压：30 VJESD-30 代码：R-PDSO-N8
JESD-609代码：e3最大电网调整率：0.006%
最大负载调整率：0.006%湿度敏感等级：1
输出次数：2端子数量：8
工作温度TJ-Max：125 °C工作温度TJ-Min：-40 °C
最大输出电流 1：0.1 A标称输出电压 1：3 V
最大输出电压 2：29 V最小输出电压 2：1.24 V
封装主体材料：PLASTIC/EPOXY封装代码：SON
封装等效代码：SOLCC8,.15,32封装形状：RECTANGULAR
封装形式：SMALL OUTLINE包装方法：TAPE AND REEL
认证状态：Not Qualified子类别：Other Regulators
表面贴装：YES技术：BIPOLAR
端子面层：Matte Tin (Sn)端子形式：NO LEAD
端子节距：0.8 mm端子位置：DUAL
最大电压容差：1.4%Base Number Matches：1

LP2951ACSDX-3.0/NOPB 数据手册

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Support &  
Community  
Product  
Folder  
Order  
Now  
Tools &  
Software  
Technical  
Documents  
LP2950-N, LP2951-N  
SNVS764Q –JANUARY 2000–REVISED DECEMBER 2017  
LP295x-N Series of Adjustable Micropower Voltage Regulators  
1 Features  
3 Description  
The LP2950-N and LP2951-N are micropower  
1
•
•
Input Voltage Range: 2.3 V to 30 V  
voltage regulators with very low quiescent current  
(75 µA typical) and very low dropout voltage (typical  
40 mV at light loads and 380 mV at 100 mA). They  
are ideally suited for use in battery-powered systems.  
Furthermore, the quiescent current of the device  
increases only slightly in dropout, prolonging battery  
life.  
5-V, 3-V, and 3.3-V Output Voltage Versions  
Available  
•
•
•
•
•
•
•
•
•
•
High Accuracy Output Voltage  
Ensured 100-mA Output Current  
Extremely Low Quiescent Current  
Low Dropout Voltage  
Careful design of the LP2950-N/LP2951-N has  
minimized all contributions to the error budget. This  
Extremely Tight Load and Line Regulation  
Very Low Temperature Coefficient  
Use as Regulator or Reference  
Needs Minimum Capacitance for Stability  
Current and Thermal Limiting  
includes  
a tight initial tolerance (0.5% typical),  
extremely good load and line regulation (0.05%  
typical) and a very low output voltage temperature  
coefficient, making the part useful as a low-power  
voltage reference.  
Stable With Low-ESR Output Capacitors (10 mΩ  
to 6 Ω)  
One such feature is an error flag output which warns  
of a low output voltage, often due to falling batteries  
on the input. It may be used for a power-on reset. A  
second feature is the logic-compatible shutdown input  
which enables the regulator to be switched on and  
off. Also, the part may be pin-strapped for a 5-V, 3-V,  
or 3.3-V output (depending on the version), or  
programmed from 1.24 V to 29 V with an external  
pair of resistors.  
•
LP2951-N Versions Only:  
–
–
–
Error Flag Warns of Output Dropout  
Logic-Controlled Electronic Shutdown  
Output Programmable From 1.24 V to 29 V  
2 Applications  
•
•
•
•
High-Efficiency Linear Regulator  
The LP2950-N is available in the surface-mount TO-  
252 package and in the popular 3-pin TO-92 package  
for pin-compatibility with older 5-V regulators. The 8-  
pin LP2951-N is available in plastic, ceramic dual-in-  
line, WSON, or metal can packages and offers  
additional system functions.  
Regulator with Undervoltage Shutdown  
Low Dropout Battery-powered Regulator  
Snap-ON/Snap-OFF Regulator  
space  
space  
space  
space  
space  
space  
space  
space  
space  
Device Information(1)  
PART NUMBER PACKAGE  
BODY SIZE (NOM)  
4.30 mm × 4.30 mm  
9.91 mm × 6.58 mm  
4.90 mm × 3.91 mm  
3.00 mm × 3.00 mm  
4.00 mm × 4.00 mm  
9.81 mm × 6.35 mm  
TO-92 (3)  
LP2950-N  
TO-252 (3)  
SOIC (8)  
VSSOP (8)  
LP2951-N  
WSON (8)  
PDIP (8)  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
LP2951 Simplified Schematic  
LP2951  
VOUT  
VIN  
LP2950-N Simplified Schematic  
OUT  
IN  
LP2950  
COUT  
2.2 µF  
CIN  
1 µF  
SENSE  
FEEDBACK  
VOUT  
VIN  
IN  
OUT  
VFEEDBACK  
SHUTDOWN  
SHUTDOWN  
GND  
VTAP  
COUT  
2.2 µF  
CIN  
1 µF  
R1  
330 kꢀ  
GND  
VOUT  
ERROR  
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.  
 
 
 
 
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