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LP2954AIM PDF预览

LP2954AIM

更新时间: 2024-11-22 22:36:43
品牌 Logo 应用领域
美国国家半导体 - NSC 线性稳压器IC调节器电源电路光电二极管输出元件
页数 文件大小 规格书
13页 339K
描述
5V and Adjustable Micropower Low-Dropout Voltage Regulators

LP2954AIM 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:SO-8Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.12可调性:FIXED/ADJUSTABLE
最大回动电压 1:0.8 V标称回动电压 1:0.47 V
JESD-30 代码:R-PDSO-G8JESD-609代码:e0
长度:4.9 mm湿度敏感等级:1
功能数量:1输出次数:1
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 1:0.25 A
最大输出电压 1:5.07 V最小输出电压 1:4.93 V
标称输出电压 1:5 V封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):235认证状态:Not Qualified
调节器类型:ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR座面最大高度:1.75 mm
子类别:Other Regulators表面贴装:YES
技术:BIPOLAR端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:3.9 mmBase Number Matches:1

LP2954AIM 数据手册

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June 1999  
LP2954/LP2954A  
5V and Adjustable Micropower Low-Dropout Voltage  
Regulators  
General Description  
Features  
n 5V output within 1.2% over temperature (A grade)  
n Adjustable 1.23 to 29V output voltage available  
(LP2954IM and LP2954AIM)  
The LP2954 is a 5V micropower voltage regulator with very  
low quiescent current (90 µA typical at 1 mA load) and very  
low dropout voltage (typically 60 mV at light loads and  
470 mV at 250 mA load current).  
n Guaranteed 250 mA output current  
n Extremely low quiescent current  
n Low dropout voltage  
The quiescent current increases only slightly at dropout  
(120 µA typical), which prolongs battery life.  
The LP2954 with  
a
fixed 5V output is available in the  
n Reverse battery protection  
three-lead TO-220 and TO-263 packages. The adjustable  
LP2954 is provided in an 8-lead surface mount, small outline  
package. The adjustable version also provides a resistor net-  
work which can be pin strapped to set the output to 5V.  
n Extremely tight line and load regulation  
n Very low temperature coefficient  
n Current and thermal limiting  
n Pin compatible with LM2940 and LM340 (5V version  
only)  
Reverse battery protection is provided.  
The tight line and load regulation (0.04% typical), as well as  
very low output temperature coefficient make the LP2954  
well suited for use as a low-power voltage reference.  
n Adjustable version adds error flag to warn of output drop  
and a logic-controlled shutdown  
Output accuracy is guaranteed at both room temperature  
and over the entire operating temperature range.  
Applications  
n High-efficiency linear regulator  
n Low dropout battery-powered regulator  
Package Outline and Ordering Information  
TO-220 3–Lead Plastic Package  
SO-8 Small Outline Surface Mount  
DS011128-2  
Front View  
Order Number LP2954AIT or LP2954IT  
See NS Package T03B  
DS011128-33  
Top View  
Order Number LP2954AIM or LP2954IM  
See NS Package M08A  
© 1999 National Semiconductor Corporation  
DS011128  
www.national.com  

LP2954AIM 替代型号

型号 品牌 替代类型 描述 数据表
LP2954IM/NOPB TI

功能相似

250mA、30V、低压降稳压器 | D | 8 | -40 to 125
LP2954AIMX/NOPB TI

功能相似

250mA、30V、高精度、低压降稳压器 | D | 8 | -40 to 125
LP2954AIM/NOPB TI

功能相似

250-mA, 30-V, low-dropout voltage regulator with high-accuracy 8-SOIC -40 to 125

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LP2954AIS NSC

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LP2954AIS TI

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暂无描述
LP2954AISX NSC

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5V and Adjustable Micropower Low-Dropout Voltage Regulators
LP2954AISX TI

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LP2954/LP2954A 5V and Adjustable Micropower Low-Dropout Voltage Regulators
LP2954AISX/NOPB NSC

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IC VREG 5 V FIXED POSITIVE LDO REGULATOR, 0.8 V DROPOUT, PSSO3, TO-263, 3 PIN, Fixed Posit