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A8187SLT PDF预览

A8187SLT

更新时间: 2024-10-27 22:26:51
品牌 Logo 应用领域
急速微 - ALLEGRO 线性稳压器IC调节器电源电路输出元件功效
页数 文件大小 规格书
8页 119K
描述
LOW-DROPOUT, 3.3 V REGULATOR . HIGH EFFICIENCY

A8187SLT 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOT-89包装说明:, TO-243
针数:3Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.92Is Samacsys:N
可调性:FIXED最大回动电压 1:0.3 V
标称回动电压 1:0.3 V最大绝对输入电压:10 V
最大输入电压:8 V最小输入电压:4 V
JESD-30 代码:R-PSSO-F3JESD-609代码:e0
长度:4.5 mm最大电网调整率:0.02%
最大负载调整率:0.03%功能数量:1
输出次数:1端子数量:3
工作温度TJ-Max:150 °C最高工作温度:85 °C
最低工作温度:-20 °C最大输出电流 1:0.15 A
最大输出电压 1:3.4 V最小输出电压 1:3.2 V
标称输出电压 1:3.3 V封装主体材料:PLASTIC/EPOXY
封装等效代码:TO-243封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified调节器类型:FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度:1.6 mm子类别:Other Regulators
表面贴装:YES端子面层:Tin/Lead (Sn/Pb)
端子形式:FLAT端子节距:1.5 mm
端子位置:SINGLE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:2.445 mm
Base Number Matches:1

A8187SLT 数据手册

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8187  
LOW-DROPOUT, 3.3 V REGULATOR  
— HIGH EFFICIENCY  
Designed specifically to meet the requirement for extended opera-  
tion of battery-powered equipment such as cordless and cellular  
telephones, the A8187SLT voltage regulator offers the reduced dropout  
voltage and quiescent current essential for maximum battery life.  
Applicable also to palmtop computers and personal data assistants, the  
device delivers a regulated, continuous 3.3 V output at up to 75 mA  
under normal operating conditions, or to 150 mA (transient) under  
worst-case conditions.  
3.3 V  
VR  
A PMOS pass element provides a typical dropout voltage of only  
85 mV at 60 mA of load current. The low dropout voltage permits  
deeper battery discharge before output regulation is lost. Furthermore,  
quiescent current does not increase as the dropout voltage is ap-  
proached, an ideal feature in standby/resume power systems where  
data integrity is crucial. Regulator accuracy and excellent temperature  
characteristics are provided by a bandgap reference.  
2
1
3
This device is supplied in a small-outline plastic transistor package  
(SOT-89/TO-243AA) for surface-mount applications. The A8187SLT is  
rated for operation over a temperature range of -20°C to +85°C. A  
similar device with an ENABLE input for control over sequential power  
up, standby, or power down is the A8186SLU.  
Dwg. PS-022-1  
FEATURES AND BENEFITS  
I High Efficiency Provides Extended Battery Life  
I 85 mV Typical Dropout Voltage at IO = 60 mA  
I 45 µA Typical Quiescent Current at VI = 6 V  
I Up to 150 mA Output Current  
ABSOLUTE MAXIMUM RATINGS  
Input Voltage, VI . . . . . . . . . . . . . . 10 V  
Output Current, IO . . . . . . . . . 150 mA*  
Operating Temperature Range,  
I Internal Thermal Protection  
TA . . . . . . . . . . . . . -20°C to +85°C  
Junction Temperature, TJ . . . +150°C  
I Surface-Mount Package  
APPLICATIONS  
Storage Temperature Range,  
TS . . . . . . . . . . . . -40°C to +150°C  
I Cordless and Cellular Telephones  
I Personal Data Assistants  
I Personal Communicators  
I Palmtop Computers  
* Output current rating is limited by input voltage,  
duty cycle, and ambient temperature. Under  
any set of conditions, do not exceed a junction  
temperature of +150°C. See next page.  
† Fault conditions that produce excessive junction  
temperature will activate device thermal  
shutdown circuitry. These conditions can be  
tolerated but should be avoided.  
Always order by complete part number: A8187SLT  
.

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