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LMS1587ISX-ADJ/NOPB PDF预览

LMS1587ISX-ADJ/NOPB

更新时间: 2024-02-09 05:20:55
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
16页 1325K
描述
3A、13V 线性稳压器 | KTT | 3 | -40 to 125

LMS1587ISX-ADJ/NOPB 技术参数

是否无铅: 含铅生命周期:Active
零件包装代码:D2PAK包装说明:ROHS COMPLIANT, TO-263, 3 PIN
针数:4Reach Compliance Code:unknown
风险等级:5.82最大回动电压 1:1.3 V
最大差分输入-输出电压:5.75 V最小差分输入-输出电压:1.5 V
JESD-30 代码:R-PSSO-G3JESD-609代码:e3
长度:10.16 mm湿度敏感等级:3
功能数量:1端子数量:3
工作温度TJ-Max:125 °C工作温度TJ-Min:-40 °C
最大输出电流 1:3 A最大输出电压 1:1.275 V
最小输出电压 1:1.225 V封装主体材料:PLASTIC/EPOXY
封装代码:TO-263封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):245
认证状态:COMMERCIAL调节器类型:ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度:4.79 mm表面贴装:YES
技术:BIPOLAR端子面层:TIN
端子形式:GULL WING端子节距:2.54 mm
端子位置:SINGLE处于峰值回流温度下的最长时间:30
宽度:8.64 mm

LMS1587ISX-ADJ/NOPB 数据手册

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LMS1585A , LMS1587  
SNVS061G MONTH 2003REVISED JULY 2013  
www.ti.com  
APPLICATION NOTE  
OUTPUT VOLTAGE  
The adjustable version develops at 1.25V reference voltage, (VREF), between the output and the adjust terminal.  
As shown in Figure 3, this voltage is applied across resistor R1 to generate a constant current I1. This constant  
current then flows through R2. The resulting voltage drop across R2 adds to the reference voltage to sets the  
desired output voltage.  
The current IADJ from the adjustment terminal introduces an output error. But since it is small (120μA max), it  
becomes negligible when R1 is in the 100Ω range.  
For fixed voltage devices, R1 and R2 are integrated inside the devices.  
VIN  
VIN  
VOUT  
VOUT  
ADJ  
I1  
R1  
VREF  
10 µF  
10 µF  
IADJ  
R2  
R2  
VOUT = VREF (1 + R2) + IADJR2  
R1  
Figure 3. Basic Adjustable Regulator  
6
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Copyright © 2003–2013, Texas Instruments Incorporated  
Product Folder Links: LMS1585A LMS1587  
 

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