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SPX1582U-3.3

更新时间： 2024-11-16 20:33:59
品牌 Logo 应用领域
艾科嘉 - EXAR 局域网输出元件调节器
页数 文件大小 规格书
5页 172K
描述
Fixed Positive LDO Regulator, 3.3V, 0.5V Dropout, PSFM5, TO-220, 5 PIN

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SPX1582U-3.3 技术参数

是否无铅： 含铅生命周期：Obsolete
零件包装代码：SFM包装说明：TO-220,
针数：3Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.66Is Samacsys：N
最大回动电压 1：0.5 V最大输入电压：12 V
最小输入电压：3.3 VJESD-30 代码：R-PSFM-T5
JESD-609代码：e0功能数量：1
端子数量：5工作温度TJ-Max：125 °C
工作温度TJ-Min：最大输出电流 1：3 A
最大输出电压 1：3.432 V最小输出电压 1：3.168 V
标称输出电压 1：3.3 V封装主体材料：PLASTIC/EPOXY
封装代码：TO-220封装形状：RECTANGULAR
封装形式：FLANGE MOUNT峰值回流温度（摄氏度）：NOT APPLICABLE
认证状态：Not Qualified调节器类型：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
表面贴装：NO端子面层：TIN LEAD
端子形式：THROUGH-HOLE端子位置：SINGLE
处于峰值回流温度下的最长时间：NOT APPLICABLEBase Number Matches：1

SPX1582U-3.3 数据手册

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SPX1582  
3A Ultra Low Dropout Voltage Regulator  
Fast Response, Adjustable & Fixed  
FEATURES  
APPLICATIONS  
• Low Dropout Voltage 500mV at 3A Full Load Current  
• Fixed Output Voltages of 3.3V, 2.8V & 2.5V  
• Adjustable Output Down to 1.2V from ATX Power Supply  
• Extremely Tight Voltage and Line Regulation  
• Standard 5-Terminal Low Cost TO-220 & TO-263  
• 3.3V to 2.8V ATX Power Supplies  
• 3.3V to 2.9V for Portable PENTIUMProcessor  
• 5V to 3.5V VRE Supply  
• High Efficiency “Green” Computer Systems  
PRODUCT DESCRIPTION  
The SPX1582 is a 3A Low Dropout Regulator with extremely low dropout voltage. The adjustable version requires only two external  
resistors to set the output voltage. The fixed version has a preset output of 3.3V, 2.8V or 2.5V and does not require any external  
resistors. The SPX1582 features a low dropout of less than 400mV(typ.) and offers fast transient response. This device is suitable  
for Pentium applications requiring 2.8V or 2.5V from 3.3V ATX power supplies, where a low current input voltage 1V greater  
than the output voltage is needed. With an external sense pin the load regulation is less than 1mV. This device is an excellent choice  
for the use in powering low voltage microprocessors that require a lower dropout, fast transient response to regulate from 3.3V and 5V  
supplies. The SPX1582 is also an excellent choice as a post regulator for switching supplies applications.  
The SPX1582 offers full protection against over-current faults, reversed input polarity, over temperature operation and positive and  
negative transient voltage.  
The SPX1582 is offered in a 5 pin TO-220 and TO-263 compatible with industry standard 5-terminal regulators. For 7A, 5A and 1.5A  
ultra low dropout versions refer to SPX1580, SPX1581 and SPX1583 data sheets respectively.  
PIN CONNECTIONS  
TO-220-5 (U)  
TO-263-5 (T)  
1. SENSE  
2. ADJ or FIXED  
3. VOUT  
SPX1582  
1. SENSE  
2. ADJ or FIXED  
3. VOUT  
SPX1582  
1
2
3
4 5  
1
2
4
3 5  
4. VCTRL  
4. VCTRL  
5. VIN  
5. VIN  
Top View  
Front View  
Date: 5/12/04  
12345

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