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TC2576-5.0VAT

更新时间： 2024-09-09 21:10:51
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美国微芯 - MICROCHIP 局域网开关
页数 文件大小 规格书
25页 213K
描述
3 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSFM5, TO-220, 5 PIN

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TC2576-5.0VAT 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：End Of Life零件包装代码：SFM
包装说明：, SIP5,.1,67TB针数：3
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.66
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：VOLTAGE-MODE
最大输入电压：40 V最小输入电压：8 V
标称输入电压：12 VJESD-30 代码：R-PSFM-T5
JESD-609代码：e3功能数量：1
端子数量：5最高工作温度：125 °C
最低工作温度：-40 °C最大输出电流：7.5 A
封装主体材料：PLASTIC/EPOXY封装等效代码：SIP5,.1,67TB
封装形状：RECTANGULAR封装形式：FLANGE MOUNT
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
子类别：Switching Regulator or Controllers表面贴装：NO
切换器配置：BUCK最大切换频率：63 kHz
温度等级：AUTOMOTIVE端子面层：Matte Tin (Sn)
端子形式：THROUGH-HOLE端子节距：1.7 mm
端子位置：SINGLE处于峰值回流温度下的最长时间：NOT SPECIFIED
Base Number Matches：1

TC2576-5.0VAT 数据手册

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TC2576  
3.0A Step-Down Switching Regulator  
GENERAL DESCRIPTION  
FEATURES  
The TC2576 series of regulators are monolithic inte-  
gratedcircuitsideallysuitedforeasyandconvenientdesign  
of a step–down switching regulator (buck converter). All  
circuits of this series are capable of driving a 3.0A load with  
excellent line and load regulation. These devices are avail-  
able in fixed output voltages of 3.3V, 5.0V, 12.0V and  
an adjustable output version.  
These regulators were designed to minimize the num-  
ber of external components to simplify the power supply  
design. Standard series of inductors optimized for use with  
the TC2576 are offered by several different inductor manu-  
facturers.  
■ 3.3V, 5.0V, 12V and Adjustable Output Versions  
■ Adjustable Version Output Voltage Range:  
1.23 to 37V ±4% Max. Over Line and Load Conditions  
■ Guaranteed 3.0A Output Current  
■ Wide Input Voltage Range  
■ Requires Only 4 External Components  
■ 52kHz Fixed Frequency Internal Oscillator  
■ TTL Shutdown Capability, Low Power Standby Mode  
■ High Efficiency  
■ Uses Readily Available Standard Inductors  
■ Thermal Shutdown and Current Limit Protection  
APPLICATIONS  
Since the TC2576 converter is a switch-mode power  
supply, its efficiency is significantly higher in comparison  
withpopularthree-terminallinearregulators,especiallywith  
higher input voltages. In many cases, the power dissipated  
is so low, that no heatsinking is required or its size can be  
reduced dramatically.  
Astandardseriesofinductorsoptimizedforusewiththe  
TC2576 are available from several different manufacturers.  
This feature greatly simplifies the design of switch-mode  
power supplies.  
■ Simple and High-Efficiency Step-Down (Buck)  
Regulator  
■ Efficient Pre–Regulator for Linear Regulators  
■ On–Card Switching Regulators  
■ Positive to Negative Converters (Buck–Boost)  
■ Negative Step-Up Converters  
■ Power Supply for Battery Chargers  
The TC2576 features include a guaranteed ±4% toler-  
ance on output voltage within specified input voltages and  
output load conditions, and ±10% on the oscillator fre-  
quency (±2% over 0°C to +125°C). External shutdown is  
included, featuring 80µA (typical) standby current. The  
output switch includes cycle-by-cycle current limiting, as  
well as thermal shutdown for full protection under fault  
conditions.  
PIN CONFIGURATIONS  
5-Pin TO-220  
TC2576  
ORDERING INFORMATION  
Part  
Number  
Temperature  
Range  
3 4 5  
2
1
Package  
TC2576-3.3VAT  
TC2576-5.0VAT  
TC2576-12.0VAT  
TC2576VAT*  
5-Pin TO-220  
5-Pin TO-220  
5-Pin TO-220  
5-Pin TO-220  
–40 to +125°C  
–40 to +125°C  
–40 to +125°C  
–40 to +125°C  
Note: *ADJ = 1.23 To 37V.  
© 2001 Microchip Technology Inc. DS21399A  
TC2576-2 12/04/00  
1234567...25

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