请求解答型号为l7805cv是什么晶体管元件

吴奇伟2023-02-08  18

L7805CV是正电压5V三端稳压模块。

基本参数:

输出电压:4.75-5.25V;

静态电流:4.2-8mA;

输出噪音电压:40uV;

纹波抑制比:78dB;

输出电阻:17mΩ;

输出电压温度系数-1.1mV/°C;

输出电流可达1.5A ,不需外接补偿元件。

内含限流保护电流,防止负载短路烧毁元件。

内含高温过热保护电路,防止结温过热烧毁器件。

内含功耗限制电路,防止烧毁输出驱动器晶体管。

输出电压:4.75-5.25V;

最大输入电压:35V;

静态电流:4.2-8mA;

输出噪音电压:40uV;

纹波抑制比:78dB;

输出电阻:17mΩ;

输出电压温度系数-1.1mV/°C;(注:L7805CV与7805相通)

英文描述:postive voltage regulators中文描述:正电压稳压器L7805CV 和 STMicroelectronics 信息Manufactured by STMicroelectronics, L7805CV is a 线性调节器. STMicroelectronics is one of the world's largest semiconductor companies with net revenues of US$ 8.49 billion in 2012. Offering one of the industry's broadest product portfolios, ST serves customers across the spectrum of electronics applications with innovative semiconductor solutions by leveraging its vast array of technologies, design expertise and combination of intellectual property portfolio, strategic partnerships and manufacturing strength.

参数 符号 测试条件 最小值 典型值 最大值 单位 输出电压 Vo Tj=25℃ 4.8 5.0 5.2 V 5.0mA<1o<1.0A,Po<15WVi=7.5v to 20v 4.75 5.00 5.25 V 线性调整率 △Vo Tj=25℃,Vi=7.5V to 25V 4.0 100 mV Tj=25℃,Vi=8V to 12V 1.6 50 mV 负载调整率 △Vo Tj=25℃,lo=5.0mA to 1.5A 9 100 mV Tj=25℃,lo=250mA to 750mA 4 50 mV 静态电流 IQ Tj=25℃ 5.0 8 mA 静态电流变化率 △IQ lo=5mA to 1.0A 0.03 0.5 mA Vi=8V to 25V 0.3 0.8 mA 输出电压温漂 △Vo/△T lo=5mA 0.8 mV/℃ 输出噪音电压 VN f=10Hz to 100KHz,Ta=25℃ 42 μV 纹波抑制比 RR f=120Hz,Vi=8V to 18V 62 73 dB 输入输出电压差 Vo lo=1.0A,Tj=25℃ 2 V 输出阻抗 Ro f=1KHz 15 mΩ 短路电流 1SC Vi=35V,Ta=25℃ 230 mA 峰值电流 1PK Tj=25℃ 2.2 A


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