7905三端稳压集成电路

LM7905中文资料-MC7905-管脚图-参数-三端稳压集成电路-封装-引脚图-典型应用电路图-PDF来源： | 时间：2010年05月08日Electrical Characteristics 电气特性 (MC7905/LM7905)(VI = -10V, IO = 500mA, 0 TJ +125, CI =2.2F, CO =1F, unless otherwise specified.)Parameter 参数Symbol 符号Conditions条件最小.典型.最大.UnitOutput Voltage 输出电压VOTJ=+25- 4.8- 5.0- 5.2VIO = 5mA to 1A, PO 15W VI = -7V to -20V- 4.75-5.0- 5.25Line Regulation (Note1) 线性调整率VOTJ=+25VI = -7V to -20V IO = 1A-550mVVI = -8V to -12V IO = 1A-225VI = -7.5Vto -25V-750VI = -8V to -12V IO = 1A-750Load Regulation 负载调整率(Note1) (Note1)VOTJ = +25 IO = 5mA to 1.5A-10100mVTJ =+25 IO = 250mA to 750mA-350Quiescent Current静态电流IQTJ =+25-36mAQuiescent Current Change静态电流变化 IQIO = 5mA to 1A-0.050.5mAVI = -8V to -25V-0.10.8Temperature Coefficient of VD温度系数Vo/TIO = 5mA- 0.4-mV/Output Noise Voltage 输出噪声电压VNf = 10Hz to 100KHz TA =+25-40-VRipple Rejection 纹波抑制RRf = 120Hz VI = 10V5460-dBDropout Voltage 电压差VDTJ=+25 IO = 1A-2-VShort Circuit Current 短路电流ISCTJ =+25, VI = -35V-300-mAPeak Current 峰值电流 IPKTJ =+25-2.2-A三端稳压集成电路极限参数：Parameter 参数Symbol 符号Value 数值单位Input Voltage输入电压(for VO =5V to 18V)VI35V(for VO =24V)VI40VThermal Resistance Junction-Cases 热阻(结到壳) (TO-220)RJC5/WThermal Resistance Junction-Air热阻(结到空气) (TO-220)RJA65/WOperating Temperature Range工作温度范围TOPR0 +125Storage Temperature Range储存温度范围TSTG-65 +150 图1 79XX内部电路图图2 外形引脚排列图管脚图 图3 79XX参照测试电路及典型电路 图4 输出电压 图5 负载调节率曲线图 图6 电压差