Electrical Characteristics 电气特性 (MC7815A/LM7815A)

(Refer to test circuit参照测试电路 ,0°C < TJ < 125°C, IO = 500mA, VI = 10V, CI= 0.33ìF, CO= 0.1ìF, 除非另有说明)

Parameter 参数 Symbol 符号 Conditions 条件 最小 典型 最大 单位 Output Voltage 输出电压 VOTJ =+25℃ 14.7 15 15.3 VIO =5mA to 1A, PO ≤15W VI =17.7V to 30V 14.4 15 15.6 Line Regulation 线性调整率 (Note1) ReglineVI=17.9V to 30V IO =500mA -10 150 mVVI=20V to 26V -5 150TJ =+25℃VI=17.5V to 30V -11 150VI=20V to 26V -3 75 Load Regulation 负载调整率 (Note1) RegloadTJ =+25℃ IO =5mA to 1.5A -12 100 mVIO =5mA to 1.0A -12 100IO =250mA to 750mA -5 50 Quiescent Current 静态电流 IQTJ =+25℃ -5.2 6.0 mA Quiescent Current Change 静态电流变化 ΔIQVI =17.5V to 30V, TJ =+25℃ --0.8 mAVI =17.5V to 30V, IO =500mA --0.8IO =5mA to 1.0A --0.5 Output Voltage Drift 输出电压漂移 ΔV/ΔT IO =5mA --1.0 -mV/℃ Output Noise Voltage 输出噪声电压 VNf =10Hz to 100KHz TA =+25℃ -10 -μV/Vo Ripple Rejection 纹波抑制 RRf =120Hz, IO =500mA VI =18.5V to 28.5V -58 -dB Dropout Voltage 电压差 VDropIO =1A, TJ =+25℃ -2.0 -V Output Resistance 输出电阻 rOf =1KHz -19 -mΩ Short Circuit Current 短路电流 ISCVI=35V, TA =+25℃ -250 -mA

三端稳压集成电路极限参数： Parameter 参数 Symbol 符号 Value 单位 Input Voltage输入电压 (for VO =5V to 18V)VI 35 V (for VO =24V)VI 40 V Thermal Resistance Junction-Cases  热阻(结到壳) (TO-220) RθJC 5 ℃/W Thermal Resistance Junction-Air热阻(结到空气) (TO-220) RθJA 65 ℃/W Operating Temperature Range工作温度范围 TOPR 0 ~ +125 ℃ Storage Temperature Range储存温度范围 TSTG -65 ~ +150 ℃

                             图1 78XX内部电路图

                   图2 78XX参照测试电路                     图3  外形引脚排列图管脚图

                            图4 纹波抑制电路

                      图5 负载调节控制电路

              图6 与79XX系列三端稳压构成的正负对称输出电压电路图

                                图8 TO-220封装图片

                                           图9 D-PAK封装图