Electrical Characteristics 电气特性 (MC7815A/LM7815A) (Refer to test circuit参照测试电路 , |
Parameter 参数 | Symbol 符号 | Conditions 条件 | 最小 | 典型 | 最大 | 单位 | |
| Output Voltage 输出电压 | VO | TJ =+25℃ | 14.7 | 15 | 15.3 | V | |
| IO =5mA to 1A, PO ≤15W VI =17.7V to 30V | 14.4 | 15 | 15.6 | ||||
| Line Regulation 线性调整率 (Note1) | Regline | VI=17.9V to 30V IO =500mA | - | 10 | 150 | mV | |
| VI=20V to 26V | - | 5 | 150 | ||||
| TJ =+25℃ | VI=17.5V to 30V | - | 11 | 150 | |||
| VI=20V to 26V | - | 3 | 75 | ||||
| Load Regulation 负载调整率 (Note1) | Regload | TJ =+25℃ IO =5mA to 1.5A | - | 12 | 100 | mV | |
| IO =5mA to 1.0A | - | 12 | 100 | ||||
| IO =250mA to 750mA | - | 5 | 50 | ||||
| Quiescent Current 静态电流 | IQ | TJ =+25℃ | - | 5.2 | 6.0 | mA | |
| Quiescent Current Change 静态电流变化 | ΔIQ | VI =17.5V to 30V, TJ =+25℃ | - | - | 0.8 | mA | |
| VI =17.5V to 30V, IO =500mA | - | - | 0.8 | ||||
| IO =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 | VN | f =10Hz to 100KHz TA =+25℃ | - | 10 | - | μV/Vo | |
| Ripple Rejection 纹波抑制 | RR | f =120Hz, IO =500mA VI =18.5V to 28.5V | - | 58 | - | dB | |
| Dropout Voltage 电压差 | VDrop | IO =1A, TJ =+25℃ | - | 2.0 | - | V | |
| Output Resistance 输出电阻 | rO | f =1KHz | - | 19 | - | mΩ | |
| Short Circuit Current 短路电流 | ISC | VI=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 | |||
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图9 D-PAK封装图 |
