(参照测试电路 ,0°C < TJ < 125°C, IO =500mA, VI =15V, CI=0.33iF, CO=0.1iF, 除非另有说明)
Parameter 参数 | Symbol 符号 | Conditions 条件 | MC7809 LM7809 | 单位 | ||||
| 最小 | 典型 | 最大 | ||||||
| Output Voltage 输出电压 | VO | TJ =+25℃ | 8.65 | 9 | 9.35 | V | ||
| 5.0mA≤ IO ≤1.0A, PO ≤15W VI=11.5V to 24V | 8.6 | 9 | 9.4 | |||||
| Line Regulation 线性调整率 (Note1) | Regline | TJ=+25℃ | VI =11.5V to 25V | - | 6 | 180 | mV | |
| VI =12V to 17V | - | 2 | 90 | |||||
| Load Regulation 负载调整率 (Note1) | Regload | TJ=+25℃ | IO =5mA to 1.5A | - | 12 | 180 | mV | |
| IO =250mA to 750mA | - | 4 | 90 | |||||
| Quiescent Current 静态电流 | IQ | TJ=+25℃ | - | 5.0 | 8.0 | mA | ||
| Quiescent Current Change 静态电流变化 | ΔIQ | IO =5mA to 1.0A | - | - | 0.5 | mA | ||
| VI =11.5V to 26V | - | - | 1.3 | |||||
| Output Voltage Drift 输出电压漂移 | ΔVO/ΔT | IO =5mA | - | -1 | - | mV/ ℃ | ||
| Output Noise Voltage 输出噪声电压 | VN | f =10Hz to 100KHz, TA =+25 ℃ | - | 58 | - | μV/Vo | ||
| Ripple Rejection 纹波抑制 | RR | f =120Hz VI =13V to 23V | 56 | 71 | - | dB | ||
| Dropout Voltage 电压差 | VDrop | IO =1A, TJ=+25℃ | - | 2 | - | V | ||
| Output Resistance 输出电阻 | rO | f =1KHz | - | 17 | - | mΩ | ||
| Short Circuit Current 短路电流 | ISC | VI=35V, TA =+25℃ | - | 250 | - | mA | ||
| Peak Current 峰值电流 | IPK | TJ=+25℃ | - | 2.2 | - | A | ||
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 |
