LM78L09 KA78L09 MC78L09电气特性 ELECTRICAL Characteristic 参数S
(VI=15V, IO=40mA, 0℃£TJ£125℃, CI=0.33mF,CO=0.1mF, unless otherwise specified.除非另有说明 (Note 1)
Characteristic 参数 | Symbol 符号 | Test Conditions 测试条件 | 最小 | 典型 | 最大 | 单位 | ||
Output Voltage 输出电压 | VO | TJ = 25 ℃ | 8.64 | 9.0 | 9.36 | V | ||
Line Regulation 线性调整率 | ΔVO | TJ =25 ℃ | 11.5V < VI < 24V | 90 | 200 | mV | ||
13V< VI < 24V | 100 | 150 | mV | |||||
Load Regulation 负载调整率 | ΔVO | TJ =25 ℃ | 1mA< IO< 100mA | 20 | 90 | mV | ||
1mA < IO< 40mA | 10 | 45 | mV | |||||
Output Voltage 输出电压 | VO | 11.5V < VI < 24V | 1mA< IO < 40mA | 8.55 | 9.45 | V | ||
11.5V< VI < VMAX (Note 2) | 1mA < IO < 70mA | 8.55 | 9.45 | V | ||||
Quiescent Current 静态电流 | IQ | TJ = 25 ℃ | 2.1 | 6.0 | mA | |||
Quiescent Current Change 静态电流变化 | with line | ΔIQ | 13V < VI < 24V | 1.5 | mA | |||
with load | ΔIQ | 1mA < IO < 40mA | 0.1 | mA | ||||
Output Noise Voltage 输出噪声电压 | VN | TA = 25 ℃, 10Hz < f < 100KHz | 70 | μV/Vo | ||||
Temperature Coefficient of VO 温度系数 | ΔVO/ΔT | IO = 5mA | -0.9 | mV/℃ | ||||
Ripple Rejection 纹波抑制 | RR | f = 120Hz, 12V < VI < 22V, TJ = 25 ℃ | 38 | 44 | dB | |||
Dropout Voltage 电压差 | VD | TJ = 25 ℃ | 1.7 | V | ||||
Note:
1.最大稳态输出电流和输入电压依赖于散热或引线长度
以上的数据代表脉冲试验条件下结温开始测试.
2.局部放电功耗≤0.75W
极限参数:
| Parameter参数 | Symbol 符号 | Value 数值 | 单位 |
| Input Voltage (for VO = 5V, 8V) 输入电压 | VI | 30 | V |
| (for VO = 12V to 18V) | 35 | ||
| (for VO = 24V) | 40 | ||
| Operating Junction Temperature Range结温工作范围 | TJ | 0~ +150 | ℃ |
| Storage Temperature Range储存温度范围 | TSTG | -65~ +150 | ℃ |
图1 LM78LXXX内部方框图
图1 LM78LXXX引脚排列图 图3 LM78LXXX典型测试电路图 |
图4 LM78LXXX TO-92封装图片 |
图5 LM78LXXX 8-SOP封装图片 |
图6 LM78LXXX SOT-89封装图片 |





