LM78L18A中文资料

作者：dolphin时间：2016-09-30

Electrical Characteristics 电气特性(MC78L18A LM78L18A KA78L18) (Continued)
(VI=27V,IO=40mA,0℃≤TJ≤125℃,CI=0.33μF,CO=0.1μF,unless otherwise specified除非另有说明. (Note 1)
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℃ 17.3 18 18.7 V Line Regulation 线性调整率(Note1) ΔVO TJ = 25℃ 21V ≤ VI ≤ 33V - 145 300 mV 22V ≤ VI ≤ 33V - 135 250 mV Load Regulation 负载调整率 (Note1) ΔVO TJ = 25℃ 1mA ≤ IO≤100mA - 30 170 mV 1mA ≤ IO ≤ 40mA - 15 85 mV Output Voltage 输出电压 VO 21V ≤ VI ≤ 33V 1mA ≤ IO ≤ 40mA 17.1 - 18.9 V 21V ≤ VI ≤ VMAX (Note 2) 1mA ≤ IO ≤ 70mA 17.1 - 18.9 V Quiescent Current 静态电流 IQ TJ = 25℃ - 2.2 6.0 mA Quiescent Current Change 静态电流变化 With Line ΔIQ 21V ≤ VI ≤ 33V - - 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 - 150 - μV/Vo Temperature Coefficient of VO温度系数 ΔVO/ΔT IO = 5mA - -1.8 - mV/℃ Ripple Rejection 纹波抑制 RR f = 120Hz, 23V ≤ VI ≤ 33V, TJ = 25℃ 34 48 - 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VI30V(for VO = 12V to 18V)35(for VO = 24V)40Operating Junction Temperature Range结温工作范围TJ0~ +150℃Storage Temperature Range储存温度范围TSTG-65~ +150℃