Electrical Characteristics 电气特性(MC78L15A LM78L15A KA78L15) (Continued)
(VI=23V, 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℃ 14.4 15 15.6 V Line Regulation 线性调整率(Note1) ΔVO TJ = 25℃ 17.5V ≤ VI ≤ 30V - 25 300 mV 20V ≤ VI ≤ 30V - 20 250 mV Load Regulation 负载调整率 (Note1) ΔVO TJ = 25℃ 1mA ≤ IO ≤ 100mA - 25 150 mV 1mA ≤ IO ≤ 40mA - 12 75 mV Output Voltage 输出电压 VO 17.5V ≤ VI ≤ 30V 1mA ≤ IO ≤ 40mA 14.25 - 15.75 V 17.5V ≤ VI ≤ VMAX (Note 2) 1mA ≤ IO ≤ 70mA 14.25 - 15.75 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 20V ≤ VI ≤ 30V - - 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 - 90 - μV/Vo Temperature Coefficient of VO温度系数 ΔVO/ΔT IO = 5mA - -1.3 - mV/℃ Ripple Rejection 纹波抑制 RR f = 120Hz, 18.5V≤VI ≤28.5V, TJ = 25℃ 34 60 - 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℃
图1 LM78LXXX内部方框图