负15V,1A三端稳压器LM7915中文资料(引脚图,电气特性参数,应用电路)
Electrical Characteristics 电气特性 (MC7915)
(VI = -23V, IO = 500mA, 0℃ ≤TJ ≤ +125℃, CI =2.2μF, CO =1μF, unless otherwise specified.)
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
IO = 5mA to 1A, PO ≤ 15W VI = -18V to -30V -14.25 -15 -15.75
Line Regulation 线性调整率(Note1) ΔVO TJ=+25℃ VI = -17.5V to -30V - 12 300 mV
VI = -20V to -26V - 6 150
Load Regulation 负载调整率(Note1) (Note1) ΔVO TJ=+25℃ IO = 5mA to 1.5A - 12 300 mV
TJ =+25℃ IO = 250mA to 750mA - 4 150
Quiescent Current 静态电流 IQ TJ =+25℃ - 3 6 mA
Quiescent Current Change 静态电流变化 ΔIQ IO = 5mA to 1A - 0.05 0.5 mA
VI = -18.5V to -30V - 0.1 1
Temperature Coefficient of VD 温度系数 ΔVo/ΔT IO = 5mA - -0.9 - mV/℃
Output Noise Voltage 输出噪声电压 VN f = 10Hz to 100KHz TA =+25℃ - 250 - μV
Ripple Rejection 纹波抑制 RR f = 120Hz ΔVI = 10V 54 60 - dB
Dropout Voltage 电压差 VD TJ=+25℃ IO = 1A - 2 - V
Short Circuit Current 短路电流 ISC TJ =+25℃, VI = -35V - 300 - 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 数值
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
℃
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