LM7809A中文资料_瑞达电器资料网,华玉生活

LM7809A中文资料

2011/1/13 佚名点击：来源：网络

Electrical Characteristics 电气特性 (MC7809A/LM7809A)

(Refer to test circuit参照测试电路 ,0°C < TJ < 125°C, IO = 500mA, VI = 10V, CI= 0.33ìF, CO= 0.1ìF, 除非另有说明

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 ℃ 8.82 9.0 9.18 VIO =5mA to 1A, PO≤15W VI =11.2V to 24V 8.65 9.0 9.35 Line Regulation 线性调整率 (Note1) Regline VI=11.7V to 25V IO =500mA 690mVVI=12.5V to 19V -4 45 TJ =+25 ℃ VI=11.5V to 24V -6 90 VI=12.5V to 19V -2 45 Load Regulation 负载调整率 (Note1) Regload TJ =+25 ℃ IO =5mA to 1.0A -12 100 mVIO =5mA to 1.0A -12 100 IO =250mA to 750mA -5 50 Quiescent Current 静态电流 IQ TJ =+25 ℃ -5.0 6.0 mA Quiescent Current Change 静态电流变化 ΔIQ VI =11.7V to 25V, TJ=+25 ℃ --0.8 mAVI =12V to 25V, IO =500mA --0.8 IO =5mA to 1.0A --0.5 Output Voltage Drift 输出电压漂移 ΔV/ΔT IO =5mA --1.0 -mV/ ℃ Output Noise Voltage 输出噪声电压 VN f =10Hz to 100KHz TA =+25 ℃ -10 -μV/Vo Ripple Rejection 纹波抑制 RR f =120Hz, IO =500mA VI =12V to 22V -62 -dB Dropout Voltage 电压差 VDrop IO =1A, TJ =+25 ℃ -2.0 -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 ℃