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LM7806A中文资料来源于瑞达科技网
作者:佚名  文章来源:网络  点击数  更新时间:2011/1/13   文章录入:瑞达  责任编辑:瑞达科技

Electrical Characteristics (MC7806AL)M7806A
(Refer to the test circuits. 0℃ < TJ < 125℃, Io =1A, V I =11V, C I=0.33ìF, C O=0.1ìF, 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℃ 5.58 6 6.12 VIO =5mA to 1A, PO ≤ 15W VI =8.6V to 21V 5.76 6 6.24 Line Regulation 线性调整率 (Note1) Regline VI=8.6V to 25V IO =500mA  560mVVI=9V to 13V -3 60 TJ =+25℃ VI=8.3V to 21V -5 60  VI=9V to 13V -1.5 30  Load Regulation 负载调整率 (Note1) Regload TJ =+25℃ IO =5mA to 1.5A -9 100 mVIO =5mA to 1A -4 100 IO =250mA to 750mA -5.0 50 Quiescent Current 静态电流 IQ TJ =+25℃ -4.3 6 mA Quiescent Current Change 静态电流变化 ΔIQ IO =5mA to 1A --0.5 mAVI =9V to 25V, IO =500mA --0.8 VI=8.5V to 21V, TJ =+25℃ --0.8 Output Voltage Drift 输出电压漂移 ΔV/ΔT IO =5mA --0.8 -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 =9V to 19V -65 -dB Dropout Voltage 电压差 VDrop IO =1A, TJ =+25℃ -2 -V Output Resistance 输出电阻 rO f =1KHz -17 -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

 

                             图1 78XX内部电路图

                   图2 78XX参照测试电路                     图3  外形引脚排列图管脚图

                            图4 纹波抑制电路

                      图5 负载调节控制电路

              图6 与79XX系列三端稳压构成的正负对称输出电压电路图

                            图7 典型应用电路图

                                图8 TO-220封装图片

                                           图9 D-PAK封装图

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