打印本文 打印本文  关闭窗口 关闭窗口  
LM7810A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 电气特性 (MC7810A/LM7810A)

(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 VOTJ =+25 ℃ 9.8 10 10.2 VIO =5mA to 1A, PO ≤ 15W VI =12.8V to 25V 9.6 10 10.4 Line Regulation 线性调整率 (Note1) ReglineVI=12.8V to 26V IO =500mA -8100mVVI=13V to 20V -4 50TJ =+25 ℃VI=12.5V to 25V -8 100 VI=13V to 20V -3 50 Load Regulation 负载调整率 (Note1) RegloadTJ =+25 ℃ IO =5mA to 1.5A -12 100 mVIO =5mA to 1.0A -12 100IO =250mA to 750mA -5 50 Quiescent Current 静态电流 IQTJ =+25℃ -5.0 6.0 mA Quiescent Current Change 静态电流变化 ΔIQVI =13V to 26V, TJ=+25℃ --0.5 mAVI =12.8V to 25V, IO =500mA --0.8IO =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 VNf =10Hz to 100KHz TA =+25℃ -10 -μV/Vo Ripple Rejection 纹波抑制 RRf =120Hz, IO =500mA VI =14V to 24V -62 -dB Dropout Voltage 电压差 VDropIO =1A, TJ =+25℃ -2.0 -V Output Resistance 输出电阻 rOf =1KHz -17 -mΩ Short Circuit Current 短路电流 ISCVI=35V, TA =+25℃ -250 -mA Peak Current 峰值电流 IPKTJ=+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
打印本文 打印本文  关闭窗口 关闭窗口