Electrical Characteristics 电气特性 (MC7906)
(VI = -11V, IO = 500mA, 0°C ≤TJ ≤ +125°C, 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℃

- 5.75

- 6

- 6.25

V

IO = 5mA to 1A, PO ≤ 15W VI = - 9V to - 21V

- 5.7

- 6

- 6.3

Line Regulation 线性调整率(Note1)

ΔVO

TJ=+25℃

VI = - 8V to - 25V

-

10

120

mV

VI = - 9V to -12V

-

5

60

Load Regulation 负载调整率(Note1) (Note1)

ΔVO

TJ=+25℃ IO = 5mA to 1.5A

-

10

120

mV

TJ =+25℃ IO = 250mA to 750mA

-

3

60

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

-

-

0.5

mA

VI = -9V to -25V

-

-

1.3

Temperature Coefficient of VD 温度系数

ΔVo/ΔT

IO = 5mA

-

-0.5

-

mV/℃

Output Noise Voltage 输出噪声电压

VN

f = 10Hz to 100KHz TA =+25℃

-

130

-

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 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 79XX内部电路图

图2  外形引脚排列图管脚图                      图3 79XX参照测试电路及典型电路

                          图4 输出电压                                    图5 负载调节率曲线图

                图6 电压差曲线图                                        图7 静态电流曲线图

                  图8 短路电流曲线图

              图9 与78XX系列三端稳压构成的正负对称输出电压应用电路图

                        图10 TO-220封装图片