KA7812

Output Type : Fixed
Polarity : Positive
Output Current : 1 A
Maximum Operating Temperature : + 125 C
Input Voltage MAX : 40 V
Mounting Style : Through Hole
Package / Case : TO-220
Output Voltage : 12 V
Load Regulation : 240 mV
Line Regulation : 240 mV


Description

The KA7812 is designed as one kind of 3-terminal 1A negative voltage regulator that is available in TO-220 package and with several fixed output voltages, making them useful in a wide range of applications. Features of the KA7812 are:(1)output current in excess of 1A; (2)output voltages of 5, 6, 8, 9, 10, 12, 15, 18, 24V; (3)internal thermal overload protection; (4)short circuit protection; (5)output transistor safe operating area protection.

The absolute maximum ratings of the KA7812 can be summarized as:(1)Input Voltage: 35 V;(2)Thermal Resistance Junction-Case: 5 °C/W;(3)Thermal Resistance Junction-Air: 65 °C/W;(4)Operating Temperature Range: 0 to +125 °C;(5)Storage Temperature Range: -65 to +150 °C.

The electrical characteristics of the KA7812 can be summarized as:(1)Output Voltage: 4.8 to 5.2 mV;(2)Output Noise Voltage: 42 V/Vo;(3)Ripple Rejection: 62 to 73 dB;(4)Dropout Voltage: 2 V;(5)Short Circuit Current: 230 mA;(6)Peak Current: 2.2 A.  If you want to know more information such as the electrical characteristics about the KA7812, please download the datasheet in www.seekic.com or www.chinaicmart.com .