文档介绍：TVS/Zener Theory and Design Considerations
Handbook
HBD854/D
Rev. 0, Jun−2005
© SCILLC, 2005
Previous Edition © 2001 as Excerpted from DL150/D
“All Rights Reserved’’
1
Technical Information, Application Notes and Articles
Zener Diode Theory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Zener Diode Fabrication Techniques. . . . . . . . . . . . . . . 8
Reliability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Zener Diode Characteristics. . . . . . . . . . . . . . . . . . . . . 18
pensated Zeners. . . . . . . . . . . . . . . 30
Basic Voltage Regulation Using Zener Diodes. . . . . 34
Zener Protective Circuits and Techniques:
Basic Design Considerations. . . . . . . . . . . . . . . . . 44
Zener Voltage Sensing Circuits and Applications. . . 54
Miscellaneous Applications of
Zener Type Devices. . . . . . . . . . . . . . . . . . . . . . . . . 61
Transient Voltage Suppression. . . . . . . . . . . . . . . . . . 63
AN784. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
AN843. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Design Considerations and Performance of
pensated Zener Diodes. . . . . . 97
MOSORBs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
AR450. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Measurement of Zener Voltage to Thermal
Equilibrium with Pulsed Test Current. . . . . . . . . . 119
2
ZENER DIODE THEORY
INTRODUCTION now see. Silicon is a tetravalent element, one with four
The zener diode is a semiconductor device unique in its valence electrons in the outer shell; all are virtually locked
mode of operation pletely unreplaceable by any into place by the covalent bonds of the crystal lattice
other electronic device. Because of its unusual properties it structure, as shown schematically in Figure 1a. When
fills a long-standing need