ELECTRIC APPARATUS WITH ESD PROTECTION EFFECT

An electric apparatus with ESD protection effect is provided. The electric apparatus comprises a high-side unit, a low-side unit, and a level shifter. The high-side unit comprises a first pad and a second pad. The low-side unit comprises a third pad and a fourth pad. The level shifter is connected b...

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Bibliographic Details
Main Authors WANG CHIEN KUO, WU KUN TAI
Format Patent
LanguageEnglish
Published 31.01.2013
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
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Summary:An electric apparatus with ESD protection effect is provided. The electric apparatus comprises a high-side unit, a low-side unit, and a level shifter. The high-side unit comprises a first pad and a second pad. The low-side unit comprises a third pad and a fourth pad. The level shifter is connected between the first pad and the fourth pad. The level shifter comprises a first resistor, a clamp element, a second resistor, and an N-type transistor. The first resistor is connected between the first pad and a first node. The clamp element is connected between the first pad and a second node. The second resistor is connected between the first node and the second node. The N-type transistor has a source and a body connected to the fourth pad, a drain connected to the first node, and a gate connected to the low-side unit.
Bibliography:Application Number: US201213549727