ESDA25LY(2010) Просмотр технического описания (PDF) - STMicroelectronics
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ESDA25LY Datasheet PDF : 10 Pages
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ESDA25LY
4
ESD Protection by ESDA25LY
ESD Protection by ESDA25LY
Electrostatic discharge (ESD) is a major cause of failure in electronic systems.
Transient Voltage Suppressors (TVS) are an ideal choice for ESD protection. They are
capable of clamping the incoming transient to a low enough level such that damage to the
protected semiconductor is prevented.
Surface mount TVS arrays offer the best choice for minimal lead inductance.
They serve as parallel protection elements, connected between the signal line to ground. As
the transient rises above the operating voltage of the device, the TVS array becomes a low
impedance path diverting the transient current to ground.
The ESDA25LY array is the ideal board level protection of ESD sensitive semiconductor
components.
The tiny SOT23 package allows design flexibility in the design of high density boards where
the space saving is at a premium. This enables to shorten the routing and contributes to
hardening againt ESD.
Figure 10. ESD protection diagram
I/O
I/O
I/O
I/O
ESD
sensitive
device
2 * ESDA25LY
GND
Doc ID 16914 Rev 1
5/10
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