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Mar 22-07 RevD

SP7616: Low Side LED Driver

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2007 Sipex Corporation

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7

becomes to high, making the part dissipates too

much power, the over temperature protection will

shut the part off when the die temperature reaches

150

temperature protection section.

THEORY OF OPERATION

Over-temperature protection

The SP7616 offers Over-temperature protection.

When the die temperature rises above 150

output drivers are shut off. The output current will

self recover when the temperature drops below the

trip point with the preset hysteresis of 15

part that shut off at 150

unless the die temperature is below 135

TYPICAL APPLICATION CIRCUITS

Figure 2

Typical Application: CCFL Replacement powered from 3 Li-ion batteries.

Figure 3

Using the SP7616 from a fixed source.