SP7619A -Programmable Low-Side Flash Driver

The SP7619A is a linear low-side, constant-current driver designed to drive high power LEDs from an input voltage rail. The driver acts as a current source, ensuring constant LED cur- rent across a range of input voltages. The SP7619A allows implementing the lowest cost LED driver for a variety of applications. Internal circuitry maintains the preset constant current output for a wide voltage range at the LED input. The LED current CAN be set at 200mA at torch mode or 500mA (700mA SP7619A at lash mode by selecting CTRL pin low/high respectively. Dimming or shutdown CAN be done by feeding a PWM signal to the EN pin. Fast EN turn-on/off time allows for very fast dimming frequencies, completely eliminating licker. The built-in thermal protection automatically stops LED current to prevent overheat- ing. A timeout function serves as a fail safe, shutting down the output at 500mA (700mA) current after 4 seconds of continuous operation if the enable input is not cycled. The Enable pin should be cycled HIGH/LOW/HIGH to restart the driver. By Exar Corporation
SP7619A 's PackagesSP7619A 's pdf datasheet



SP7619A Pinout, Pinouts
SP7619A pinout,Pin out
This is one package pinout of SP7619A,If you need more pinouts please download SP7619A's pdf datasheet.

SP7619A Application circuits
SP7619A circuits
This is one application circuit of SP7619A,If you need more circuits,please download SP7619A's pdf datasheet.


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