Driver sink current

The two V control types are current source (a theatrical dimming standard) and current sink (a dimming ballast standard). There is an IEC standard for current sink controls - Standard Annex E. The standard requires that the ballast (or driver) provides full light output when the control voltage is 10 Volts (or above). V Half-Bridge MOSFET Drivers with 3A/2A Sinking/Sourcing Current General Description The MIC and MIC are highfrequency, V - half-bridge MOSFET drivers with faster turnoff characteristics - than the MIC and MIC drivers. They feature fast 24ns propagation delay times and 6ns driver fall times. The sink or source current capability of a driver gives you an idea of what it can be used for. 60mA will give you plenty of capability to light regular old LEDs, but probably won't work very well to light a bunch of them, or to activate relays or incandescent light bulbs.

The 5-V Zener diode protects that current sink in case of a fault or rapid shutdown. The OVP Zener diode protects the output capacitor, C OUT, and the ADP in case of an open-circuit fault in one of the backlight LEDs. When current sink D2 is off, the voltage on FB is pulled to V IN, shutting down the ADP When D2 turns on, the voltage on FB is pulled low, and the boost starts switching. The specs of TI TLC LED driver says "constant current sinking" capability is mA.(LED Power supply voltage up to 15 Volts, and Vcc=V to V) My understanding is if Sink current is low. sink driver, (current-) A unipolar output whose primary connection within the integrated circuit is through an active device to the least positive (most negative) supply voltage (typically the circuit common).

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