HIGH VOLTAGE BOOST DRIVER WITH 8 CHANNELS CONSTANT CURRENT REGULATORS

The A723 is a high voltage Boost driver with 8 channels adjustable constant current Regulators for LED backlight applications. Eight regulated current ports are designed to provide uniform and pure DC constant current sinks for driving LEDs within a large range VF variations. It CAN drive a number of LEDs in series/parallel configuration. Users may adjust the output current from 5mA to 30mA through an external resistor, RSET, which gives users flexibility in controlling the light intensity of LEDs It also could adjust LED brightness via PWM pin with Pulse Width Modulation signal. A feedback circuit is built in the between of Boost Driver and the Current Regulators It could output the lowest dropout voltage among used channels to Boost Driver in order to maintain the output voltage in optimal level. An OVP circuit is built for open-loop protection when any string becomes open. The thermal protection function protects IC from over temperature damage. Also, the exposed thermal pad enhances the package power dissipation. By ADDtek Corp
Part Manufacturer Description Datasheet Samples
UA723CNSE4 Texas Instruments 2 V-37V ADJUSTABLE POSITIVE REGULATOR, PDSO14, SO-14
UA723CDG4 Texas Instruments 14 Pin 150mA Adjustable Positive Voltage Regulator 14-SOIC 0 to 70
UA723MFK Texas Instruments 2 V-37V ADJUSTABLE POSITIVE REGULATOR, CQCC20, CERAMIC, LCC-20
UA723CNS Texas Instruments 2 V-37V ADJUSTABLE POSITIVE REGULATOR, PDSO14, SO-14
UA723CDRE4 Texas Instruments 14 Pin 150mA Adjustable Positive Voltage Regulator 14-SOIC 0 to 70
UA723CDE4 Texas Instruments 14 Pin 150mA Adjustable Positive Voltage Regulator 14-SOIC 0 to 70
UA723CNSRG4 Texas Instruments 2 V-37V ADJUSTABLE POSITIVE REGULATOR, PDSO14, GREEN, SOP-14
UA723CDR Texas Instruments 14 Pin 150mA Adjustable Positive Voltage Regulator 14-SOIC 0 to 70
UA723CDRG4 Texas Instruments 14 Pin 150mA Adjustable Positive Voltage Regulator 14-SOIC 0 to 70
UA723MJ/883B Texas Instruments 2 V-37V ADJUSTABLE POSITIVE REGULATOR, CDIP14, 0.300 INCH, HERMETIC SEALED, CERAMIC, MO-001AA, DIP-14
A723 's PackagesA723 's pdf datasheet
A723KGT QFN




A723 Pinout, Pinouts
A723 pinout,Pin out
This is one package pinout of A723,If you need more pinouts please download A723's pdf datasheet.

A723 Application circuits
A723 circuits
This is one application circuit of A723,If you need more circuits,please download A723's pdf datasheet.


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