3-Channel, Current-regulated 75-mA Charge Pump For White LED Backlight In 3x3 QFN

The TPS60231 Charge Pump is optimized for white LED supplies in color Display backlight applications. The device provides a constant current for each LED which the initial value CAN be set by an external resistor. The supply voltage ranges from 2.7 V to 6.5 V and is ideally suited for all applications powered by a single LI-Ion battery cell or three to four NiCd, NiMH, or alkaline battery cells. Over an input voltage range from 3.1 V to 6.5 V, the device provides a high output current of up to 25 mA per LED with a total of 75 mA. High efficiency is achieved by utilizing a 1x/1.5x fractional conversion technique in combination with very low dropout current sources. In addition, the current controlled Charge Pump ensures low input current ripple and EMI Only two external 1 F and two 0.47 F capacitors are required to build a complete small and low cost power supply solution. To reduce board space to a minimum, the device switches at 1 MHz operating frequency and is available in a small 16-pin QFN (RGT) package.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
TPS60231RGTR Texas Instruments 3-Channel, Current-regulated 75-mA Charge Pump for White LED Backlight in 3x3 QFN 16-QFN -40 to 85
TPS60231RGTRG4 Texas Instruments 3-Channel, Current-regulated 75-mA Charge Pump for White LED Backlight in 3x3 QFN 16-QFN -40 to 85
TPS60231RGTTG4 Texas Instruments 3-Channel, Current-regulated 75-mA Charge Pump for White LED Backlight in 3x3 QFN 16-QFN -40 to 85
TPS60231RGTT Texas Instruments 3-Channel, Current-regulated 75-mA Charge Pump for White LED Backlight in 3x3 QFN 16-QFN -40 to 85
TPS60231 's PackagesTPS60231 's pdf datasheet
TPS60231RGTR QFN
TPS60231RGTRG4 QFN
TPS60231RGTT QFN
TPS60231RGTTG4 QFN




TPS60231 Pinout, Pinouts
TPS60231 pinout,Pin out
This is one package pinout of TPS60231,If you need more pinouts please download TPS60231's pdf datasheet.

TPS60231 Application circuits
TPS60231 circuits
This is one application circuit of TPS60231,If you need more circuits,please download TPS60231's pdf datasheet.


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