Dual, 2x 27V, 700mA Switch, 1.2MHz Boost Converter With Single Inductor White LED And OLED Driver

The TPS61140 1 is a dual output boost converter IC. It is intended to be configured as a highly integrated power solution providing regulated voltage and current output with one boost converter. This device is ideal for driving the OLED sub Display and WLED backlight for the LCD main Display in clam shell phones. The voltage and current CAN be individually programmed through external resistors. There is a dedicated selection pin for each output, so the two outputs CAN be turned on separately or simultaneously. When only the voltage output is enabled, the boost converter is controlled by pulse frequency modulation (PFM) in order to achieve high efficiency over a wide load range. If the current output is selected, the device adopts a 1.2-MHz pulse width modulation control (PWM) method in order to maximize output current. Applying an external PWM signal to the select pin (SELI) reduces the output current thereby allowing WLED dimming.
The TPS61140 1 has a built-in Power MOSFET and power diode; thereby, eliminating the needs for any external active power components. In addition, the high switching frequency reduces the external inductor and capacitor sizes. Overall, the IC provides a highly compact solution with high efficiency and plenty of flexibility.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
TPS61140DRCTG4 Texas Instruments Dual, 2x 27V, 700mA Switch, 1.2MHz Boost Converter with Single Inductor White LED and OLED Driver 10-VSON -40 to 85
TPS61140DRCR Texas Instruments Dual, 2x 27V, 700mA Switch, 1.2MHz Boost Converter with Single Inductor White LED and OLED Driver 10-VSON -40 to 85
TPS61140DRCRG4 Texas Instruments Dual, 2x 27V, 700mA Switch, 1.2MHz Boost Converter with Single Inductor White LED and OLED Driver 10-VSON -40 to 85
TPS61140DRCT Texas Instruments Dual, 2x 27V, 700mA Switch, 1.2MHz Boost Converter with Single Inductor White LED and OLED Driver 10-VSON -40 to 85
TPS61140 's PackagesTPS61140 's pdf datasheet
TPS61140DRCR SON
TPS61140DRCRG4 SON
TPS61140DRCT SON
TPS61140DRCTG4 SON




TPS61140 Pinout, Pinouts
TPS61140 pinout,Pin out
This is one package pinout of TPS61140,If you need more pinouts please download TPS61140's pdf datasheet.

TPS61140 Application circuits
TPS61140 circuits
This is one application circuit of TPS61140,If you need more circuits,please download TPS61140's pdf datasheet.


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