TPS61150ADRCR ,Dual Output Boost WLED Driver Using Single Inductor 10-VSON -40 to 85.DEVICE INFORMATIONQFN PACKAGE(TOP VIEW)IFB1 1 IFB210ISET 2 9 ISET2ExposedThermal3 8SEL1 GNDPad4 7 ..
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TPS61150ADRCT ,Dual Output Boost WLED Driver Using Single Inductor 10-VSON -40 to 85FEATURESbacklight for the sub and main displays in clam shell• 2.5V to 6V Input Voltage Rangephones ..
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TPS61150ADRCR-TPS61150ADRCRG4-TPS61150ADRCT
Dual Output Boost WLED Driver Using Single Inductor 10-VSON -40 to 85
TYPICAL APPLICATION
APPLICATIONS
DESCRIPTION
VIN
GND
SEL2
SEL1
ISET1
56.5kW
2.5V to 6V Input L1Hm
1mF
TPS61150Alarge display.•
1.2MHz Fixed PWM Frequency additionto the small•
Individually Programmable Output Current3mmx 3mm QFN package,•
Input-to-Output Isolation diode eliminate the•
Built-in Soft Start devices. Overall, the
compact solution with•
27V Overvoltage Protectionflexibility.•
3%at 15mA Matching between Two Current
Strings, Improvement from TPS61150/1 Upto 83% Efficiency Upto 30kHz PWM Dimming Frequency Availiableina10 Pin,3×
3 mm QFN Package Upto14 WLED Driver for Media Form Factor
Display Sub and Main Display Backlightin Clam Shell
Phones Display
EquipmentThe TPS61150Aisa high frequency boost converter
with two regulated current outputs for driving
WLEDs. Each current output can be individually
programmed through external resistors. Thereis
dedicated selection pin for each output, so the two
outputs can be turned on separately or
simultaneously. The output current can be reduceda pulse width modulation (PWM) signal on the
select pinsor an analog voltageon the ISET pin. The
boost regulator runs at 1.2MHz fixed switching
frequencyto reduce output ripple and avoid audible
noises associated with PFM control.