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LM2796-LM2796TL-LM2796TLX Fast Delivery,Good Price
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LM2796NSN/a200avaiDual-Display White LED Driver with 3/2x Switched Capacitor Boost
LM2796TLNSN/a14500avaiDual-Display White LED Driver with 3/2x Switched Capacitor Boost
LM2796TLNSC ?N/a200avaiDual-Display White LED Driver with 3/2x Switched Capacitor Boost
LM2796TLXNS,NSN/a50avaiDual-Display White LED Driver with 3/2x Switched Capacitor Boost


LM2796TL ,Dual-Display White LED Driver with 3/2x Switched Capacitor Boostfeatures (keypad LEDs, for example). Brightness ofthe two groups can be adjusted independently with ..
LM2796TL ,Dual-Display White LED Driver with 3/2x Switched Capacitor BoostFeaturesn Drives up to 7 LEDs with up to 20mA eachThe LM2796 is a charge-pump based white-LED drive ..
LM2796TLX ,Dual-Display White LED Driver with 3/2x Switched Capacitor BoostPin DescriptionPin #s Pin Names
LM2796TLX/NOPB ,Dual-Display White LED Driver with 3/2x Switched Capacitor Boost 18-DSBGA -30 to 85features• 18-bump Thin DSBGA Package: (2.1mm x(keypad LEDs, for example). Brightness of the two2.4m ..
LM2796TLX/NOPB ,Dual-Display White LED Driver with 3/2x Switched Capacitor Boost 18-DSBGA -30 to 85ELECTRICAL CHARACTERISTICSLimits in standard typeface and typical values apply for T = 25ºC. Limits ..
LM2798MM-1.5 ,120mA High Efficiency Step-Down Switched Capacitor Voltage Converter with Voltage MonitoringFeatures of the LM2797/98 include input voltage and outputn Thermal and short circuit protectionvol ..
LM6321N ,High Speed Bufferfeatures of current limit and ther-n LH0002H pin compatiblemal shutdown.n No oscillations with capa ..
LM6325N ,High Speed BufferGeneral Descriptionn Stable with large capacitive loadsThe LM6125 family of high speed unity gain b ..
LM6361 ,High Speed Operational AmplifierApplicationsspeed performance without the need for complex and ex-YVideo amplifierpensive dielectri ..
LM6361M ,High Speed Operational AmplifierGeneral Descriptionn Low supply current 5 mAThe LM6161 family of high-speed amplifiers exhibits an ..
LM6361M. ,High Speed Operational AmplifierElectrical Characteristics= = =The following specifications apply for Supply Voltage ±15V, V 0, R ≥ ..
LM6361MX ,High Speed Operational AmplifierGeneral Descriptionn Low supply current 5 mAThe LM6161 family of high-speed amplifiers exhibits an ..


LM2796-LM2796TL-LM2796TLX
Dual-Display White LED Driver with 3/2x Switched Capacitor Boost
LM2796
Dual-Display White LED Driver with 3/2x Switched
Capacitor Boost
General Description

The LM2796isa charge-pump based white-LED driver that idealfor mobile phone display backlighting.It can driveup7 LEDsin parallel withupto 20mA through each LED.
Regulated internal current sources deliver excellent current
and brightness matchinginall LEDs. The LED-driver current
sources are split into two independently controlled groups.
The primary group(4 LEDs) canbe usedto backlight the
main phone display. The second group(3 LEDs) canbe
usedto backlighta secondary displayorto provide other
lighting features (keypad LEDs,for example). Brightnessof
the two groups canbe adjusted independently with pulse-
width modulated (PWM) digital signals.
The LM2796 worksoffan extended Li-Ion input voltage
range (2.7Vto 5.5V). Voltage boostis achieved witha high-
efficiency 3/2x-gain charge pump.
The LM2796is availablein National’s chip-scale 18-bump
micro SMD package.
Features
Drivesupto7 LEDs withupto 20mA each LEDs controlledin2 Distinct Groups,for Backlighting2
Displays (main LCD and sub-LCD) Excellent Current and Brightness Matching High-Efficiency 3/2x Charge Pump Extended Li-Ion Input: 2.7Vto 5.5V PWM Brightness Control: 100Hz- 1kHz 18-bump Thin Micro SMD Package:
(2.1mmx 2.4mmx 0.6mm)
Applications
Mobile Phone Display Lighting Mobile Phone Keypad Lighting PDAs General LED Lighting
Typical Application Circuit

February 2004
LM2796
Dual-Display
White
LED
Driver
with
3/2x
Switched
Capacitor
Boost
ic,good price


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