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LM2793-LM2793LD-LM2793LDX Fast Delivery,Good Price
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LM2793NSCN/a5000avaiLow Noise White LED Constant Current Supply with Dual Function Brightness Control
LM2793LDNSN/a78208avaiLow Noise White LED Constant Current Supply with Dual Function Brightness Control
LM2793LDXNSN/a16056avaiLow Noise White LED Constant Current Supply with Dual Function Brightness Control


LM2793LD ,Low Noise White LED Constant Current Supply with Dual Function Brightness ControlFeaturesn Two Regulated Current Outputs, up to 16mA Each,TheLM2793isahighlyefficient,semi-regulated ..
LM2793LDX ,Low Noise White LED Constant Current Supply with Dual Function Brightness ControlPin DescriptionPin Name Description1V Power supply voltage connectionIN2 C1- Flying capacitor C1 co ..
LM2794BL ,Current Regulated Switched Capacitor LED Supply with Analog and PWM Brightness ControlFeaturesn Regulated current sources with ±0.5% matchingThe LM2794/95 is a fractional CMOS charge-pu ..
LM2794BL ,Current Regulated Switched Capacitor LED Supply with Analog and PWM Brightness ControlFeaturesn Regulated current sources with ±0.5% matchingThe LM2794/95 is a fractional CMOS charge-pu ..
LM2794BLX ,Current Regulated Switched Capacitor LED Supply with Analog and PWM Brightness ControlApplicationsn White LED Display Backlightsn White LED Keypad Backlightsn 1-Cell Li-Ion battery-oper ..
LM2794BLX ,Current Regulated Switched Capacitor LED Supply with Analog and PWM Brightness ControlPin DescriptionPin(*) Name FunctionA1 C1+ Positive terminal of C1B2 C1− Negative terminal of C1C1 V ..
LM6261M ,High Speed Operational AmplifierElectrical Characteristics (Continued)= = =The following specifications apply for Supply Voltage ±1 ..
LM6261N ,High Speed Operational AmplifierLM6161/LM6261/LM6361 High Speed Operational AmplifierMay 1999LM6161/LM6261/LM6361High Speed Operati ..
LM6261N ,High Speed Operational AmplifierElectrical Characteristics= = =The following specifications apply for Supply Voltage ±15V, V 0, R ≥ ..
LM6261N ,High Speed Operational AmplifierFeaturesn Sonarn High slew rate 300 V/μsConnection Diagrams10–Lead FlatpakDS009057-13See NS Package ..
LM6261N ,High Speed Operational AmplifierGeneral Descriptionn Low supply current 5 mAThe LM6161 family of high-speed amplifiers exhibits an ..
LM6264 ,High Speed Operational AmplifierApplicationsvices.Thisadvancedjunction-isolatedprocessdelivershighYVideo amplifierspeed performance ..


LM2793-LM2793LD-LM2793LDX
Low Noise White LED Constant Current Supply with Dual Function Brightness Control
LM2793
Low Noise White LED Constant Current Supply with
Dual Function Brightness Control
General Description

The LM2793isa highly efficient, semi-regulated 1.5x CMOS
charge pump that provides dual constant current outputs.
The LM2793 hasan input voltage rangeof 2.7Vto 5.5V. control LED brightness, the amountof current drivento
the current-mode outputs canbe adjusted withan analog
voltage and/ora pulse-width-modulated (PWM) square
wave.
Pre-regulationof the charge pump minimizes conducted
noiseon the input. Combined witha fixed switching fre-
quencyof 500kHz, the LM2793isa low-noise solution.
The LM2793is availableina 10-pin Leadless Lead-frame
package: LLP-10.
Features
Two Regulated Current Outputs,upto 16mA Each,
Matchedto Within ±0.3% (typ.) High Efficiency, 1.5x Regulated Charge Pump Input Voltage Range: 2.7Vto 5.5V Soft Start Limits Inrush Current Analog Voltage Brightness Control PWM Brightness Control Very Small Solution Size- NO INDUCTOR 500kHz Switching Frequency 3µA (typ.) Shutdown Current LLP-10 Package: 3.0mmX 3.0mmX 0.8mm
Applications
White LED Display Backlights White LED Keypad Backlights 1-Cell LiIon Battery-Operated Equipment Including
PDAs, Hand-held PCs, Cellular Phones Flat Panel Displays
Typical Application Circuit

February 2003
LM2793
Low
Noise
White
LED
Constant
Current
Supply
with
Dual
Function
Brightness
ic,good price


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