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AAT3123 Scheda tecnica (PDF) - Advanced Analogic Technologies

AAT3123 Datasheet PDF - Advanced Analogic Technologies
Il numero della parte AAT3123
Scarica  AAT3123 Scarica

Grandezza file   321.35 Kbytes
Page   18 Pages
Produttore elettronici  ANALOGICTECH [Advanced Analogic Technologies]
Homepage  http://www.analogictech.com
Logo ANALOGICTECH - Advanced Analogic Technologies
Spiegazioni elettronici High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications

AAT3123 Datasheet (PDF)

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AAT3123 Datasheet PDF - Advanced Analogic Technologies

Il numero della parte AAT3123
Scarica  AAT3123 Click to download

Grandezza file   321.35 Kbytes
Page   18 Pages
Produttore elettronici  ANALOGICTECH [Advanced Analogic Technologies]
Homepage  http://www.analogictech.com
Logo ANALOGICTECH - Advanced Analogic Technologies
Spiegazioni elettronici High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications

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AAT3123 Dettagli del prodotto

General Description
The AAT3123/23A/24 is a low noise, constant frequency charge pump DC/DC converter that uses a dual mode load switch (1X) and fractional (1.5X) conversion to maximize efficiency for white LED applications. The device can be used to produce current levels up to 20mA to drive up to six LEDs from a 2.7V to 5.5V input. Outputs may be operated individually or paralleled for driving higher-current LEDs. A low external parts count (two 1μF flying capacitors and two small 1μF capacitors at VIN and OUT) make the AAT3123/23A/24 ideally suited for small battery-powered applications.

Features
• VIN Range: 2.7V to 5.5V
• Dual Mode 1X and 1.5X Charge Pump for Maximum Efficiency
• Drives Low-VF and High-VF Type LEDs
• Up to Six 20mA Outputs (AAT3124)
• Up to Four 20mA Outputs (AAT3123/23A)
• 32-Position Logarithmic Scale with Digital Control
• Simple Serial Control (S2Cwire) Interface
• Low Noise Constant Frequency Operation
• 1MHz Switching Frequency
• Small Application Circuit
• Regulated Output Current
• Automatic Soft Start
• No Inductors
• IQ <1μA in Shutdown
• Temperature Range: -40°C to +85°C
• 12-Pin TSOPJW Package (AAT3123/23A)
• 16-Pin 4x4mm QFN and 14-Pin TSOPJW Packages (AAT3124)

Applications
• Color (RGB) Lighting
• Programmable Current Source
• White LED Backlighting
• White Photo Flash for DSCs




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A proposito di Advanced Analogic Technologies


Advanced Analogic Technologies (AnalogicTech) è una società di semiconduttori specializzata nella progettazione, sviluppo e produzione di tecnologie analogiche gestite da energia (Analogictech) è una società a semiconduttore specializzata nella progettazione, sviluppo e produzione di potenza e gestione ad alta prestazione integrate circuiti integrati analogici (ICS).
I prodotti dell'azienda vengono utilizzati in una vasta gamma di applicazioni tra cui dispositivi mobili, laptop, fotocamere digitali e altri dispositivi elettronici portatili.
Il portafoglio di AnalogicTech include convertitori DC-DC, driver a LED, ICS per la gestione delle batterie e altre soluzioni di gestione dell'alimentazione. La Società è stata acquisita da Texas Instruments nel 2013. Icruiti integrati analogici (ICS) ad alte prestazioni. I prodotti dell'azienda vengono utilizzati in una vasta gamma di applicazioni tra cui dispositivi mobili, laptop, fotocamere digitali e altri dispositivi elettronici portatili. Il portafoglio di AnalogicTech include convertitori DC-DC, driver a LED, ICS per la gestione delle batterie e altre soluzioni di gestione dell'alimentazione. La società è stata acquisita da Texas Instruments nel 2013.

*Queste informazioni sono solo a scopo informativo generale, non saremo responsabili per eventuali perdite o danni causati dalle informazioni di cui sopra.




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