Datasheet Texas Instruments LM3633YFQT — Datenblatt
| Hersteller | Texas Instruments |
| Serie | LM3633 |
| Artikelnummer | LM3633YFQT |
Komplette Lichtstromlösung für Smartphone-Handys 20-DSBGA -40 bis 85
Datenblätter
LM3633 Complete Lighting Power Solution for Smartphone Handsets datasheet
PDF, 1.5 Mb, Datei veröffentlicht: Jun 4, 2014
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Preise
Status
| Lifecycle Status | Preview (Device has been announced but is not in production. Samples may or may not be available) |
| Manufacture's Sample Availability | No |
Verpackung
| Pin | 20 |
| Package Type | YFQ |
| Industry STD Term | DSBGA |
| JEDEC Code | R-XBGA-N |
| Thickness (mm) | .42 |
| Pitch (mm) | .4 |
| Max Height (mm) | .675 |
| Mechanical Data | Herunterladen |
Parameter
| Approx. Price (US$) | 0.70 | 1ku |
| Channels(#) | 3 |
| Duty Cycle(Max)(%) | 94 |
| LED Current Per Channel(mA) | 30 |
| LED(#) | 21 |
| Operating Temperature Range(C) | -40 to 85 |
| Package Group | DSBGA |
| Package Size: mm2:W x L (PKG) | See datasheet (DSBGA) |
| Peak Efficiency(%) | 90 |
| Rating | Catalog |
| Shutdown Current(Typ)(uA) | 1 |
| Special Features | Adjustable Switch Frequency Analog Dimming CABC Enable/Shutdown I2C Control Integrated Switch OVP Synchronous Rectification Thermal Shutdown |
| Switching Frequency(Max)(kHz) | 1100 |
| Topology | Boost |
| Type | Inductive |
| Vin(Max)(V) | 5.5 |
| Vin(Min)(V) | 2.7 |
| Vout(Max)(V) | 41 |
Öko-Plan
| RoHS | Not Compliant |
| Pb Free | No |
Design Kits und Evaluierungsmodule
- Evaluation Modules & Boards: LM3633EVM
LM3633EVM Evaluation Module
Lifecycle Status: Active (Recommended for new designs)
Anwendungshinweise
- Analog PWM Dimming in White-LED DriversPDF, 539 Kb, Datei veröffentlicht: Dec 21, 2016
Pulse-width modulation (PWM) is a common type of dimming used to adjust the current in white-LEDdriver devices. PWM dimming takes a rectangle waveform with variable positive duty cycle (D) and adjuststhe LED current proportionally. For many smaller format white LED drivers (7-inch screen size or smaller),the PWM signal is converted to a DC control voltage and made to drive the LED current in - Schottky Diode Selection in Asynchronous Boost ConvertersPDF, 491 Kb, Datei veröffentlicht: Sep 6, 2016
Asynchronous boost converters require a Schottky diode as the rectifying element due to the diode's lowforward voltage and fast turn-on time. Because of these characteristics asynchronous boost converterscan have as good as, or better efficiency, than synchronous boost converters. This is especially true whenthe boost conversion ratios (VOUT/VIN) are high, and the Schottky diode conduction t - Inductor Selection in Boost Converters for LCD Backlight ApplicationsPDF, 764 Kb, Datei veröffentlicht: Oct 24, 2016
White LED drivers for LCD back-light applications are often designed for battery-powered devices. This makes circuit size and efficiency crucial. Because of this, selecting the optimal inductor is one of the mostimportant aspects of the design. This application note discusses the important parameters of the inductorand how to select the right inductor for the application.
Modellreihe
Serie: LM3633 (2)
- LM3633YFQR LM3633YFQT
Herstellerklassifikation
- Semiconductors > Power Management > LED Driver > Backlight