Datenblatt-Suchmaschine für elektronische Bauteile |
|
LM3633YFQR Datenblatt(PDF) 1 Page - Texas Instruments |
|
|
LM3633YFQR Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 59 page IN SW HVLED1 LVLED1 PGND HWEN SDA SCL LM3633 COUT CIN L D1 PWM CPOUT CPOUT C- C+ LVLED2 LVLED3 LVLED4 LVLED5 OVP CP VIN VOUT up to 40V HVLED3 HVLED2 LVLED6 2.7V to 5.5V PWM HWEN SCL SDA 70% 72% 74% 76% 78% 80% 82% 84% 86% 88% 90% 92% 2.5 3 3.5 4 4.5 5 5.5 VIN (V) L=22µH, f SW=1MHz 3s3p 4s3p 5s3p 6s3p C002 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM3633 SNVS867 – JUNE 2014 LM3633 Complete Lighting Power Solution for Smartphone Handsets Check for Samples: LM3633 1 Features 3 Description The LM3633 11-bit LED driver provides high- 1 • Drives Three Parallel High-Voltage LED Strings performance backlight dimming for 1, 2, or 3 parallel for Display and Keypad Lighting high-voltage LED strings while delivering up to 90% • High-Voltage Strings Capable of up to 40-V efficiency. The boost converter with integrated 1-A, Output Voltage and up to 90% Efficiency 40-V MOSFET automatically adjusts to LED forward voltage to minimize headroom voltage and effectively • Up to 30-mA per Current Sink (Both Backlight and improve LED efficiency. Indicator) • 11-Bit High-Voltage LED Dimming The LM3633 is a complete power source for backlight, keypad, and indicator LEDs in smartphone • PWM Input for Content Adjustable Brightness handsets. The high-voltage inductive boost converter Control (CABC) provides the power for three parallel LED strings • Integrated 1-A/40-V MOSFET (HVLED1, HVLED2 and HVLED3). The integrated • Adaptive Boost Output to LED Voltages charge pump provides the bias for the six low-voltage indicator LEDs (LVLED1-LVLED6). All low-voltage • Six Low-Voltage Current Sinks for Indicator LEDs current sinks can have a programmable pattern • Integrated Charge Pump for Improved Efficiency modulated onto their output current for a wide variety and VIN Operating Range of blinking patterns. • Internal Pattern Generation Engine for Each An additional feature is a Pulse Width Modulation Indicator LED (PWM) control input for content adjustable backlight • Fully Configurable LED Grouping and Control control, which can be used to control any high- • Four Programmable Overvoltage Protection voltage current sink. Thresholds (16 V, 24 V, 32 V, and 40 V) The LM3633 is fully programmable via an I2C- • Programmable 500-kHz and 1-MHz Switching compatible interface. The device operates over a 2.7- Frequency V to 5.5-V input voltage range and a −40°C to 85°C temperature range. • Overcurrent Protection • Thermal Shutdown Protection Device Information(1) • 27 mm2 Total Solution Size PART NUMBER PACKAGE BODY SIZE (MAX) LM3633 DSBGA (20) 2.04 mm x 1.78 mm 2 Applications (1) For all available packages, see the orderable addendum at • Power Source for Smart Phone Illumination the end of the datasheet. • Display, Keypad and Indicator Illumination • RGB Indicator Driver space Simplified Schematic Dual String Efficiency vs VIN 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
Ähnliche Teilenummer - LM3633YFQR |
|
Ähnliche Beschreibung - LM3633YFQR |
|
|
Link URL |
Privatsphäre und Datenschutz |
ALLDATASHEETDE.COM |
War ALLDATASHEET hilfreich? [ DONATE ] |
Über Alldatasheet | Werbung | Kontakt | Privatsphäre und Datenschutz | Linktausch | Hersteller All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |