Datasheet Texas Instruments LM3445 — Ficha de datos
Fabricante | Texas Instruments |
Serie | LM3445 |
Controlador LED fuera de línea regulable Triac
Hojas de datos
LM3445 TRIAC Dimmable Offline LED Driver datasheet
PDF, 1.2 Mb, Revisión: M, Archivo publicado: nov 30, 2015
Extracto del documento
Precios
Estado
LM3445M/NOPB | LM3445MM/NOPB | LM3445MMX/NOPB | LM3445MX/NOPB | |
---|---|---|---|---|
Estado del ciclo de vida | Activo (Recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) |
Disponibilidad de muestra del fabricante | Sí | Sí | No | No |
Embalaje
LM3445M/NOPB | LM3445MM/NOPB | LM3445MMX/NOPB | LM3445MX/NOPB | |
---|---|---|---|---|
N | 1 | 2 | 3 | 4 |
Pin | 14 | 10 | 10 | 14 |
Package Type | D | DGS | DGS | D |
Industry STD Term | SOIC | VSSOP | VSSOP | SOIC |
JEDEC Code | R-PDSO-G | S-PDSO-G | S-PDSO-G | R-PDSO-G |
Package QTY | 55 | 1000 | 3500 | 2500 |
Carrier | TUBE | LARGE T&R | LARGE T&R | LARGE T&R |
Device Marking | LM3445M | SULB | SULB | LM3445M |
Width (mm) | 3.91 | 3 | 3 | 3.91 |
Length (mm) | 8.65 | 3 | 3 | 8.65 |
Thickness (mm) | 1.58 | 1.02 | 1.02 | 1.58 |
Pitch (mm) | 1.27 | .5 | .5 | 1.27 |
Max Height (mm) | 1.75 | 1.07 | 1.07 | 1.75 |
Mechanical Data | Descargar | Descargar | Descargar | Descargar |
Paramétricos
Parameters / Models | LM3445M/NOPB | LM3445MM/NOPB | LM3445MMX/NOPB | LM3445MX/NOPB |
---|---|---|---|---|
Dimming Method | Forward Phase (Triac),PWM,Reverse Phase | Forward Phase (Triac),PWM,Reverse Phase | Forward Phase (Triac),PWM,Reverse Phase | Forward Phase (Triac),PWM,Reverse Phase |
Input Voltage, Type | AC/DC | AC/DC | AC/DC | AC/DC |
Iout(Max), A | 2 | 2 | 2 | 2 |
Iq(Typ), mA | 2 | 2 | 2 | 2 |
Operating Temperature Range, C | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
Package Group | SOIC | VSSOP | VSSOP | SOIC |
Package Size: mm2:W x L, PKG | 14SOIC: 52 mm2: 6 x 8.65(SOIC) | 10VSSOP: 15 mm2: 4.9 x 3(VSSOP) | 10VSSOP: 15 mm2: 4.9 x 3(VSSOP) | 14SOIC: 52 mm2: 6 x 8.65(SOIC) |
Power Factor Correction, Min | Active,Passive | Active,Passive | Active,Passive | Active,Passive |
Rating | Catalog | Catalog | Catalog | Catalog |
Regulated Outputs | 1 | 1 | 1 | 1 |
Special Features | Adjustable Switch Frequency,Enable/Shutdown,Thermal Shutdown | Adjustable Switch Frequency,Enable/Shutdown,Thermal Shutdown | Adjustable Switch Frequency,Enable/Shutdown,Thermal Shutdown | Adjustable Switch Frequency,Enable/Shutdown,Thermal Shutdown |
Switching Frequency(Max), kHz | 1000 | 1000 | 1000 | 1000 |
Switching Frequency(Min), kHz | 30 | 30 | 30 | 30 |
Topology | Buck,Flyback | Buck,Flyback | Buck,Flyback | Buck,Flyback |
Type | Inductive | Inductive | Inductive | Inductive |
Vin(Max), V | 12 | 12 | 12 | 12 |
Vin(Min), V | 8 | 8 | 8 | 8 |
Vout(Max), V | 60 | 60 | 60 | 60 |
Vout(Min), V | 9 | 9 | 9 | 9 |
Vref, V | 0.75 | 0.75 | 0.75 | 0.75 |
Plan ecológico
LM3445M/NOPB | LM3445MM/NOPB | LM3445MMX/NOPB | LM3445MX/NOPB | |
---|---|---|---|---|
RoHS | Obediente | Obediente | Obediente | Obediente |
Notas de aplicación
- An Improved Line Regulation Solution Used in LM3444/5 Non-Isolated LED LightingPDF, 1.0 Mb, Archivo publicado: oct 25, 2012
- AN-2034 LM3445 -120VAC, 8W Isolated Flyback LED Driver (Rev. C)PDF, 24.5 Mb, Revisión: C, Archivo publicado: mayo 1, 2013
This demonstration board highlights the performance of a LM3445 based Flyback LED driver solution that can be used to power a single LED string consisting of 4 to 8 series connected LEDs from an 90 VRMS to 135 VRMS, 60 Hz input power supply. The key performance characteristics under typical operating conditions are summarized in this application report. - AN-1656 Design Challenges of Switching LED Drivers (Rev. A)PDF, 171 Kb, Revisión: A, Archivo publicado: mayo 3, 2013
Using a switching regulator as an LED driver requires the designer to convert a voltage regulator into acurrent regulator. Beyond the challenge of changing the feedback system to control current, the LEDsthemselves present a load characteristic that is much different than the digital devices and other loads thatrequire constant voltage. The LED WEBENCHВ® online design environment predicts and - AN-2069 LM3445 - 230VAC, 6W- 15W Isolated Flyback LED Driver (Rev. B)PDF, 2.8 Mb, Revisión: B, Archivo publicado: nov 23, 2010
Application Note 2069 LM3445 - 230VAC, 6W- 15W Isolated Flyback LED Driver
Linea modelo
Serie: LM3445 (4)
Clasificación del fabricante
- Semiconductors> Power Management> LED Driver> LED Lighting - Illumination