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PDF BW7381 Data sheet ( Hoja de datos )
| Número de pieza | BW7381 | |
| Descripción | Universal High Brightness LED Driver | |
| Fabricantes | Bruckewell Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de BW7381 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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BW7381
Universal High Brightness LED Driver
FEATURES
DESCRIPTION
Universal Rectified 90VAC to 264VAC Input
Voltage Range
Built-in Active Power Factor Correction
Technique
Low THD, meet with IEC-61000-3-2 Class-C
High Efficiency Application
B uilt-in Output Short Circuit Protection with
Auto-Recovery
B uilt-in Output Over Voltage Protection with
Auto-Recovery
Built-in Gate Clamp
C ycle-by-cycle Current Limit
F ail-Safe, Output is not subjected to line
voltage if the MOSFET fails.
E xcellently Accurate Constant Current
V ery Tight Line and Load Regulation
C onstant Off-Time
B uck or Buck-Boost Configuration
APPLICATIONS
The BW7381 is a controller for off-line LED converter.
The BW7381 operate with constant off-time, peak
current mode control with active power factor
correction function. The controller senses real-time
switch current to cycle-by-cycle current limit.
Cycle-by-cycle current limit a t t he C S p in e nsure a
safe operation during short-circuit at the output. It
can be configured in either buck-boost (Figure1)
or buck (Figure2) application circuit. T he d river
output voltage is limited to 19V to protect external
power MOSFET. The controller also monitors
integrated actual LED current to perform the
excellent line and load regulation. The controller
makes the inductor current to follow the shape of
input voltage to perform high power factor and low
THD solution.
The BW7381 provides complete protection
features such as short-circuit and open-circuit
protection.
A C/DC LED Driver Application
D C/DC LED Driver Application
S ignage and Decorative LED Lighting
R esidential Lighting
ORDER INFORMATION
PIN CONFIGURATIONS (TOP VIEW)
BW 7381- S8 R
Bruckewell
Circuit Type
Shipping:
R: Tape & Reel
S8: SOP-8
Rev.1.4 Jan. 2013
http://www.Datasheet4U.com
1 page  
BW7381
Universal High Brightness LED Driver
BLOCK DIAGRAM
Figure 3
Rev.1.4 Jan. 2013
5 Page 
BW7381
Universal High Brightness LED Driver
PACKAGE OUTLINE DIMENSIONS
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet BW7381.PDF ] | |
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