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PDF EUP2561 Data sheet ( Hoja de datos )
| Número de pieza | EUP2561 | |
| Descripción | 26V Step-Up Converters | |
| Fabricantes | Eutech Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de EUP2561 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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EUP2561
26V Step-Up Converters
for Two to Six White LEDs
DESCRIPTION
The EUP2561 is a constant current step-up converter
specially designed for driving white LEDs. The step-up
converter topology allows series connection of the
white LEDs so the LED currents are identical for
uniform brightness. The EUP2561 can drive 6 LEDs in
series. The brightness of the LEDs can be adjusted
through a voltage level on the CTRL pin or by
applying a PWM signal to CRTL pin.
1MHz current-mode, pulse-width modulated (PWM)
operation allows for small input and output capacitors
www.DaantdaSahesemt4aUll.coinmductor while minimizing ripple on the
input supply/battery. Programmable soft-start
eliminates inrush current during startup.
The EUP2561 is available in a space-saving, 8-pin
3mm x 3mm DFN package.
FEATURES
z 2.6V to 5.5V Input Range
z 26V (max) Output with Overvoltage Protection
z Up to 87% Efficiency
z Flexible Analog or PWM Dimming Control
z Internal High Power 30V MOSFET Switch
z < 1µA shutdown Current
z Fast 1MHz PWM Operation
z Small, Low-Profile Inductors and Capacitors
z 3mm × 3mm DFN-8 Package
z RoHS Compliant and 100% Lead (Pb)-Free
APPLICATIONS
z Cell Phones and Smart Phones
z PDAs, Palmtops, and Wireless Handhelds
z e-Books and Subnotebooks
z White LED Display Backlighting
Typical Application Circuit
DS2561 Ver1.0 Dec. 2006
Figure 1. White LED Application
1
1 page  
Typical Operating Characteristics
www.DataSheet4U.com
EUP2561
DS2561 Ver1.0 Dec. 2006
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet EUP2561.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| EUP2561 | 26V Step-Up Converters | Eutech Microelectronics |
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