Part Number
|
STLD40D |
Manufacturer
|
ST Microelectronics |
Description
|
White led power supply |
Published
|
Jan 5, 2007 |
Detailed Description
|
STLD40D
White LED power supply for large display backlight
Features
■ Inductor switches boost controller ■ PFM mode con...
|
Datasheet
|
STLD40D
|
Overview
STLD40D
White LED power supply for large display backlight
Features
■ Inductor switches boost controller ■ PFM mode control ■ High efficiency over wide range of input voltage
from 3.
0 V to 5.
5 V ■ Over voltage protection with automatic restart ■ Adjustable peak current limit ■ Enable pin with possibility of PWM dimming
control ■ Low shutdown current 1 µA ■ Small external component ■ Good load and line regulation ■ QFN8 3 x 3 mm
Applications
■ White LED supply for LCD backlight ■ Mobile phone ■ PDA and organizers ■ Any handsets powered form 3.
0 V to 5.
5 V
QFN8 (3 x 3 mm)
resistor RLED.
The device can be turned ON/OFF through the logic enable signal pin EN.
By applying a low frequency PWM ...
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