STLD40D
STLD40D is White led power supply manufactured by STMicroelectronics.
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 ponent
- 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 signal the LEDs can be dimmed. The maximum peak inductor current can be programmed by connected a resistor RSET to the pin RSET.
Description
STLD40D is a boost converter that operates from 3.0 V to 5.5 V. It can provide an output voltage as high as 37 V and can drive...