Datasheet Summary
LED Boost Driver, Dual Channel, PWM, 1-Wire Dimming
Overview The LV52207NXB is a high voltage boost driver for LED drive with
2 channels adjustable constant current sources.
Features
- Operating Voltage from 2.7 V to 5.5 V
- Integrated 40 V MOSFET
- 1-wire 255 level digital and PWM dimming
- Supports CABC
- 600 kHz Switching Frequency
- 37.5 V Overvoltage Protection (OVP) Threshold
- These Devices are Pb- Free, Halogen Free/BFR Free and are RoHS pliant
Typical Applications
- LED Display Backlight Control
VIN (2.7 V~5.5 V)
1 mF
1 mF Enable/Disable 1- wire PWM Dimming
330 nF
4.7 mH 10 W
1 mF
LEDO1 LEDO2
FCAP
63.4 kW
Figure 1. 5 x 2 LED...