The test data in this report is by White LED array

Description: The performance of LED backlight power supply for LCD backlight application is presented. It is designed with OB3375 which integrates a buck converter. The detailed, schematic, BOM, PCB layout and test data are also described.

文件：140.27 Kbytes 页数：4 Pages

ONBRIGHT

昂宝电子

DC/DC PWM调光方案

The OB3375 is a high efficiency LED driver designed for white LEDS and for large LCDS backlight. OB3375 is built-in a quasi-resonant control method buck DC/DC converter. The controller implements a peak current mode control scheme and an internal transconductance amplifier to accurately control the • Low system cost and high efficiency\r\n\r\n• Quasi-Resonant buck topology operation\r\n\r\n• Programmable CC regulation\r\n\r\n• PWM and PWM to analog combination dimming\r\n\r\n• Zero voltage signal detected to improve efficiency and EMI performance\r\n\r\n• LED+/LED- short circuit protection\r\n;

OB

昂宝电子

DC/DC PWM调光方案

The OB3375X is a high efficiency LED power switch designed for white LEDS and for large LCDS backlight. OB3375X is built-in a quasi-resonant control method buck DC/DC converter. The controller implements a peak current mode control scheme and an internal transconductance amplifier to accurately cont • Low system cost and high efficiency\r\n\r\n• Quasi-Resonant buck topology operation\r\n\r\n• Programmable CC regulation\r\n\r\n• PWM and PWM to analog combination dimming\r\n\r\n• Zero voltage signal detected to improve efficiency and EMI performance\r\n\r\n• LED+/LED- short circuit protection\r\n;

OB

昂宝电子

GENERAL PURPOSE AMPLIFIER

文件：139.45 Kbytes 页数：8 Pages

RFMD

威讯联合

GENERAL PURPOSE AMPLIFIER

文件：113.7 Kbytes 页数：8 Pages

RFMD

威讯联合

GENERAL PURPOSE AMPLIFIER

文件：254.07 Kbytes 页数：10 Pages

RFMD

威讯联合