LM5045MH/NOPB - 

制造商：

TEXAS INSTRUMENTS TEXAS INSTRUMENTS

制造商产品编号：

LM5045MH/NOPB

仓库库存编号：

2064692

技术数据表：

(EN)

The LM5045MH/NOPB is a Pulse Width Modulated (PWM) Controller contains all of the features necessary to implement full-bridge topology power converters using either current-mode or voltage mode control. This device is intended to operate on the primary side of an isolated DC-DC converter with input voltage up to 100V. This highly integrated controller-driver provides dual 2A high-side and low-side gate drivers for the four external bridge MOSFETs plus control signals for the secondary-side synchronous rectifier MOSFETs. External resistors program the leading and trailing edge dead-time between the main and synchronous rectifier control signals. Intelligent start-up of the synchronous rectifiers allows monotonic turn-on of the power converter even with pre-bias load conditions. Additional features include cycle-by-cycle current limiting, hiccup mode restart, programmable soft-start, synchronous rectifier soft-start and a 2MHz capable oscillator.

• Highest integration controller for small form
• Factor, high-density power converters
• High-voltage start-up regulator
• Intelligent sync rectifier start-up allows linear
• Turn-on into pre-biased loads
• Synchronous rectifiers disabled in UVLO mode and hiccup mode
• Two independent, programmable synchronous rectifiers
• Dead-time adjustments
• Four high-current 2A Bridge gate drivers
• Wide-bandwidth optocoupler interface

• Dual-mode overcurrent protection
• Programmable line UVLO and OVP
• Green product and no Sb/Br

参考价格及参考库存