隔离AC-DC

MT7952是针对小功率照明应用而设计的LED驱动开关，采用原边反馈反激式电路架构，工作在电感电流断续模式，内部集成600V高压开关，可在全输入电压范围内驱动5W以下LED恒流电源。\nMT7952采用原边反馈技术，无需次级反馈电路，也无需补偿电路。内部集成600V高压功率开关，系统方案简洁可靠。\nMT7952采用美芯晟专利的恒流控制与补偿技术，LED输出电流精度达到±3%以内，具有优异的线性调整率和负载调整率，且对变压器绕组电感变化不敏感。\nMT7952同时实现了各种保护功能，包括逐周期过流保护(OCP)、过压保护(OVP)、LED短路保护(SCP)、LED开路保护和过热保护（O • 内部集成600V功率管\n• AC85V到AC265V交流输入电压\n• 原边感应及恒流机制，无需次级反馈电路\n• 高精度LED恒流电流 (±3%) \n• 逐周期峰值电流控制\n• LED开路/短路保护\n• 欠压锁定保护\n• VDD过压保护，输出过压保护\n• 过温保护\n• SOP8封装;

High Accuracy, Primary-side AC-DC LED Driver

文件：182.73 Kbytes Page：1 Pages

2 NEGATIVE VOLTAGE REGULATORS

DESCRIPTION The L7900AC series of three-terminal negative regulators is available in TO-220 and D2PAK packages and several fixed output voltages. These regulators can provide local on-card regulation, eliminating the distribution problems associated with single point regulation; furthermore, havi

2 NEGATIVE VOLTAGE REGULATORS

DESCRIPTION The L7900AC series of three-terminal negative regulators is available in TO-220 and D2PAK packages and several fixed output voltages. These regulators can provide local on-card regulation, eliminating the distribution problems associated with single point regulation; furthermore, havi

Video Switch for TV/VCR Use

Features • On-chip driver with 4 inputs, 1 output, 75Ω termination. • On-chip 6dB amplifier. • Excellent crosstalk characteristic. • Wide band. • Input with DC restoration circuit.

NEGATIVE VOLTAGE REGULATORS

文件：414.94 Kbytes Page：16 Pages

NEGATIVE VOLTAGE REGULATORS

文件：414.94 Kbytes Page：16 Pages