NEWS
项目 |
CR5843AS |
CR5843ASB |
CR5842 |
CR6842 |
VDD启动电压 | 17.4V | 17.4V | 14.5V | 16.5V |
VDD关断电压 | 8.1V | 8.1V | 9.0V | 10.5V |
VDD_OVP电压 | 31.5 | 31.5 | 32.0V | 25.0V |
VDD_Hold电压 | 9.2V | 9.2V | No | No |
FB_OLP电压 | 4.0V | 4.0V | 3.7V | 4.4V |
FB_QR/PFM电压 | 2.1V | 2.1V | 1.8V | 2.0V |
FB短路电流 | 200uA | 200uA | 200uA | 1200uA |
VTH_OC@ Dmax | 840mV | 840mV | 1000mV | 900mV |
最大工作频率 | 65/140kHz倍频 | 65/140kHz倍频 | 65kHz | 可编程( PIN4 ) |
高压快速启动 | YES | YES | YES | No |
全电压功率补偿 | 内置 | 内置 | 内置 | 可调 ( PIN3 ) |
VDD_OVP | Latch | Latch | Latch | Auto |
OTP | Latch (可编程) | Auto (可编程) | Latch (可编程) | Auto ( 可编程) |
输出OVP | Latch (可编程) | Auto (可编程) | Latch (可编程) | No |
AC欠压保护 | Auto (可编程) | Auto (可编程) | No | No |
X- CAP放电 | YES | YES | No | No |
DSCP | YES(Latch) | Auto | Auto | Auto |
启动方式 | 桥前启动 | 桥前启动 | 桥前/桥后启动 | 桥前/桥后启动 |
特别功能管脚 | PRT ( PIN1) | PRT (PIN1) | RT ( PIN1 ) | RT ( PINS ) |
待机/效率 | 50mW/六级 | 50mW/六级 | 75mW/六级 | 500mW/五级 |
输出功率 | <80W | <80W | <80W | <120W |