PMP7770, 120V AC input and 24.5 V LED Driver Reference Design
使用 Texas Instruments 的 LM3445MM 的参考设计
Image
1 / 1
依据最终产品
- LED Lighting
说明
- It is an offline AC-DC LED driver. It has TRIAC dimming capability. It is basically a low side buck which has valley filled PFC. It takes an input voltage of 120V AC. This circuit uses LM3445 which is an adaptive constant off-time AC/DC buck (step-down) constant current controller designed to be compatible with Traic dimmers
主要特色
-
Conversion TypeAC to DC
-
Input Voltage120 (AC) V
-
Output Voltage24.5 V
-
Output Current1 A
-
Output Power24.5 W
-
TopologyBuck- PFC
Featured Parts (5)
| 零件编号 | 供应商 | 类别 | 说明 | |||
|---|---|---|---|---|---|---|
|
NUD4700SNT1G | onsemi | LED Protection Devices | LED Shunt Protection Device | 买入 | |
|
LM3445MMX/NOPB | Texas Instruments | LED Drivers | LED Driver 2850uA Supply Current 10-Pin VSSOP T/R | 买入 | |
|
|
LM3445MM/NOPB | Texas Instruments | LED Drivers | LED Driver 2850uA Supply Current 10-Pin VSSOP T/R | 买入 | |
|
|
LM3445MMX/NOPB | Texas Instruments | LED Drivers | LED Driver 2850uA Supply Current 10-Pin VSSOP T/R | 买入 | |
|
|
LM3445MM/NOPB | Texas Instruments | LED Drivers | LED Driver 2850uA Supply Current 10-Pin VSSOP T/R | 买入 | |