PMP7770, 120V AC input and 24.5 V LED Driver Reference Design
Diseño de referencia usando la pieza LM3445MM de Texas Instruments
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- LED Lighting
Descripción
- 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
Características clave
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Conversion TypeAC to DC
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Input Voltage120 (AC) V
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Output Voltage24.5 V
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Output Current1 A
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Output Power24.5 W
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TopologyBuck- PFC
Piezas destacadas (5)
| Número de pieza | Fabricante | Tipo | Descripción | |||
|---|---|---|---|---|---|---|
|
NUD4700SNT1G | onsemi | LED Protection Devices | LED Shunt Protection Device | AÑADIR AL CARRITO | |
|
LM3445MMX/NOPB | Texas Instruments | LED Drivers | LED Driver 2850uA Supply Current 10-Pin VSSOP T/R | AÑADIR AL CARRITO | |
|
|
LM3445MM/NOPB | Texas Instruments | LED Drivers | LED Driver 2850uA Supply Current 10-Pin VSSOP T/R | AÑADIR AL CARRITO | |
|
|
LM3445MMX/NOPB | Texas Instruments | LED Drivers | LED Driver 2850uA Supply Current 10-Pin VSSOP T/R | AÑADIR AL CARRITO | |
|
|
LM3445MM/NOPB | Texas Instruments | LED Drivers | LED Driver 2850uA Supply Current 10-Pin VSSOP T/R | AÑADIR AL CARRITO | |