NCL30080ASNT1G Просмотр технического описания (PDF) - ON Semiconductor

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производитель

NCL30080ASNT1G

Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting

ON Semiconductor 

NCL30080

GND

ZCD

CS

Qdrv

Zero Crossing Detection

Aux. Winding

Short Circuit Protection

VVIN

Line

Feedforward

Aux_SCP

CS_shorted

Fault

Management

STOP

OFF

UVLO

Latch

VDD

VREF

VCC Management

Internal

Thermal

Shutdown

Ipkmax

VVIN

VCC_max

WOD_SCP

BO_NOK

VCC Over Voltage

Protection

VCC

Aux_SCP

Valley Selection

VVLY

S Qdrv

Q

Clamp

Circuit

R

STOP VREF

Leading

Edge

Blanking

VVIN

Constant−Current

Control

CS_reset

Max. Peak

Current

Limit

Ipkmax STOP

Ipkmax

CS Short

Protection

CS_shorted

Winding and

Output diode

Short Circuit

Protection

WOD_SCP

VVIN

BO_NOK

Brown−Out

Figure 2. Internal Circuit Architecture

VCC

DRV

VIN

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