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reference designBM520Q19F

ROHM BM520Q19F

AC/DC Controller IC for LED Lighting Included 650V MOSFET BM520Q19F

Overview

TopologyOther Topology
Switching frequency200 kHz
IC revision002

Description

The quasi-resonant controller typed LED driver IC BM520Q19F for AC/DC can be applied to a non-isolated application, and make the designs forvarious types of low power convertor easily. Owing to the start-up circuit with 650V withstand voltage, the low power consumption and high-speedstart are achieved. Owing to the quasi-resonant mode, the softswitching is achieved, and by the alterable operating frequency, the EMI is also improved. And owing to the external current setting resistance, a power supply design with a high degree of freedom can be achieved.With the built-in MOSFET with 650V withstand voltage, a low-cost application can be achieved, and it makes the application design easily.

Features

  • Quasi-resonant switching mode
  • Built-in 650V starter circuit
  • Built-in 650V switching MOSFET
  • Maximum frequency 200kHz
  • VCC pin: under voltage protection
  • VCC pin: over voltage protection (latch)
  • SOURCE pin: Leading-Edge-Blanking function
  • ZT pin: trigger mask function
  • ZT pin: over voltage protection (latch)
  • NTC pin: temperature detecting protection (automatic recovery)

Typical applications

  • LED bulb, sealed-type LED lighting
  • Electrical machineries for LED lighting

More information

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7447471682
SPECWE-TIS Radial Leaded Wire Wound Inductor, 6800 µH, 0.18 A
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-TIS Radial Leaded Wire Wound Inductor
Inductance6800 µH
Rated Current0.18 A
Saturation Current0.27 A
DC Resistance14500 mΩ
Self Resonant Frequency0.41 MHz
MountTHT 
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7608000904
SPECPFC Transformer, –, –
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Status Activei| Production is active. Expected lifetime: >10 years.
Product series PFC Transformer
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