LC5720S |Sanken Electric

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LC5720S

Data Sheet
Application Notedownload (PDF:1514.37KB)

Description

The LC5720S product is the power IC for LED driver which incorporates a power MOSFET and a controller IC in a package. This product is a DC/DC converter which features are; wide input voltage range, 500kHz operating frequency, and Buck/ Boost/ Buck-Boost converter can be selected with external circuit configuration. LED string current can be set with the external resistor, and LED dimming can be controlled by the digital input signal. The rich set of protection features helps to realize low component counts, and high performance-to-cost power supply.

Application

・DC input LED Lighting
・Indoor/Outdoor LED Lighting
・LED Spotlight
・RGB LED Lighting

Features

 Operation Types: The following converter types are applicable by the external circuit configuration
  Buck Converter
  Boost Converter
  Buck-Boost Converter
 ILED=2.0A
 Fosc=500kHz
 VCS : 100mV±5%
 High Efficiency: η > Typ.90%
 PWM Dimming Frequency: 20kHz(Max)
 Protection Functions
  OCP: Pulse-by -pulse
  OVP
  TSD: Auto Restart

Remarks

Package

Package Name:HSOP8

Package Diagram

Specifications

Circuit TypeBuck-Boost
Isolated / Non-IsolatedNon-Isolated
MOSFET Breakdown Voltage50.0V
on-Resistance0.215Ω
Output Power2.0A

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Representative Circuit

Internal Block Diagram

Pin-Out Diagrams

Data Sheet
Application Notedownload (PDF:1514.37KB)
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