LC5710S |Sanken Electric

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LC5710S

Data sheetdownload (PDF:2052.44KB)
Application Note

Description

LC5710S is a power IC for LED drivers, which incorporates a power MOSFET and a controller IC in a SOP8 package. This product features a wide input voltage range of 5V to 58V, 100kHz to 500kHz operation frequency, and Buck / Boost / Buck-Boost converters can be applied 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 or DC-bias. 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

・Supports Buck / Boost / Buck-Boost converters
・ILED=1.0A
・Fosc=100kHz~500kHz (variable)
・VCS : 100mV±3%
・High efficiency: η > Typ.90%
・PWM dimming frequency: 20kHz(Max)
・Protection functions
  OCP: Pulse-by-pulse basis
  OVP/TSD: Auto restart

Remarks

Package

Package Name:SOP8

Package Diagram

Specifications

Circuit TypeBuck-Boost
Isolated / Non-IsolatedNon-Isolated
MOSFET Breakdown Voltage60.0V
On-Resistance0.550Ω
Output Power1.0A

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Representative Circuit

Internal Block Diagram

Pin-out Diagrams

Data sheetdownload (PDF:2052.44KB)
Application Note
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