Datasheet > LC5910S

LC5910S

更新时间： 2024-11-18 17:15:39

品牌	Logo	应用领域
三垦 - SANKEN		驱动
页数	文件大小	规格书
22页	682K
描述
LED照明驱动IC产品已被广泛应用于电球型，直管型，环型照明产品，根据不同的用途，可选择相对应的电路控制方式（如降压、升压、升降压等）。

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LC5910S 数据手册

Critical Current Mode Buck LED Driver IC

LC5910S

Data Sheet

Description

Package

LC5910S is the buck single-output LED driver IC that

achieves the LED drive with few components, high

efficiency, and high accuracy. The IC has various

protections and configures various LED circuits. The

PWM dimming and the three-level dimming (the

reference voltage selection function for LED current

limiting) are available.

SOP8

Features

Not to scale

Converter Parts

● Critical Current Mode (CRM) Control

(Low switching loss, low noise, reduction in the

number of components)

● Enable Function

● Bottom Detection Voltage 100 mV (typ.)

Specification

● Recommended Supply Voltage: 12 V (min.) to 17 V

(max.)

● Circuit Current at Standby: 100 μA (typ.)

LED Control Parts

Application

● PWM Dimming Function

● LED Back Light

● LED Lighting Equipment

● LED Bulbs

● Reference Voltage Selection Function for LED

Current Limiting (three levels, 75% to 100%)

● Current Reference Accuracy: ±1%

Protections

● LED Output Short Circuit Protection: Pulse-by-pulse

● Current Detection Short Circuit Protection: Auto-

restart

● Input Voltage Drop Protection: Auto-restart

● Overvoltage Protection (OVP): Auto-restart, fault

output

● Thermal Shutdown (TSD) with Hysteresis: Auto-

restart

Typical Application

LED

V_IN

C_IN

D_S

C_OUT

Fault Signal

PWM Signal

LED Current

Switch Signal

R_BD1C_BD

R_BD2

V_CC

C_VCC

R_CS

LC5910S -DSE Rev.2.2

Mar.01, 2017

SANKEN ELECTRIC CO., LTD

http://www.sanken-ele.co.jp

12 3 4 5 6 7...22

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