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RT4532WSC

Richtek
® RT4532 High Efficiency Backlight LED Driver General Description Features The RT4532 is a high-efficiency LED driver for backlight applications. An asynchronous boost converter with an internal Schottky diode and a current source driver are designed to support 6LED/channel with wide input voltage range from 2.5V to 5.5V.  Input Voltage Range : 2.5V to 5.5V  An I2C interface can provid...
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Технические характеристики

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Корпус WLCSP10
Рабочая частота
Максимальное выходное напряжение
Диапазон входных напряжений
Рабочая температура
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® RT4532 High Efficiency Backlight LED Driver General Description Features The RT4532 is a high-efficiency LED driver for backlight applications. An asynchronous boost converter with an internal Schottky diode and a current source driver are designed to support 6LED/channel with wide input voltage range from 2.5V to 5.5V.  Input Voltage Range : 2.5V to 5.5V  An I2C interface can provide easy backlight control in fast  Internal Schottky Diode Fast-speed mode I2C Compatible Interface Drive Up to 6 WLEDs in 4 String External PWM Brightness Control 550k/1.1MHz Switching Frequency Built-in Internal Soft-Start I 2 C Programmable 256 Steps Linear Current Regulation Up to 85% Efficiency with Small Magnetics Programmable 16V/24V OVP Current Accuracy ±5% and Current Balance ±3% UVLO, OVP, OCP, OTP Protection Shutdown Current : < 1μ μA Temperature Range : −40°°C to 85°°C     and high speed mode. The RT4532 supports linear mappings with 256 steps to setup the brightness of backlight LEDs. It also supports PWM dimming to adjust the brightness.    The RT4532 provides complete protection functions such as input under-voltage lockout, over-current, output overvoltage and over-temperature protection. The OVP threshold voltage can be set at 16V and 24V for different applications. The RT4532 is available in the WL-CSP-10B 0.87x2.07 package.     Applications  Ordering Information  RT4532  Package Type WSC : WL-CSP-10B 0.87x2.07 (BSC)  Cellular Phones Digital Cameras PDAs and Smart Phones Portable Instruments Note : Richtek products are :  RoHS compliant and compatible with the current requirements of IPC/JEDEC J-STD-020.  Suitable for use in SnPb or Pb-free soldering processes. Simplified Application Circuit RT4532 L LX VOUT COUT VIN VOUT VIN …… …… EN …… Enable …… CIN x6 PWM SCL SDA GND Copyright © 2015 Richtek Technology Corporation. All rights reserved. DS4532-01 August 2015 FB1 FB2 is a registered trademark of Richtek Technology Corporation. www.richtek.com 1 PDF
Документация на RT4532WSC 

High Efficiency Backlight LED Driver The RT4532 is a high-efficiency LED driver for backlight applications. An ,asynchronous boost converter with an internal Schottky diode and a current ,source driver are designed to support 6LED/channe...

Дата модификации: 07.08.2020

Размер: 208.7 Кб

12 стр.

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