RT4533 datasheet(1/11 Pages) RICHTEK

tên linh kiện	RT4533

Giải thích chi tiết về linh kiện	Asynchronous Boost Converter

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nhà sản xuất	RICHTEK [Richtek Technology Corporation]

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RT4533/A

®

DS4533/A-02

September 2015

www.richtek.com

1

©

Copyright

is a registered trademark of Richtek Technology Corporation.

Marking Information

Ordering Information

Note :

Richtek products are :

 RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

 Suitable for use in SnPb or Pb-free soldering processes.

Simplified Application Circuit

Applications



Cellular Phones



Digital Cameras



Probable Instruments

Asynchronous Boost Converter for 10 WLEDs

General Description

The RT4533/A is a highly integrated LED driver IC capable

of driving 10 WLEDs in series. It is composed of a current

mode Boost converter integrated with a 36.5V/1.2A power

switch.

The RT4533/A supports a wide input voltage range from

2.5V to 5.5V and runs at a fixed frequency of 1.1MHz.

The LED current is set via an external resistor and the

feedback voltage is regulated to 200mV / 300mV.

For brightness dimming, the RT4533/A supports PWM

dimming which determines the feedback reference voltage.

Features



2.5V to 5.5V Input Voltage Range



36.5V Open LED Protection for 10 WLEDs



PWM Dimming Brightness Control



200mV / 300mV Reference Voltage with

±±±±±2%

Accuracy



1.1MHz Switching Frequency



Built-In Soft-Start



Over-Temperature Protection



Internal Compensation



Current Limit



RoHS Compliant and Halogen Free

0R=DNN

0R= : Product Code

DNN : Date Code

LX

FB

GND

RT4533/A

VIN

EN

L

VIN

VOUT

Enable

D

RT4533GJ6

RT4533AGJ6

1L=DNN

1L= : Product Code

DNN : Date Code

RT4533/A

Package Type

J6 : TSOT-23-6

Lead Plating System

G : Green (Halogen Free and Pb Free)

Feedback Voltage

RT4533 : 200mV

RT4533A : 300mV

Số phần tương tự - RT4533

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Richtek Technology Corp...	RT4531	195Kb / 14P	Dual Channel 10s2p WLED Drivers
	RT4531WSC	195Kb / 14P	Dual Channel 10s2p WLED Drivers
	RT4532	204Kb / 12P	High Efficiency Backlight LED Driver
	RT4532	204Kb / 12P	High Efficiency Backlight LED Driver
	RT4532WSC	204Kb / 12P	High Efficiency Backlight LED Driver

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Số phần tương tự - RT4533

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