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RT5760D PDF预览

RT5760D

更新时间： 2024-11-26 17:00:35
品牌 Logo 应用领域
立锜 - RICHTEK /
页数 文件大小 规格书
25页 1633K
描述
6V 1A, ACOT? Buck Converter in Thin SOT-563 Package

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RT5760D 技术参数

Status：ActiveVin (min) (V)：2.5
Vin (max) (V)：6Number of Outputs：1
Vout (min) (V)：0.6Vout (max) (V)：3.8
Preset Vout (V)：Output Adj. Method：Resistor
Iout (max) (A)：1Current Limit (typ) (A)：1.55
Freq (typ) (kHz)：2200Freq (min) (kHz)：
Freq (max) (kHz)：Ext Sync：No
Ron_HS (typ) (mOhm)：120Ron_LS (typ) (mOhm)：80
Iq (typ) (mA)：0.3Features：100% Duty Cycle;ACOT Control;Cycle-by-Cycle Current Limit;Enable Input;Fast Transient Response;Force PWM;Internal Compensation;OCP;OTP;Stable with Ceramic Capacitor;UVP
Package Type：SOT-563(FC)Datasheet：#N/A

RT5760D 数据手册

 浏览型号RT5760D的Datasheet PDF文件第2页浏览型号RT5760D的Datasheet PDF文件第3页浏览型号RT5760D的Datasheet PDF文件第4页浏览型号RT5760D的Datasheet PDF文件第5页浏览型号RT5760D的Datasheet PDF文件第6页浏览型号RT5760D的Datasheet PDF文件第7页 
RT5760A/B/C/D  
6V 1A, ACOT® Buck Converter in Thin SOT-563 Package  
General Description  
Features  
Input Voltage Range from 2.5V to 6V  
Integrated 120mand 80mFETs  
1A Output Current, up to 95% Efficiency  
100% Duty Cycle for Lowest Dropout  
1% Internal Reference Voltage  
The RT5760A/B/C/D is a simple, easy-to-use, 1A  
synchronous step-down DC-DC converter with an input  
supply voltage range from 2.5V to 6V. The device  
build-in an accurate 0.6V reference voltage and  
integrates low RDS(ON) power MOSFETs to achieve  
high efficiency in a SOT-563 (FC) package.  
2.2MHz Typical Switching Frequency  
Power Saving Mode for Light Loads (RT5760A/C)  
Low Quiescent Current: 25A (Typ.)  
Fast Advanced Constant On-Time (ACOT® )  
Control  
The RT5760A/B/C/D adopts Advanced Constant  
On-Time (ACOT® ) control architecture to provide an  
ultrafast transient response with few external  
components and to operate in nearly constant  
switching frequency over the line, load, and output  
voltage range. The RT5760A/C operate in automatic  
PSM that maintain high efficiency during light load  
operation. The RT5760B/D operate in Forced PWM  
that help to meet tight voltage regulation accuracy  
requirements.  
Internal Soft Startup (0.6ms)  
Enable Control Input  
Power Good Indicator (RT5760A/B)  
Both FETs Over-Current Protection  
Negative Over-Current Protection (RT5760B/D)  
Input Under-Voltage Lockout Protection  
Hiccup-Mode Output Under-Voltage Protection  
Over-Temperature Protection  
The RT5760A/B/C/D senses both FETs current for a  
robust over-current protection. The device features  
cycle-by-cycle current limit protection and prevent the  
device from the catastrophic damage in output short  
circuit, over current or inductor saturation. A built-in  
soft-start function prevents inrush current during  
start-up. The device also includes input under-voltage  
lockout, output under-voltage protection, and  
over-temperature protection to provide safe and  
smooth operation in all operating conditions.  
RoHS Compliant and Halogen Free  
Applications  
Mobile Phones and Handheld Devices  
STB, Cable Modem, and xDSL Platforms  
WLAN ASIC Power / Storage (SSD and HDD)  
General Purpose for POL LV Buck Converter  
Simplified Application Circuit  
RT5760A/B/C/D  
*PG  
V
V
PG  
VIN  
EN  
V
R
IN  
PG  
C
IN  
L
SW  
FB  
OUT  
C
OUT  
Enable  
C
R
R
FF  
FB1  
GND  
FB2  
*PG : RT5760A/B only.  
Copyright © 2020 Richtek Technology Corporation. All rights reserved.  
is a registered trademark of Richtek Technology Corporation.  
DS5760A/B/C/D-04 November 2020  
www.richtek.com  
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