5秒后页面跳转
捷配首页

Datasheet > 电源电路 > 开关式稳压器或控制器> LTC3853
LTC3853 PDF预览

LTC3853

更新时间： 2024-09-25 05:43:55
品牌 Logo 应用领域
凌特 - Linear 控制器
页数 文件大小 规格书
36页 415K
描述
Triple Output, Multiphase Synchronous Step-Down Controller

阅读下载

中文翻译

获取价格

LTC3853 数据手册

 浏览型号LTC3853的Datasheet PDF文件第2页浏览型号LTC3853的Datasheet PDF文件第3页浏览型号LTC3853的Datasheet PDF文件第4页浏览型号LTC3853的Datasheet PDF文件第5页浏览型号LTC3853的Datasheet PDF文件第6页浏览型号LTC3853的Datasheet PDF文件第7页 
LTC3853  
Triple Output,  
Multiphase Synchronous  
Step-Down Controller  
FEATURES  
DESCRIPTION  
The LTC®3853 is a high performance triple output step-  
downswitchingregulatorcontrollerthatdrivesallN-chan-  
nel synchronous power MOSFET stages. Power loss and  
supplynoiseareminimizedbyoperatingtheoutputstages  
out of phase. The part can be configured as a dual phase  
controller plus a single phase controller if needed. The  
part can also be configured to provide a single 3-phase  
output for even higher output currents.  
n
Triple, 120° Phased Controllers Reduce Required  
Input Capacitance and Power Supply Induced Noise  
n
Configurable as a 180° Dual Phase Controller Plus a  
Single Phase Controller  
n
The Third Phase Can Regulate Up to a 13.5V Output  
n
High Efficiency: Up to 92%  
n
R
or DCR Current Sensing  
SENSE  
n
n
n
n
n
n
n
n
n
n
0.ꢀ5% 0.8V Output Voltage Accuracy  
Phase-Lockable Fixed Frequency 250kHz to ꢀ50kHz  
Supports Pre-Biased Outputs  
A wide 4.5V to 24V (28V maximum) input voltage sup-  
ply range encompasses most battery chemistries and  
intermediate bus voltages. Phase 3 can regulate output  
voltages up to 13.5V. A constant frequency current mode  
architecture allows for a phase-lockable frequency up to  
750kHz.  
Dual N-Channel MOSFET Synchronous Drive  
Wide V Range: 4.5V to 24V Operation (28V Abs Max)  
IN  
Adjustable Soft-Start Current Ramping or Tracking  
Foldback Output Current Limiting  
Output Overvoltage Protection  
Independent TK/SS pins for each output ramps the output  
voltagesandcanbeconfiguredforcoincidentorratiometric  
tracking. Current foldback limits MOSFET heat dissipation  
during short-circuit conditions. The MODE/PLLIN pin  
selects among Burst Mode® operation, pulse-skipping or  
continuous inductor current modes.  
Dual Power Good Output Voltage Monitors  
40-Lead 6mm × 6mm QFN Package  
L, LT, LTC, LTM and Burst Mode are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners. Protected by U.S. Patents,  
including 5481178, 5705919, 5929620, 6100678, 6144194, 6177787, 6304066, 6580258.  
TYPICAL APPLICATION  
High Efficiency Triple 5V/3.3V/1.2V Step-Down Converter  
V
IN  
7V TO 24V  
22μF  
50V  
4.7μF  
V
IN  
INTV  
CC  
TG1  
PGOOD12  
PGOOD3  
TG2  
0.1μF  
2.2μH  
SW1,2,3  
2.2μH  
BOOST1,2,3  
SW2  
1μH  
SW1  
LTC3853  
BG1  
BG2  
2.2k  
1k  
2.2k  
f
IN  
MODE/PLLIN  
PGND  
500kHz  
0.1μF  
I
LIM  
FREQ/PLLFLTR  
0.1μF  
0.1μF  
10k  
+
–
+
–
SENSE1  
SENSE1  
SENSE2  
SENSE2  
V
3.3V  
5A  
OUT2  
V
FB2  
63.4k  
V
1.2V  
5A  
10nF  
10k  
V
OUT3  
OUT1  
5V  
5A  
+
V
FB1  
100μF  
6V  
RUN1,2,3  
20k  
105k  
I
TH1,2,3  
1500pF  
15k  
TG3  
SW3  
BG3  
V
220pF  
20k  
FB3  
+
100μF  
6V  
20k  
+
SGND  
100μF  
10V  
+
–
SENSE3  
SENSE3  
TK/SS1,2,3  
0.1μF  
3853f  
1
1234567...36

中文翻译

下载PDF

与LTC3853相关器件

型号 品牌 获取价格 描述 数据表
LTC3853EUJ Linear

获取价格

 		Triple Output, Multiphase Synchronous Step-Down Controller
LTC3853EUJ#TRPBF Linear

获取价格

 		LTC3853 - Triple Output, Multiphase Synchronous Step-Down Controller; Package: QFN; Pins:
LTC3853EUJ-PBF Linear

获取价格

 		Triple Output, Multiphase Synchronous Step-Down Controller
LTC3853EUJ-TR Linear

获取价格

 		Triple Output, Multiphase Synchronous Step-Down Controller
LTC3853EUJ-TRPBF Linear

获取价格

 		Triple Output, Multiphase Synchronous Step-Down Controller
LTC3853IUJ Linear

获取价格

 		Triple Output, Multiphase Synchronous Step-Down Controller
LTC3853IUJ#PBF Linear

获取价格

 		LTC3853 - Triple Output, Multiphase Synchronous Step-Down Controller; Package: QFN; Pins:
LTC3853IUJ#TR Linear

获取价格

 		IC 0.15 A DUAL SWITCHING CONTROLLER, 830 kHz SWITCHING FREQ-MAX, PQCC40, 6 X 6 MM, PLASTIC
LTC3853IUJ-PBF Linear

获取价格

 		Triple Output, Multiphase Synchronous Step-Down Controller
LTC3853IUJ-TR Linear

获取价格

 		Triple Output, Multiphase Synchronous Step-Down Controller

与LTC3853相关文章

您还可以找


热门产品
PCB打样/小批量
铝基板
BOM智能配单
PCBA制造
钣金
精密CNC
模具注塑
薄膜开关
精选活动
PCBA打样特惠
四六层板品质升级
铝基板品质升级
一体化电子制造
DFM下载
服务支持
企业认证
产品展示
工厂展示
工艺能力
积分商城
关于捷配
捷配简介
企业文化
公司动态
人才招聘
联系我们
帮助中心
下单流程
付款流程
开票流程
常见问题
全球PCB制造服务专线 400-613-0088

工作时间：9:00-21:00

CEO邮箱：ceo@jiepei.com

投诉邮箱：tousu@jiepei.com

捷配网-微信公众号 微信公众号
捷配网-微信公众号 抖音公众号
资质认证：
合作快递：
支付方式：
Copyright © 2024 Jiepei.com Inc. All Rights Reserved. 版权所有:杭州捷配信息科技有限公司 浙公网安备 33010502006866号 浙ICP备10014259号-119 营业执照ICP证