5秒后页面跳转
捷配首页

Datasheet > LT1612
LT1612 PDF预览

LT1612

更新时间： 2024-09-14 22:51:47
品牌 Logo 应用领域
凌特 - Linear 转换器
页数 文件大小 规格书
8页 180K
描述
Synchronous, Step-Down 800kHz PWM DC/DC Converter

阅读下载

中文翻译

获取价格

LT1612 数据手册

 浏览型号LT1612的Datasheet PDF文件第2页浏览型号LT1612的Datasheet PDF文件第3页浏览型号LT1612的Datasheet PDF文件第4页浏览型号LT1612的Datasheet PDF文件第5页浏览型号LT1612的Datasheet PDF文件第6页浏览型号LT1612的Datasheet PDF文件第7页 
Final Electrical Specifications  
LT1612  
Synchronous, Step-Down  
800kHz PWM  
DC/DC Converter  
April 2000  
U
FEATURES  
DESCRIPTION  
■
The LT®1612 is an 800kHz, synchronous step-down DC/  
DC converter that operates from an input voltage as low  
as 2V. Internal 0.45Ω switches deliver output currents up  
to 500mA, and the 800kHz switching frequency allows the  
use of small, low value ceramic input and output capaci-  
tors. Input voltage ranges from 5.5V down to 2V and  
output voltage can be set as low as the 620mV reference.  
The device features Burst ModeTM operation, keeping  
efficiency high at light loads. Burst Mode operation can be  
defeated by pulling the MODE pin high, enabling constant  
switching throughout the load range for low noise.  
Operates from Input Voltage As Low As 2V  
■
■
■
■
■
Internal 0.7A Synchronous Switches  
Uses Ceramic Input and Output Capacitors  
620mV Reference Voltage  
800kHz Fixed Frequency Switching  
Programmable Burst Mode Operation  
U
APPLICATIONS  
■
Portable Devices  
■
Lithium-Ion Step-Down Converters  
■
5V to 3.3V Conversion  
2-Cell Alkaline Step-Down Converters  
No-loadquiescentcurrentis160µAandshutdowncurrent  
is less than 1µA. The device is available in 8-lead SO and  
MSOP packages.  
■
, LTC and LT are registered trademarks of Linear Technology Corporation.  
Burst Mode is a trademark of Linear Technology Corporation.  
U
TYPICAL APPLICATION  
Efficiency for LT1612 vs Linear Regulator  
VOUT = 1.2V  
0.1µF  
90  
V
IN  
L1  
BOOST  
SW  
V
IN  
2V  
10µH  
V
OUT  
SHDN  
1.2V  
80  
70  
60  
50  
40  
30  
V
V
= 2V  
= 3V  
IN  
IN  
500mA  
LT1612  
100pF  
MODE  
FB  
C1  
10µF  
V
C
GND  
V
V
= 2V (LINEAR)  
IN  
R1  
215k  
1%  
C2  
R2  
232k  
1%  
33k  
330pF  
68µF  
3.15V  
= 3V (LINEAR)  
100  
IN  
C1: TAIYO-YUDEN JMK325BJ106MN  
C2: PANASONIC EEFCDOF680R  
L1: SUMIDA CD43-100  
1612 F01a  
10  
500  
LOAD CURRENT (mA)  
1612 • F01b  
Figure 1. 2V to 1.2V Converter  
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.  
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-  
tationthattheinterconnectionofitscircuitsasdescribedhereinwillnotinfringeonexistingpatentrights.  
1
12345678

中文翻译

下载PDF

与LT1612相关器件

型号 品牌 获取价格 描述 数据表
LT1612_1 Linear

获取价格

 		Synchronous, Step-Down 800kHz PWM DC/DC Converter
LT1612EMS8 Linear

获取价格

 		Synchronous, Step-Down 800kHz PWM DC/DC Converter
LT1612EMS8#PBF Linear

获取价格

 		LT1612 - Synchronous, Step-Down 800kHz PWM DC/DC Converter; Package: MSOP; Pins: 8; Temper
LT1612EMS8#TR Linear

获取价格

 		LT1612 - Synchronous, Step-Down 800kHz PWM DC/DC Converter; Package: MSOP; Pins: 8; Temper
LT1612EMS8#TRPBF Linear

获取价格

 		LT1612 - Synchronous, Step-Down 800kHz PWM DC/DC Converter; Package: MSOP; Pins: 8; Temper
LT1612ES8 Linear

获取价格

 		Synchronous, Step-Down 800kHz PWM DC/DC Converter
LT1612ES8#PBF Linear

获取价格

 		LT1612 - Synchronous, Step-Down 800kHz PWM DC/DC Converter; Package: SO; Pins: 8; Temperat
LT1612ES8#TR Linear

获取价格

 		LT1612 - Synchronous, Step-Down 800kHz PWM DC/DC Converter; Package: SO; Pins: 8; Temperat
LT1612ES8#TRPBF Linear

获取价格

 		LT1612 - Synchronous, Step-Down 800kHz PWM DC/DC Converter; Package: SO; Pins: 8; Temperat
LT1613 Linear

获取价格

 		1.4MHz, Single Cell DC/DC Converter in 5-Lead SOT-23

与LT1612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