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LT1618EMS PDF预览

LT1618EMS

更新时间: 2024-02-06 05:19:12
品牌 Logo 应用领域
凌特 - Linear 转换器稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
12页 204K
描述
Constant-Current/ Constant-Voltage 1.4MHz Step-Up DC/DC Converter

LT1618EMS 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:MSOP包装说明:TSSOP, TSSOP10,.19,20
针数:10Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:2.9模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:18 V最小输入电压:1.6 V
标称输入电压:1.6 VJESD-30 代码:S-PDSO-G10
JESD-609代码:e3长度:3 mm
湿度敏感等级:1功能数量:1
端子数量:10最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:2.8 A
最大输出电压:35 V最小输出电压:1.263 V
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSSOP10,.19,20封装形状:SQUARE
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):250
认证状态:Not Qualified座面最大高度:1.1 mm
表面贴装:YES切换器配置:BOOST
最大切换频率:1600 kHz技术:BIPOLAR
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.5 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3 mmBase Number Matches:1

LT1618EMS 数据手册

 浏览型号LT1618EMS的Datasheet PDF文件第2页浏览型号LT1618EMS的Datasheet PDF文件第3页浏览型号LT1618EMS的Datasheet PDF文件第4页浏览型号LT1618EMS的Datasheet PDF文件第5页浏览型号LT1618EMS的Datasheet PDF文件第6页浏览型号LT1618EMS的Datasheet PDF文件第7页 
LT1618  
Constant-Current/  
Constant-Voltage 1.4MHz  
Step-Up DC/DC Converter  
U
FEATURES  
DESCRIPTIO  
Accurate Input/Output Current Control: ±5% Over  
The LT®1618 step-up DC/DC converter combines a tradi-  
tionalvoltagefeedbackloopandauniquecurrentfeedback  
loop to operate as a constant-current, constant-voltage  
source. Thisfixedfrequency, currentmodeswitcheroper-  
ates from a wide input voltage range of 1.6V to 18V, and  
thehighswitchingfrequencyof1.4MHzpermitstheuseof  
tiny, low profile inductors and capacitors. The current  
sensevoltageissetat50mVandcanbeadjustedusingthe  
Temperature  
Accurate Output Voltage Control: ±1%  
Wide VIN Range: 1.6V to 18V  
1.4MHz Switching Frequency  
High Output Voltage: Up to 35V  
Low VCESAT Switch: 200mV at 1A  
Tiny 10-Pin MSOP Package  
IADJ pin.  
U
APPLICATIO S  
Available in the 10-Pin MSOP package, the LT1618 pro-  
vides a complete solution for constant-current applica-  
tions.  
LED Backlight Drivers  
USB Powered Boost/SEPIC Converters  
Input Current Limited Boost/SEPIC Converters  
Battery Chargers  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATIO  
USB to 12V Boost Converter  
(with Selectable 100mA/500mA Input Current Limit)  
L1  
10µH  
D1  
0.1  
Efficiency Curve  
V
IN  
5V  
V
OUT  
12V  
90  
85  
80  
75  
70  
65  
60  
2
7
ISN  
ISP  
SW  
C1  
4.7µF  
R1  
3
909k  
LT1618  
1
8
9
C2  
4.7µF  
V
FB  
IN  
3.3V  
ON  
R2  
107k  
SHDN  
OFF  
0V  
I
V
GND  
5
ADJ  
C
20k  
4
10  
2k  
10nF  
3.3V  
500mA  
100mA  
0V  
13k  
100 160  
120 140  
0
80  
20 40 60  
LOAD CURRENT (mA)  
C1: TAIYO YUDEN JMK212BJ475  
C2: TAIYO YUDEN EMK316BJ475  
D1: ON SEMICONDUCTOR MBR0520  
L1: SUMIDA CR43-100  
1618 TA01a  
1618 TA01b  
1

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