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LT1301IS8#TRPBF PDF预览

LT1301IS8#TRPBF

更新时间: 2024-11-21 13:09:35
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闪存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 287K
描述
LT1301 - Micropower High Efficiency 5V/12V Step-Up DC/DC Converter for Flash Memory; Package: SO; Pins: 8; Temperature Range: -40°C to 85°C

LT1301IS8#TRPBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:SOIC包装说明:SOP, SOP8,.25
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.12模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE FREQUENCY MODULATION
最大输入电压:6 V最小输入电压:2 V
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:4.9 mm湿度敏感等级:1
功能数量:1端子数量:8
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:0.75 A标称输出电压:12 V
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.75 mm
子类别:Switching Regulator or Controllers最大供电电流 (Isup):0.2 mA
表面贴装:YES切换器配置:BOOST
最大切换频率:155 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:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:3.9 mmBase Number Matches:1

LT1301IS8#TRPBF 数据手册

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LT1301  
Micropower High Efficiency  
5V/12V Step-Up DC/DC  
Converter for Flash Memory  
U
DESCRIPTION  
FEATURES  
12V at 120mA from 5V or 3.3V Supply  
TheLT1301isamicropowerstep-upDC/DCconverterthat  
utilizes Burst Mode™ operation. The device can deliver 5V  
or 12V from a two-cell battery input. It features program-  
mable 5V or 12V output via a logic-controlled input, no-  
loadquiescentcurrentof120µAandashutdownpinwhich  
reducessupplycurrentto10µA.Theon-chippowerswitch  
has a low 170mV saturation voltage at a switch current of  
1A, a four-fold reduction over prior designs. A 155kHz  
internal oscillator allows the use of extremely small sur-  
facemountinductorsandcapacitors.Operationisguaran-  
teedat1.8Vinput. Thisallowsmoreenergytobeextracted  
fromthebattery, increasingoperatinglife. TheILIM pincan  
be used for soft start or to program peak switch current  
with a single resistor allowing the use of even smaller  
inductors in lighter load applications. The LT1301 is  
available in an 8-lead SOIC package, minimizing board  
space requirements. For a selectable 3.3V/5V step-up  
converter, please see the LT1300. For higher output  
power, see the LT1302.  
Supply Voltage as Low as 1.8V  
Better High Current Efficiency Than CMOS  
Up to 89% Efficiency  
120µA Quiescent Current  
Shutdown to 10µA  
Programmable 5V or 12V Output  
Low VCESAT Switch: 170mV at 1A Typical  
ILIM Pin Programs Peak Switch Current  
Uses Inexpensive Surface Mount Inductors  
8-Lead DIP or SOIC Package  
U
APPLICATIONS  
Flash Memory VPP Generator  
Palmtop Computers  
Portable Instruments  
Bar-Code Scanners  
Personal Digital Assistants  
PCMCIA Cards  
Burst Mode is a trademark of Linear Technology Corporation.  
U
TYPICAL APPLICATIONS N  
L1  
Output Voltage  
Efficiency  
D1  
33µH  
5V  
OR  
3.3V  
12V  
OUTPUT  
90  
88  
86  
12V  
VOUT  
2V/DIV  
V
IN  
= 5V  
SW  
V
IN  
SELECT  
SENSE  
V
IN  
= 3.3V  
+
84  
82  
80  
78  
76  
74  
72  
0
C1  
LT1301  
47µF  
C2  
33µF  
20V  
+
0.1µF*  
SHDN  
PGND  
I
N/C  
SHUTDOWN  
LIM  
GND  
SHUTDOWN  
10V/DIV  
1ms/DIV  
LT1301 TAO1  
*REQUIRED FOR 5V OUTPUT  
V
IN = 5V, VOUT = 12V  
LT1301 F1  
LOAD = 100Ω  
L1 = COILCRAFT DO3316-333  
OR SUMIDA CD73-330KC  
D1 = 1N5817 OR MOTOROLA  
MBRS130LT3  
1
10  
LOAD CURRENT (mA)  
100  
300  
C1 = AVX TPSD476M016R0100  
OR SANYO OS-CON 165A47M  
C2 = AVX TPSD336M020R0100  
OR SANYO OS-CON 205A33M  
LT1301 TA2  
LT1300 F2  
Figure 1. 3.3V/5V to 12V Step-Up Converter  
1

LT1301IS8#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LT1301IS8#PBF Linear

类似代替

LT1301 - Micropower High Efficiency 5V/12V Step-Up DC/DC Converter for Flash Memory; Packa
LT1301IS8 Linear

功能相似

Micropower High Efficiency 5V/12V Step-Up DC/DC Converter for Flash Memory

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