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Datasheet > 电源电路 > 开关式稳压器或控制器> LTC1174HVIS8#PBF
LTC1174HVIS8#PBF PDF预览

LTC1174HVIS8#PBF

更新时间： 2024-11-22 13:01:43
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
20页 248K
描述
LTC1174 - High Efficiency Step-Down and Inverting DC/DC Converter; Package: SO; Pins: 8; Temperature Range: -40°C to 85°C

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中文翻译

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LTC1174HVIS8#PBF 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：7.38模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：CURRENT-MODE控制技术：CONSTANT OFF TIME
最大输入电压：16 V最小输入电压：4 V
标称输入电压：9 VJESD-30 代码：R-PDSO-G8
JESD-609代码：e3长度：4.9025 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：1 A
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：1.752 mm
子类别：Switching Regulator or Controllers表面贴装：YES
切换器配置：BUCK最大切换频率：200 kHz
技术：CMOS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：3.899 mm
Base Number Matches：1

LTC1174HVIS8#PBF 数据手册

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LTC1174  
LTC1174-3.3/LTC1174-5  
High Efficiency  
Step-Down and Inverting  
DC/DC Converter  
U
FEATURES  
DESCRIPTIO  
The LTC®1174 is a simple current mode DC/DC converter  
ideally suited for 9V to 5V, 5V to 3.3V or 5V to –5V  
operation. With an internal 0.9Ω switch (at a supply  
voltage of 9V), the LTC1174 requires only four external  
components to construct a complete high efficiency  
DC/DC converter.  
■
High Efficiency: Up to 94%  
■
Peak Inductor Current Independent of  
Inductor Value  
Short-Circuit Protection  
■
■
Optimized for 5V to –5V Applications  
■
Wide VIN Range: 4V to 18.5V  
■
Low Dropout Operation  
UnderanoloadconditiontheLTC1174drawsonly130µA.  
In shutdown, it draws a mere 1µA making this converter  
ideal for current sensitive applications. In dropout, the  
internal P-channel MOSFET switch is turned on continu-  
ously allowing the user to maximize the life of the battery  
source.  
■
Low-Battery Detector  
■
Pin Selectable Current Limit  
■
Internal 0.9Ω Power Switch: VIN = 9V  
■
Only Four External Components Required  
■
130µA Standby Current  
■
Active Low Micropower Shutdown  
The maximum inductor current of the LTC1174 family is  
pin selectable to either 340mA or 600mA, optimizing  
efficiency for a wide range of applications. Operation up to  
200kHz permits the use of small surface mount inductors  
and capacitors.  
U
APPLICATIO S  
■
Distributed Power Systems  
■
Step-Down Converters  
■
Inverting Converters  
For applications requiring higher output current or ultra-  
high efficiency, see the LTC1148 data sheet.  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
■
Memory Backup Supply  
■
Portable Instruments  
■
Battery-Powered Equipment  
U
TYPICAL APPLICATIO  
High Efficiency Step-Down Converter  
LTC1174-5 Efficiency  
100  
V
IN  
9V  
95  
15µF*  
25V  
+
6
V
= 6V  
IN  
V
IN  
×3  
3
2
8
1
5
90  
85  
80  
75  
70  
LB  
LB  
SHUTDOWN  
IN  
V
= 9V  
IN  
V
OUT  
OUT  
SW  
5V  
175mA  
7
I
PGM  
100µH†  
LTC1174-5  
+
100µF**  
10V  
1N5818  
GND  
4
L = 100µH  
V
= 5V  
= 0V  
OUT  
PGM  
1174 TA01  
I
(3) AVX TPSD156K025  
AVX TPSD107K010  
*
**  
1
10  
LOAD CURRENT (mA)  
100 200  
† COILTRONICS CTX100-4  
1174 TA02  
1174fe  
1
1234567...20

中文翻译

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LTC1174HVIS8#PBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC1174HVIS8#TRPBF Linear

完全替代

 LTC1174 - High Efficiency Step-Down and Inverting DC/DC Converter; Package: SO; Pins: 8; T
LTC1174HVCS8#PBF Linear

类似代替

 LTC1174 - High Efficiency Step-Down and Inverting DC/DC Converter; Package: SO; Pins: 8; T

与LTC1174HVIS8#PBF相关器件

型号 品牌 获取价格 描述 数据表
LTC1174HVIS8#TR Linear

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 		LTC1174 - High Efficiency Step-Down and Inverting DC/DC Converter; Package: SO; Pins: 8; T
LTC1174HVIS8#TRPBF Linear

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 		LTC1174 - High Efficiency Step-Down and Inverting DC/DC Converter; Package: SO; Pins: 8; T
LTC1174IN8 Linear

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 		High Efficiency Step-Down and Inverting DC/DC Converter
LTC1174IN8#PBF Linear

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 		LTC1174 - High Efficiency Step-Down and Inverting DC/DC Converter; Package: PDIP; Pins: 8;
LTC1174IN8#TR Linear

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 		IC 1 A SWITCHING REGULATOR, 200 kHz SWITCHING FREQ-MAX, PDIP8, 0.300 INCH, PLASTIC, DIP-8,
LTC1174IN8#TRPBF Linear

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 		IC 1 A SWITCHING REGULATOR, 200 kHz SWITCHING FREQ-MAX, PDIP8, 0.300 INCH, LEAD FREE, PLAS
LTC1174IS8 Linear

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 		High Efficiency Step-Down and Inverting DC/DC Converter
LTC1174IS8#PBF Linear

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 		暂无描述
LTC1174IS8#TR Linear

获取价格

 		LTC1174 - High Efficiency Step-Down and Inverting DC/DC Converter; Package: SO; Pins: 8; T
LTC1174IS8#TRPBF Linear

获取价格

 		LTC1174 - High Efficiency Step-Down and Inverting DC/DC Converter; Package: SO; Pins: 8; T

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