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LTC1504CS8#TRPBF PDF预览

LTC1504CS8#TRPBF

更新时间： 2024-10-31 13:09:43
品牌 Logo 应用领域
凌特 - Linear 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 252K
描述
LTC1504 - 500mA Low Voltage Step-Down Synchronous Switching Regulator; Package: SO; Pins: 8; Temperature Range: 0°C to 70°C

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中文翻译

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LTC1504CS8#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,
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.14模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：VOLTAGE-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：10 V最小输入电压：4 V
标称输入电压：5 VJESD-30 代码：R-PDSO-G8
JESD-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：70 °C
最低工作温度：最大输出电流：1 A
封装主体材料：PLASTIC/EPOXY封装代码：SOP
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表面贴装：YES
切换器配置：BUCK最大切换频率：250 kHz
技术：CMOS温度等级：COMMERCIAL
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 mm
Base Number Matches：1

LTC1504CS8#TRPBF 数据手册

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Final Electrical Specifications  
LTC1504  
500mA Low Voltage  
Step-Down Synchronous  
Switching Regulator  
U
DESCRIPTION  
FEATURES  
■
500mA Output Current at 3.3V Output  
The LTC®1504 is a self-contained, high efficiency syn-  
chronous buck switching regulator. It includes a pair of  
on-chip 1.5Ω power switches, enabling it to supply up to  
500mA of load current. Efficiency peaks at 92%, minimiz-  
ing heat and wasted power. The synchronous buck archi-  
tecture allows the output to source or sink current as  
required to keep the output voltage in regulation.  
■
Up to 92% Peak Efficiency  
■
Internal Reference Trimmed to 1%  
■
Output Can Source or Sink Current  
Requires as Few as Four External Components  
Input Voltage Range: 4V to 10V  
Adjustable Current Limit  
■
■
■
■
Small SO-8 Package  
The LTC1504 is available in adjustable and fixed 3.3V  
output versions. An adjustable current limit circuit pro-  
vides protection from overloads. The internal 1% refer-  
encecombinedwithasophisticatedvoltagefeedbackloop  
provides optimum output voltage accuracy and fast load  
transient response. The LTC1504 is specified to operate  
with input voltages between 4V and 10V. Contact the LTC  
factory for guaranteed specifications at 2.7V supply.  
■
200kHz Switching Frequency Can be  
Synchronized Up to 500kHz  
U
APPLICATIONS  
■
Small Portable Digital Systems  
Daisy-Chained Control Outputs  
■
■
■
Active Termination  
Auxiliary Output Voltage Supplies  
Minimum Part Count/Size Switchers  
The LTC1504 is available in a plastic SO-8 package.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATION  
Minimum Part Count 5V to 3.3V Regulator  
5V to 3.3V Efficiency  
100  
NC SHUTDOWN  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
I
SHDN  
MAX  
L
EXT  
3.3V AT 500mA  
5V  
V
CC  
SW  
+
LTC1504-3.3  
C
IN  
GND  
SS  
SENSE  
COMP  
+
C
OUT  
NC  
1000pF  
C
C
EXT  
: AVX TPSC226M016R0375  
IN  
OUT  
: AVX TAJC476M010  
L
: COILTRONICS CTX50-1P  
1504 • TA01  
10  
100  
500  
LOAD CURRENT (mA)  
1504 • TA02  
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.  
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中文翻译

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