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A5970D013TR

更新时间： 2024-11-12 12:52:15
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 稳压器开关
页数 文件大小 规格书
41页 1375K
描述
Up to 1 A step down switching regulator for automotive applications

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A5970D013TR 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：SOP,Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.72其他特性：OUTPUT VOLTAGE IN ADJUSTABLE MODE IS 1.235V TO 36V
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：36 V
最小输入电压：4 V标称输入电压：12 V
JESD-30 代码：R-PDSO-G8长度：4.9 mm
功能数量：1端子数量：8
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）：NOT SPECIFIED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：280 kHz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：NOT SPECIFIED宽度：3.9 mm
Base Number Matches：1

A5970D013TR 数据手册

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A5970D  
Up to 1 A step down switching regulator  
for automotive applications  
Features  
■ Qualified following the AEC-Q100  
requirements (see PPAP for more details)  
■ 1 A DC output current  
SO8  
■ Operating input voltage from 4 V to 36 V  
■ 3.3 V / ( 2%) reference voltage  
■ Output voltage adjustable from 1.235 V to V  
■ Low dropout operation: 100% duty cycle  
■ 250 kHz Internally fixed frequency  
■ Voltage feedforward  
Description  
IN  
The A5970D is a step down monolithic power  
switching regulator with a minimum switch current  
limit of 1.35 A so it is able to deliver up to 1 A DC  
current to the load depending on the application  
conditions. The output voltage can be set from  
■ Zero load current operation  
1.235 V to V .  
IN  
■ Internal current limiting  
The device uses an internal p-channel DMOS  
■ Inhibit for zero current consumption  
■ Synchronization  
transistor (with a typical R  
of 250 mΩ) as  
DS(on)  
switching element to minimize the size of the  
external components.  
■ Protection against feedback disconnection  
■ Thermal shutdown  
An internal oscillator fixes the switching frequency  
at 250 kHz. Having a minimum input voltage of  
4 V only it fits the automotive applications  
requiring the device operation even in cold crank  
conditions. Pulse by pulse current limit with the  
internal frequency modulation offers an effective  
constant current short circuit protection.  
Application  
■ Dedicated to automotive applications  
Figure 1.  
Application schematic  
VIN=4 to 36V  
VOUT=3.3V  
November 2009  
Doc ID 13955 Rev 6  
1/41  
www.st.com  
41  
1234567...41

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