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A6902D PDF预览

A6902D

更新时间: 2024-01-19 20:00:15
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 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 221K
描述
Up to 1A step down switching regulator with adjustable current limit for automotive applications

A6902D 技术参数

是否Rohs认证: 符合生命周期:End Of Life
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:5.73Is Samacsys:N
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:VOLTAGE-MODE
最大输入电压:36 V最小输入电压:8 V
标称输入电压:12 VJESD-30 代码:R-PDSO-G8
长度:4.9 mm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:3.2 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):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:1.75 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:280 kHz
技术:MOS温度等级:INDUSTRIAL
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 mmBase Number Matches:1

A6902D 数据手册

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A6902D  
Up to 1A step down switching regulator with adjustable  
current limit for automotive applications  
Features  
Qualified following the AEC-Q100  
requirements (temperature Grade 3), see  
PPAP for more details.  
SO-8  
Temperature range -40°C to 85°C  
Up to 1A DC output current  
Description  
Operating input voltage from 8V to 36V  
Output voltage adjustable from 1.235V to 35V  
Precise 3.3V ( 2%) reference voltage  
250kHz Internally fixed frequency  
Voltage feedforward  
The A6902D is a complete and simple step down  
switching regulator with adjustable current limit,  
capable to deliver up to 1A at output voltages from  
1.2V to 35V. The internal robust P-channel DMOS  
transistor with a typical of 250massures high  
efficiency and a minimum dropout even at high  
output current level. The internal fixed switching  
frequency of 250kHz, and the SO-8 package pin  
allow to built an ultra compact DC/ DC converter  
with a minimum board space.  
Zero load current operation  
Internal current limiting  
Protection against feedback disconnection  
Thermal shutdown  
Applications  
Dedicated to automotive applications  
Adjustable current generator  
Simple step-down converters with adjustable  
current limit  
Figure 1.  
Typical application  
VOUT=3.3V  
L1 22µH  
V
IN=8V to 36V  
VCC  
OUT  
CS+  
Rsense  
VREF  
100mO  
D1  
STPS340U  
VIN=8V to 36V  
R1  
COMP  
L6902D  
5.6kO  
CS-  
FB  
C4  
C1  
C2  
100µF  
10V  
10µF  
35V  
22nF  
C3  
R2  
R3  
220pF  
GND  
3.3kO  
5.1kO  
November 2007  
Rev 2  
1/12  
www.st.com  
12  

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