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A6985FTR

更新时间： 2024-10-29 01:00:59
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 开关光电二极管
页数 文件大小 规格书
77页 1748K
描述
38 V 500 mA synchronous step-down switching regulator

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A6985FTR 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：TSSOP, TSSOP16,.25Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：14 weeks风险等级：5.71
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：CURRENT-MODE
JESD-30 代码：R-PDSO-G16端子数量：16
最大输出电流：0.5 A封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP16,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
子类别：Switching Regulator or Controllers表面贴装：YES
最大切换频率：2200 kHz端子形式：GULL WING
端子节距：0.635 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIEDBase Number Matches：1

A6985FTR 数据手册

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A6985F  
38 V 500 mA synchronous step-down switching regulator  
with 30 µA quiescent current  
Datasheet - production data  
Description  
The A6985F automotive grade device is a step-  
down monolithic switching regulator able to  
deliver up to 0.5 A DC. The output voltage  
adjustability ranges from 0.85V to VIN. The 100%  
duty cycle capability and the wide input voltage  
HTSSOP16 (RTH = 40 °C/W)  
range meet the cold crank and load dump  
specifications for automotive systems. The “Low  
Consumption Mode” (LCM) is designed for  
applications active during car parking, so it  
maximizes the efficiency at light-load with  
Features  
AECQ100 qualification  
controlled output voltage ripple. The “Low Noise  
Mode” (LNM) makes the switching frequency  
constant and minimizes the output voltage ripple  
overload current range, meeting the low noise  
application specification like car audio. The output  
voltage supervisor manages the reset phase for  
any digital load (µC, FPGA). The RST open  
collector output can also implement output  
voltage sequencing during the power-up phase.  
The synchronous rectification, designed for high  
efficiency at medium - heavy load, and the high  
switching frequency capability make the size of  
the application compact. Pulse by pulse current  
sensing on both power elements implements an  
effective constant current protection.  
0.5 A DC output current  
4 V to 38 V operating input voltage  
Low consumption mode or low noise mode  
30 µA I at light-load (LCM V  
= 3.3 V)  
OUT  
Q
8 µA I  
Q-SHTDWN  
Fixed output voltage (3.3 V and 5 V) or  
adjustable from 0.85 V to V  
IN  
Adjustable f  
(250 kHz - 2 MHz)  
SW  
Embedded output voltage supervisor  
Synchronization  
Adjustable soft-start time  
Internal current limiting  
Overvoltage protection  
Output voltage sequencing  
Peak current mode architecture  
R  
= 360 m, R  
= 150 m  
DSON LS  
DSON HS  
Thermal shutdown  
Applications  
Designed for automotive systems  
Battery powered applications  
Car body applications (LCM)  
Car audio and low noise applications (LNM)  
April 2015  
DocID027738 Rev 2  
1/77  
This is information on a product in full production.  
www.st.com  
1234567...77

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