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SD8621 Datasheet(PDF) 1 Page - SHOUDING Shouding Semiconductor

Part # SD8621
Description  00K H z 6A DC/DC Boost chip
PDF  6 Pages
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Manufacturer  SHOUDING [SHOUDING Shouding Semiconductor]
Direct Link  http://shouding.net/
Logo SHOUDING - SHOUDING Shouding Semiconductor

SD8621 Datasheet(HTML) 1 Page - SHOUDING Shouding Semiconductor

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www.shouding.net
Reu 1.1 May. 14
DC/DC
6A DC/DC
5 00K H z
SD8621
3.2V to 6.5V
92%
SD8621
SD8621
SD8621
SD8621
SD8621
升压芯片
SD862 1
Sh ou ding
                                                          1 / 6
 
描述
是一款高效率、大电流的固定频率
PWM电流 型
升压芯片。
的内置功率
MOS管，提供最大6A的输入电流，
满足大电流负载需要。
的外置软启动管脚，
可以方便的调节芯片的软启动时间，减小系统启动时
候的冲击电流。外置的补偿管脚可以优化芯片的环路
响应，减小大负载波动时芯片的输出纹波。
完善的开路保护功能，短路保护功能，保护
芯片异常情况下不会损坏，提高系统的可靠性。
提供增强散热的
ESOP8封装
特性
高达
的效率
宽工作电压：
输入峰值电流：
6A
500KHz固定工作频率
软启动功能
开路保护和短路保护功能
关机电流小于
1uA
UVLO
应用
插卡音箱
/ USB音箱
蓝牙音响
移动电源
 
典型应用电路图
SW
7
FB
PGND
2
5
COMP
1
VIN
8
EN
3
AGND
6
SS
4
Input
Output
ON
OFF
6.8uH
SS34
22uF
R1
3V‐7V
R2
4.7K
0.1uF
NC
4.7nF
10uF
 


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