ACST1010-7FP

更新时间： 2024-02-19 12:57:37

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		电源电路开关电源管理电路局域网
页数	文件大小	规格书
13页	168K
描述
Overvoltage protected AC switch

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ACST1010-7FP 技术参数

生命周期：	Active	零件包装代码：	TO-220AB
包装说明：	TO-220AB, 3 PIN	针数：	3
Reach Compliance Code：	not_compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	13 weeks
风险等级：	2.08	Is Samacsys：	N
可调阈值：	YES	模拟集成电路 - 其他类型：	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：	R-XSFM-T3	JESD-609代码：	e3
信道数量：	1	功能数量：	1
端子数量：	3	最高工作温度：	125 °C
最低工作温度：	-40 °C	封装主体材料：	UNSPECIFIED
封装形状：	RECTANGULAR	封装形式：	FLANGE MOUNT
峰值回流温度（摄氏度）：	NOT SPECIFIED	认证状态：	Not Qualified
表面贴装：	NO	温度等级：	AUTOMOTIVE
端子面层：	Matte Tin (Sn)	端子形式：	THROUGH-HOLE
端子位置：	SINGLE	处于峰值回流温度下的最长时间：	NOT SPECIFIED
Base Number Matches：	1

ACST10

Application information

Figure 16. Universal drum motor control – typical diagram

Universal motor

Stator

Rotor

12V

AC Mains

Motor direction

setting

MCU

ACST

Speed motor

regulation

Vcc

MCU

2.2

AC line transient voltage ruggedness

In comparison with standard Triacs, which are not robust against surge voltage, the ACST10

is self-protected against over-voltage, specified by the new parameter V . The ACST10

switch can safely withstand AC line transient voltages either by clamping the low energy

spikes, such as inductive spikes at switch off, or by switching to the on state (for less than 10

ms) to dissipate higher energy shocks through the load. This safety feature works even with

high turn-on current ramp up.

The test circuit of Figure 17 represents the ACST10 application, and is used to stress the

ACST switch according to the IEC 61000-4-5 standard conditions. With the additional effect

of the load which is limiting the current, the ACST switch withstands the voltage spikes up to

2 kV on top of the peak line voltage. The protection is based on an overvoltage crowbar

technology. The ACST10 folds back safely to the on state as shown in Figure 18. The

ACST10 recovers its blocking voltage capability after the surge and the next zero current

crossing. Such a non repetitive test can be done at least 10 times on each AC line voltage

polarity.

Doc ID 15237 Rev 3

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