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DS1830S

更新时间： 2024-01-11 09:04:18
品牌 Logo 应用领域
达拉斯 - DALLAS 电源电路电源管理电路光电二极管输入元件
页数 文件大小 规格书
7页 277K
描述
Reset Sequence Pushbutton

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DS1830S 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：MSOP
包装说明：TSSOP,针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.35其他特性：PUSHBUTTON RESET INPUT
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDSO-G8JESD-609代码：e3
长度：3 mm湿度敏感等级：1
信道数量：1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封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.1 mm
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：1 V
标称供电电压 (Vsup)：5 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：30
宽度：3 mmBase Number Matches：1

DS1830S 数据手册

 浏览型号DS1830S的Datasheet PDF文件第1页浏览型号DS1830S的Datasheet PDF文件第2页浏览型号DS1830S的Datasheet PDF文件第4页浏览型号DS1830S的Datasheet PDF文件第5页浏览型号DS1830S的Datasheet PDF文件第6页浏览型号DS1830S的Datasheet PDF文件第7页 
D1830/A  
OPERATION — PUSHBUTTON RESET  
The DS1830 provides a pushbutton switch for manual reset control. When any of the DS1830/A resets  
are not active (low) a reset cycle can be initiated by a pushbutton reset. The pushbutton reset is generated  
by pulling the PBRST pin low for at least 1ms. When the push- button is held low all resets are forced  
active. The reset will remain active until the pushbutton input is released and then will start a sequenced  
time-out based on the condition of the TD input. The Pushbutton input is pulled high through an internal  
40kꢀ pull-up resistor and debounced via internal circuitry. See Figure 2 for an application example and  
Figure 3 for the timing diagram.  
PUSHBUTTON RESET Figure 2  
TIMING DIAGRAM — PUSHBUTTON RESET Figure 3  
OPERATION — TIME DELAY SELECT  
The DS1830 provides an input to select three time delay characteristics for the reset outputs. The TD  
input has 3 states high (VCC), low (ground) and no connect (N.C.). Table 2 details the minimum timing  
based on the state of the TD input. If the TD input is connected to ground; RST1 will have a minimum  
time delay of 10 ms after VCC is in tolerance. If the TD input is floated; RST1 will have a minimum time  
delay of 20 ms after VCC is in tolerance. If the TD input is connected to VCC, RST1 will have a minimum  
time delay of 50 ms after VCC is in tolerance. An oscillator and clock chain generate the reset timing with  
each time delay based on the same device oscillator. The time delay for RST2 will be 5 times as long as  
RST1 and RST3 will be 10 times the duration of RST1 .  
TD CONTROL MINIMUM RESET TIMING Table 2  
T
T
T
TD  
RST1  
RST2  
RST3  
TD = GND  
TD = N.C.  
TD = VCC  
10ms  
20ms  
50ms  
50ms  
100ms  
250ms  
100ms  
200ms  
500ms  
3 of 7  
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