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参数资料
| 型号： | DS1819BR-10T&R |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO5 |
| 封装： | SOT-23, 5 PIN |
| 文件页数： | 10/12页 |
| 文件大小： | 237K |
| 代理商： | DS1819BR-10T&R |
DS1814/DS1819
7 of 8
AC ELECTRICAL CHARACTERISTICS
(-40
°C to +85°C; VCC = 1.2V to 5.5V)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
PBRST
= VIL
tPB
1
ms
7
Reset Active Time
tRST
140
200
280
ms
ST
Pulse Width
tST
50
ns
8
Watchdog Time-out
tTD
1.12
1.60
2.40
s
VCC Detect to RST and RST
tRPD
30
40
ms
9
VCC Slew Rate (rising edge)
12.5
V/
ms
VCC Detect to RST and RST
tRPU
140
200
280
ms
PBRST
Stable Low to RST and RST
tPDLY
500
ns
CAPACITANCE
(t
A = 25°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
Input Capacitance
CIN
5pF
Output Capacitance
COUT
7pF
NOTES:
1) All voltages are referenced to ground.
2) PBRST is internally pulled up to VCC with an internal impedance of 50k
W typical.
3) Measured with VCC
2.7V.
4) Measured with outputs open, VCC
5.5V, and all inputs at VCC or Ground, except the ST input at
<10kHz duty cycle-square wave or ST input open.
5) Measured with outputs open, VCC
3.6V, and all inputs at VCC or Ground, except the ST input at
<10kHz duty cycle-square wave or ST input open.
6) The ST input current is defined as the average input current when ST is driven high or low. This input
must be driven high or low by an output that can source or sink at least 200
mA when active.
7) Noise immunity: pulses <100ns at pushbutton input will not cause a reset.
8) Must not exceed tTD minimum.
9) Noise immunity: pulses <2
ms at VCCTP minimum will not cause a reset and VCCTP - VCC = 100mV.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1819BR-10-U | 功能描述:电压监测器/监控器 RoHS:否 制造商:Texas Instruments 监测电压数:2 监测电压:Adjustable 输出类型:Open Drain 欠电压阈值: 过电压阈值: 准确性:1 % 工作电源电压:1.5 V to 6.5 V 工作电源电流:1.8 uA 最大工作温度:+ 125 C 封装 / 箱体:SON-6 安装风格:SMD/SMT |
| DS1819BR-10-U+ | 功能描述:电压监测器/监控器 RoHS:否 制造商:Texas Instruments 监测电压数:2 监测电压:Adjustable 输出类型:Open Drain 欠电压阈值: 过电压阈值: 准确性:1 % 工作电源电压:1.5 V to 6.5 V 工作电源电流:1.8 uA 最大工作温度:+ 125 C 封装 / 箱体:SON-6 安装风格:SMD/SMT |
| DS1819BR-20/T&R | 制造商:Maxim Integrated Products 功能描述:UMON RST WD SOT23 3.3V 20% T&R - Tape and Reel 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:IC MICROMON 3V RSET WDOG SOT23-5 制造商:Maxim Integrated Products 功能描述:Supervisory Circuits 3.3/5V MicroMonitor |
| DS1819BR-20/T&R | 功能描述:监控电路 3.3/5V MicroMonitor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| DS1819BR-20/TR | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage Detector |
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