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参数资料
| 型号： | APX825A-26W6G-7 |
| 厂商： | Diodes Inc |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR LO/HI 2.63V SOT-26 |
| 标准包装： | 1 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 推挽式，图腾柱 |
| 复位： | 高有效/低有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 2.63V |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 供应商设备封装： | SOT-26 |
| 包装： | 标准包装 |
| 其它名称： | APX825A-26W6GDIDKR |
APX823/APX824/APX825A
PROCESSOR SUPERVISORY CIRCUITS
Description
Pin Assignments
The APX823/APX824/APX825A family of supervisors
provides circuit initialization and timing supervision, primarily
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(Top View)
for DSP and processor-based systems.
RESET
1
5 V CC
During power-on, RESET is asserted when supply voltage
V CC becomes higher than 1.1V. Thereafter, the supply
GND 2
APX823
voltage supervisor monitors V CC and keeps RESET active as
long as V CC remains below the threshold voltage V TH - . An
MR
3
4 WDI
internal timer delays the return of the output to the inactive
state (high) to ensure proper system reset. The delay time, t d
SOT25
starts after V CC has risen above the threshold voltage V TH- .
When the supply voltage drops below the threshold voltage
V TH - , the output becomes active (low) again. No external
components are required. All the devices of this family have a
fixed-sense threshold voltage V TH - set by an internal voltage
divider.
The APX823/APX825A devices incorporate a manual reset
input, MR . A low level at MR causes RESET to become
active. The APX824/APX825A devices include a high-level
output RESET. APX823/APX824/APX825A have a watchdog
timer that is periodically triggered by a positive or negative
transition at WDI. When the supervising system fails to
retrigger the watchdog circuit within the time-out interval,
ttout, RESET becomes active for the time period td. This
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RESET 1
GND 2
RESET 3
RESET 1
(Top View)
APX824
SOT25
(Top View)
5 V CC
4 WDI
6 V CC
event also reinitializes the watchdog timer. Leaving WDI
unconnected disables the watchdog.
In applications where the input to the WDI pin may be active
(transitioning high and low) when the APX823/APX824/APX8
GND 2
RESET 3
APX825A
5 WDI
4 MR
25A asserting RESET the APX823/APX824/APX825A does
operation over a temperature range of -40 C to 105 C.
not return to a non-reset state when the input voltage is
above Vt. The product spectrum is designed for supply
voltage of 2.5V, 3V, 3.3V and 5V. The circuits are available in
a SOT25 and SOT26 packages. The
APX823/APX824/APX825A devices are characterized for
o o
Features
Applications
SOT26
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Power-on reset generator with fixed delay time of 200ms
Typ
Manual reset input (APX823/APX825A)
Reset output available in active-low
(APX823/APX824/APX825A), active-high
(APX824/APX825A)
Supply voltage supervision range 2.5V, 3V, 3.3V, 5V
Watchdog timer
Supply current of 30 μ A (Typ.)
Temperature range: -40°C to 85°C
SOT25 and SOT26: Available in “Green” Molding
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Applications Using DSPs, Microcontrollers, or
Microprocessors
Industrial Equipment
Programmable Controls
Automotive Systems
Portable/Battery-Powered Equipment
Intelligent Instruments
Wireless Communications Systems
Notebook/Desktop Computers
Compound (No Br, Sb)
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Note:
Lead Free Finish/RoHS Compliant (Note 1)
1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied, see EU Directive 2002/95/EC Annex Notes .
APX823/APX824/APX825A
Document number: DS31323 Rev. 4 - 2
1 of 12
May 2011
? Diodes Incorporated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| APX825A-29W5G-7 | 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:PROCESSOR SUPERVISORY CIRCUITS |
| APX825A-29W6G-7 | 功能描述:监控电路 1.1V-5.5V 2.93V 20mA 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 |
| APX825A-31W5G-7 | 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:PROCESSOR SUPERVISORY CIRCUITS |
| APX825A-31W6G-7 | 功能描述:监控电路 1.1V-5.5V 3.08V 20mA 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 |
| APX825A-40W5G-7 | 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:PROCESSOR SUPERVISORY CIRCUITS |
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