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参数资料
| 型号： | CAT706TZI-GT3 |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8 |
| 封装： | 3 X 3 MM, ROHS COMPLIANT, MO-187, MSOP-8 |
| 文件页数： | 2/14页 |
| 文件大小： | 374K |
| 代理商： | CAT706TZI-GT3 |
CAT705, CAT706, CAT813
Doc. No. MD-3030 Rev. A
10
Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
APPLICATION NOTES
P’s with Bidirectional Reset Pins
The RESET
output can be pulled low by processors
like the 68HC11 allowing for a system reset issued by
the processor. The maximum pullup current that can
be sourced by the CAT705 & CAT706 1.5mA (and by
the CAT706 T/R/S is 800A) allowing the processor to
pull the output low even when the CAT70x is pulling it
high.
Power Transients
Generally short duration negative-going transients of
less than 2s on the power supply at VRST minimum
will not cause a reset condition. However the lower
the voltage of the transient the shorter the required
time to cause a reset output.
These issues can
usually be remedied by the proper location of bypass
capacitance on the circuit board.
OUTPUT VALID CONDITIONS
The RESET
output uses a push-pull output which can
maintain a valid output down to a V
CC of 1.0 volts. To
sink current below 0.8V a resistor can be connected
from RESET
to Ground (see Figure 8.)
This
arrangement will maintain a valid value on the RESET
output during both power up and down but will draw
current when the RESET
output is in the high state. A
resistor value of about 100k should be adequate in
most situations to maintain a low condition valid
output down to VCC equal to 1.0V.
Figure 8. RESET
Valid for VCC < 1.0V
Figure 9. Typical Operating Circuit
C
RESET/RESET
WDO
PFO
VCC
WDI
GND
PFI
MR
RESET/RESET
CAT705
CAT706
CAT813
100k
C
RESET/RESET
I/O LINE
INTERRUPT
NMI
VCC
WDO
PFO
VCC
Push Switch
5V
WDI
GND
PFI
MR
CAT705
CAT706
CAT813
RESET/RESET
UNREGULATED DC
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT706VGI | 制造商:Rochester Electronics LLC 功能描述: 制造商:Catalyst Semiconductor 功能描述: |
| CAT706VI-G | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:レP Supervisory Circuits |
| CAT706VI-GT3 | 功能描述:监控电路 MPU SUPR CIRCUIT 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 |
| CAT706ZGI | 制造商:Catalyst Semiconductor 功能描述: |
| CAT706ZI-G | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:μP Supervisory Circuits |
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