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参数资料
| 型号： | CAT706TZI-G |
| 厂商： | ON SEMICONDUCTOR |
| 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, HALOGEN FREE AND ROHS COMPLIANT, MO-187, MSOP-8 |
| 文件页数： | 9/12页 |
| 文件大小： | 133K |
| 代理商： | CAT706TZI-G |
CAT705, CAT706, CAT813
http://onsemi.com
6
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 2. VCC Supply Current vs. Temperature
Figure 3. Normalized Reset Threshold Voltage
vs. Temperature
TEMPERATURE (°C)
100
80
60
40
20
0
20
40
1
2
3
4
5
6
8
9
100
80
60
40
20
0
20
40
0.94
0.96
0.98
1.00
1.02
1.04
1.06
SUPPL
Y
CURRENT
(m
A)
NORMALIZED
RESET
THRESHOLD
(V)
120
7
FUNCTIONAL DESCRIPTION
Processor Reset
The CAT705, CAT706 & CAT813 detect supply voltage
(VCC) conditions that are below the specified voltage trip
value (VRST) and provide a reset output to maintain correct
system operation. On powerup, RESET (or RESET for the
CAT813) are kept active for a minimum delay tRP of 140 ms
after the supply voltage (VCC) rises above VRST to allow the
power supply and processor to stabilize. When VCC drops
below the voltage trip value (VRST), the reset output signals
RESET (or RESET) are pulled active. RESET (or RESET)
is specifically designed to provide the reset input signals for
processors. This provides reliable and consistent operation
as power is turned on, off or during brownout conditions by
maintaining the processor operation in known conditions.
Manual Reset
The CAT705, CAT706 & CAT813 each have a Manual
Reset (MR) input to allow for alternative control of the reset
outputs. The MR input is designed for direct connection to
a pushbutton (see Figure 4). The MR input is internally
pulled up by 60 k
W resistor and must be pulled low to cause
the reset output to go active. Internally, this input is
debounced and timed such that RESET (or RESET) signals
of at least 140 ms minimum will be generated. The min
140 ms tRP delay commences as the Manual Reset input is
released from the low level. (see Figure 5).
WDI
GND
PFI
CAT705
CAT706
CAT813
Figure 4. Pushbutton RESET
VCC
MR
PFO
WDO
RESET/RESET
RESET
Figure 5. Timing Diagram – Pushbutton RESET
RESET
MR
VIL
tPB
tPDLY
VIH
tRP
VOH
VOL
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT706TZI-GT3 | 功能描述:监控电路 4.4V Pull Low 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 |
| 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: |
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