參數(shù)資料
型號: CAT8801VTB-GT3
廠商: ON SEMICONDUCTOR
元件分類: 電源管理
英文描述: POWER SUPPLY SUPPORT CKT, PDSO3
封裝: GREEN, TO-236, SOT 23, 3 PIN
文件頁數(shù): 4/7頁
文件大小: 109K
代理商: CAT8801VTB-GT3
CAT8801
http://onsemi.com
4
TYPICAL OPERATING CHARACTERISTICS
(VCC = Full range, TA = 40°C to +85°C unless otherwise noted. Typical values at TA = +25°C.)
Figure 1. PowerUp Reset Timeout
Figure 2. Supply Current vs. Temperature
TEMPERATURE (°C)
100
75
50
25
0
25
50
200
250
300
350
100
75
50
25
0
25
50
100
120
140
160
180
200
220
Figure 3. PowerDown Reset Delay vs.
Temperature
Figure 4. Normalized Reset Threshold vs.
Temperature
TEMPERATURE (°C)
100
75
50
25
0
25
50
2.5
3.0
3.5
4.0
4.5
5.0
125
100
75
50
25
0
25
50
0.996
0.997
0.998
0.999
1.000
1.001
1.002
1.003
t RST
(ms)
I SB
(nA)
POWER
DOWN
RESET
DELA
Y
(m
s)
NORMALIZED
THRESHOLD
VCC = 5.5 V
VCC = 1.8 V
VCC = 5.5 V
VCC = 1.8 V
150
Description
Reset Timing
The reset signal is asserted LOW for the CAT8801 when the power supply voltage falls below the threshold trip voltage and
remains asserted for at least 140 ms after the power supply voltage has risen above the threshold.
Figure 5. Reset Timing Diagram
5V
0V
5V
0V
Threshold
Voltage
140ms
minimum
Reset Timeout Period
Power
Supply
Voltage
RESET
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