参数资料
型号: MAX6454UT22S-T
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: 电源管理
英文描述: µP Supervisors with Separate VCC Reset and Manual Reset Outputs
中文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
封装: SOT-23, 6 PIN
文件页数: 5/10页
文件大小: 189K
代理商: MAX6454UT22S-T
MAX6453–MAX6456
P Supervisors with Separate VCC Reset and
Manual Reset Outputs
4
_______________________________________________________________________________________
Typical Operating Characteristics
(VCC = 3.3V, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX6453
toc01
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(
A)
5.0
4.5
3.5 4.0
2.0 2.5 3.0
1.5
1
2
3
4
5
6
7
8
9
0
1.0
5.5
TA = +85
°C
TA = -40
°C
TA = +25
°C
NORMALIZED RESET TIMEOUT PERIOD
vs. TEMPERATURE
MAX6453
toc02
TEMPERATURE (
°C)
NORMALIZED
TIMEOUT
PERIOD
60
35
10
-15
0.96
0.97
0.98
0.99
1.00
1.01
1.02
1.03
1.04
1.05
0.95
-40
85
MAXIMUM TRANSIENT DURATION
vs. RESET THRESHOLD OVERDRIVE
MAX6453
toc03
RESET THRESHOLD OVERDRIVE (mV)
TRANSIENT
DURATION
(
s)
800
600
400
200
50
100
150
200
250
0
1000
RESET OCCURS
ABOVE THE CURVE
VTH = 4.4V
NORMALIZED VCC RESET THRESHOLD
vs. TEMPERATURE
MAX6453
toc04
TEMPERATURE (
°C)
NORMALIZED
V
CC
RESET
THRESHOLD
60
35
10
-15
0.98
0.99
1.00
1.01
1.02
1.03
0.97
-40
85
VCC TO RESET DELAY
vs. TEMPERATURE
MAX6453
toc05
TEMPERATURE (
°C)
V
CC
TO
RESET
DELAY
(
s)
60
35
10
-15
20.4
20.8
21.2
21.6
22.0
22.4
22.8
23.2
23.6
24.0
20.0
-40
85
VCC FALLING AT 1mV/
s
RSTIN TO RESET DELAY
vs. TEMPERATURE (RSTIN FALLING)
MAX6453
toc06
TEMPERATURE (
°C)
RSTIN
TO
RESET
DELAY
(
s)
60
35
10
-15
20.4
20.8
21.2
21.6
22.0
22.4
22.8
23.2
23.6
24.0
20.0
-40
85
RSTIN FALLING AT 1mV/
s
MANUAL RESET TO MROUT AND
RESET DELAY (MAX6455/MAX6456)
MAX6453 toc07
TIME (1s/div)
MR (5V/div)
MROUT (5V/div)
RESET (5V/div)
VCC = 5V
VCC TO RESET DELAY
MAX6453 toc08
TIME (100
s/div)
VCC (100mV/div)
RESET (2V/div)
VCC = 4.5V
VTH = 4.392V
VCC = 4.3V
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