MAX6339 データシートの表示（PDF） - Maxim Integrated
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MAX6339 Datasheet PDF : 9 Pages
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Quad Voltage µP Supervisory Circuit
in SOT Package
(VIN2 = +3.0V, TA = +25°C)
MAXIMUM IN_ TRANSIENT DURATION
vs. RESET THRESHOLD OVERDRIVE
80
70
60
50
40
RESET ASSERTED
ABOVE THIS LINE
30
20
10
0
0 100 200 300 400 500 600 700 800 900 1000
RESET THRESHOLD OVERDRIVE (mV)
Typical Operating Characteristics (continued)
RESET DELAY vs. RESET THRESHOLD
OVERDRIVE (IN_ decreasing)
80
70
IN_
100mV/div
60
50
40
30
RESET
20
2V/div
10
0
0 100 200 300 400 500 600 700 800 900 1000
RESET THRESHOLD OVERDRIVE (mV)
RESET PULLUP AND PULLDOWN
RESPONSE (CL = 47pF)
10µs/div
RESET TIMEOUT DELAY
vs. TEMPERATURE
215
210
205
200
195
190
185
180
-40 -20 0
20 40 60 80
TEMPERATURE (°C)
RESET TIMEOUT DELAY
IN_
2V/div
2V/div
RESET
2V/div
200ms/div
Pin Description
PIN
NAME
FUNCTION
1
IN1
Input Voltage 1. See the Selector Guide for monitored voltages.
2
IN2
Input Voltage 2. See the Selector Guide for monitored voltages. IN2 is the power-supply input for
the device.
3
IN3
Input Voltage 3. See the Selector Guide for monitored voltages.
4
IN4
Input Voltage 4. See the Selector Guide for monitored voltages.
5
GND
Ground
Reset Output, Active Low. RESET goes low when any input goes below its specified threshold. After
6
RESET all inputs are above their threshold voltage, RESET remains low for at least 140ms (minimum) before
going high. RESET output is open drain with a weak internal pullup to IN2.
4 _______________________________________________________________________________________
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