MAX6885 データシートの表示（PDF） - Maxim Integrated
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MAX6885 Datasheet PDF : 34 Pages
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EEPROM-Programmable, Hex
Power-Supply Supervisory Circuits
Table 4. IN1–IN6 Threshold Register Settings
REGISTER
ADDRESS
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Eh
0Fh
10h
EEPROM MEMORY
ADDRESS
80h
81h
82h
83h
84h
85h
86h
87h
88h
89h
8Ah
8Bh
8Eh
8Fh
90h
BIT RANGE
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[0]
[1]
[2]
[3]
[4]
[5]
[7:6]
[0]
[1]
[2]
[3]
[4]
[5]
[7:6]
[0]
[1]
[2]
[3]
[4]
[5]
[7:6]
DESCRIPTION
IN1 Primary Undervoltage Detector Threshold (see equations in the IN1–IN6
section)
IN2 Primary Undervoltage Detector Threshold
IN3 Primary Undervoltage Detector Threshold
IN4 Primary Undervoltage Detector Threshold
IN5 Primary Undervoltage Detector Threshold
IN6 Primary Undervoltage Detector Threshold
IN1 Secondary Undervoltage/Overvoltage Detector Threshold (see equations
in the IN1–IN6 section)
IN2 Secondary Undervoltage/Overvoltage Detector Threshold
IN3 Secondary Undervoltage/Overvoltage Detector Threshold
IN4 Secondary Undervoltage/Overvoltage Detector Threshold
IN5 Secondary Undervoltage/Overvoltage Detector Threshold
IN6 Secondary Undervoltage/Overvoltage Detector Threshold
IN1 Secondary Undervoltage or Overvoltage Selection
0 = Undervoltage
1 = Overvoltage
IN2 Secondary Undervoltage or Overvoltage Selection
IN3 Secondary Undervoltage or Overvoltage Selection
IN4 Secondary Undervoltage or Overvoltage Selection
IN5 Secondary Undervoltage or Overvoltage Selection
IN6 Secondary Undervoltage or Overvoltage Selection
Not Used
IN1 Voltage Threshold Range
0 = 1V to 5.8V (20mV steps)
1 = 0.5V to 3.05V (10mV steps)
IN2 Voltage Threshold Range
IN3 Voltage Threshold Range
IN4 Voltage Threshold Range
IN5 Voltage Threshold Range
IN6 Voltage Threshold Range
Not Used
IN1 Input Impedance
0 = Normal Mode
1 = High-Z Mode (connect external resistor voltage-divider)
IN2 Input Impedance
IN3 Input Impedance
IN4 Input Impedance
IN5 Input Impedance
IN6 Input Impedance
Not Used
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