MAX6886 データシートの表示（PDF） - Maxim Integrated

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MAX6886

Pin-Selectable, Hex Power-Supply Supervisory Circuit

Maxim Integrated 

Pin-Selectable, Hex Power-Supply

Supervisory Circuit

the IN inputs only at power-up. Use the voltage-divider

circuit of Figure 1 and Equation 1 to set the threshold

for the user-adjustable inputs as described in the

Voltage-Detector Inputs (IN_) section.

Manual Reset (MR)

Many microprocessor-based (µP) products require

manual reset capability to allow an operator or external

logic circuitry to initiate a reset. The manual reset input

(MR) can be connected directly to a switch without an

external pullup resistor or debouncing network. MR is

internally pulled up to DBP. Leave unconnected if not

used. MR is internally pulled up to DBP through a 10µA

current source. MR is designed to reject fast, falling

transients (typically 100ns pulses) and must be held low

for a minimum of 1µs to assert RESET. After MR transi-

tions from low to high, RESET remains asserted for the

duration of its timeout period.

Table 1. Nominal Monitored Supply Voltages

SELECTION TH4–TH0*

IN1

1

11111

5.0

2

11110

5.0

3

11101

5.0

4

11100

5.0

5

11011

5.0

6

11010

5.0

7

11001

5.0

8

11000

5.0

9

10111

3.3

10

10110

3.0

11

10101

3.3

12

10100

3.0

13

10011

3.3

14

10010

3.0

15

10001

3.3

16

10000

3.0

17

01111

5.0

18

01110

5.0

19

01101

5.0

20

01100

5.0

21

01011

5.0

22

01010

5.0

23

01001

5.0

24

01000

5.0

25

00111

3.3

26

00110

3.0

27

00101

3.3

28

00100

3.0

29

00011

3.3

30

00010

3.0

31

00001

3.3

32

00000

ADJ

NOMINAL SUPPLY VOLTAGES (V)

IN2

IN3

IN4

IN5

3.3

2.5

1.8

ADJ

3.0

2.5

1.8

ADJ

3.3

2.5

ADJ

ADJ

3.0

2.5

ADJ

ADJ

3.3

1.8

ADJ

ADJ

3.0

1.8

ADJ

ADJ

3.3

ADJ

ADJ

ADJ

3.0

ADJ

ADJ

ADJ

2.5

1.8

ADJ

ADJ

2.5

1.8

ADJ

ADJ

2.5

ADJ

ADJ

ADJ

2.5

ADJ

ADJ

ADJ

1.8

ADJ

ADJ

ADJ

1.8

ADJ

ADJ

ADJ

2.5

1.8

1.5

ADJ

2.5

1.8

1.5

ADJ

3.3

2.5

1.8

ADJ

3.0

2.5

1.8

ADJ

3.3

2.5

ADJ

ADJ

3.0

2.5

ADJ

ADJ

3.3

1.8

ADJ

ADJ

3.0

1.8

ADJ

ADJ

3.3

ADJ

ADJ

ADJ

3.0

ADJ

ADJ

ADJ

2.5

1.8

ADJ

ADJ

2.5

1.8

ADJ

ADJ

2.5

ADJ

ADJ

ADJ

2.5

ADJ

ADJ

ADJ

1.8

ADJ

ADJ

ADJ

1.8

ADJ

ADJ

ADJ

2.5

1.8

1.5

ADJ

ADJ

ADJ

ADJ

ADJ

SUPPLY

IN6

TOLERANCE (%)

ADJ

5

ADJ

5

ADJ

5

ADJ

5

ADJ

5

ADJ

5

ADJ

5

ADJ

5

ADJ

5

ADJ

5

ADJ

5

ADJ

5

ADJ

5

ADJ

5

ADJ

5

ADJ

5

ADJ

10

ADJ

10

ADJ

10

ADJ

10

ADJ

10

ADJ

10

ADJ

10

ADJ

10

ADJ

10

ADJ

10

ADJ

10

ADJ

10

ADJ

10

ADJ

10

ADJ

10

ADJ

—

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