Rainbow-electronics MAX6871 Manuale Utente Scaricare il pdf (Pagina 12)

MAX6870/MAX6871

EEPROM-Programmable Hex/Quad

Power-Supply Sequencers/Supervisors with ADC

12 ______________________________________________________________________________________

ADC

TIMING

SERIAL

INTERFACE

MAX6870

MAX6871

1.25V

REF

IN2 DETECTOR

IN_ DETECTOR

IN1

IN2

IN3

IN4

AUXIN1

AUXIN2

IN5

(N.C.)

IN6

(N.C.)

IN3 DETECTOR

IN4 DETECTOR

IN5 DETECTOR

IN6 DETECTOR

PROGRAMMABLE

ARRAY

TIMING BLOCK 2

TIMING BLOCK 3

TIMING BLOCK 4

TIMING BLOCK 5

TIMING BLOCK 6

TIMING BLOCK 7

TIMING BLOCK 8

PO2 OUTPUT

PO3 OUTPUT

PO4 OUTPUT

PO5 OUTPUT

PO6 OUTPUT

PO7 OUTPUT

PO8 OUTPUT

ADC

REGISTERS

TIMING BLOCK 1

ABP

+ 5V

CHARGE PUMP*

MUX

GPI1

GPI2

GPI3

GPI4

MARGIN

IN3–IN6

(IN3–IN4)

PO_

OUTPUT

*PO1–PO4 ONLY

(PO1, PO2)

ABP

MUX

P1**

10kΩ

PO1

PO2

PO3

PO4

PO5

PO6

(N.C.)

PO7

(N.C.)

PO8

(N.C.)

SDA

SCL

OPEN-

DRAIN

** PO5–PO8 ONLY

(PO3, PO4, PO5)

ADC

MUX

MAIN

OSCILLATOR

IN1

IN2

IN3

IN4

IN5

IN6

AUXIN1

AUXIN2

EEPROM

CHARGE PUMP

CONFIG

REGISTERS

CONFIG

EEPROM

USER

EEPROM

1µF

ABP

DBP

1µF

2.55V

LDO

5.4V

LDO

(VIRTUAL

DIODES)

REFIN

GND

( ) ARE FOR MAX6871 ONLY.

ADC

Functional Diagram

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 50 51

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Rainbow-electronics MAX6871 Manuale Utente Pagina 12

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