Rainbow-electronics MAX6660 Manuel d'utilisateur télécharger pdf (Page 6)

MAX6660

Remote-Junction Temperature-Controlled

Fan-Speed Regulator with SMBus Interface

6 ________________________________________________________________________________________

FAN

TACH IN

VFAN

FAN-SPEED

REGULATOR

MUXDXP

DXN

HIGH

LOW

CONFIGURATION

FAN COUNT DIVISOR

(FC)

FAN SPEED LIMIT

(FS)

FAN GAIN (FG)

FAN

(FT)

FAN CONVERSION

RATE (FCR)

MODE (M)

FAN LIMIT (FL)

FAN-SPEED CONTROL

(FSC)

STATUS

HYST

COMPARAT0R

MAX

THERMAL OPEN/

CLOSED LOOP

FAN OPEN/

CLOSED LOOP

FAN

CONTROL

CIRCUIT

REMOTE DATA

TEMPERATURE

REGISTERS

SMBCLK

SMBDATA

ADD0

ADD1

ADC

CENTRAL

LOGIC

SMBus

INTERFACE

ADDRESS

DECODER

OVERT

ALERT

Figure 1. MAX6660 Block Diagram

1 2 3 4 5 6 7 8 9 10 11 ... 20 21

General Description 1
Applications 1
Features 1
Ordering Information 1
Typical Operating Circuit 1
ABSOLUTE MAXIMUM RATINGS 2
ELECTRICAL CHARACTERISTICS 2
= +3.3V, T 4
Detailed Description 5
Pin Description 5
Thermal Mass and Self-Heating 7
ADC Noise Filtering 7
PC Board Layout 7
Complement) 8
Alarm Threshold Registers 10
Diode Fault Alarm 10
Slave Addresses 12
POR and UVLO 12
(ADD0 and ADD1) 14
Fan Loop 15
Applications Information 19
Chip Information 20
Pin Configuration 20
Package Information 21

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Rainbow-electronics MAX6660 Manuel d'utilisateur Page 6

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