Rainbow-electronics MAX6645 Manual de usuario Pagina 14

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MAX6643/MAX6644/MAX6645
Automatic PWM Fan-Speed Controllers with
Overtemperature Output
14 ______________________________________________________________________________________
PART
PACKAGE-PINS
STARTUP
DELAY (s)
SPIN-UP
TIME (s)
START DUTY
CYCLE (%)
MINIMUM DUTY
CYCLE (%)
CHANNELS
TL (°C)
TH (°C)
OT (°C)
FULLSPD
POLARITY
FAN_IN1
FAN_IN2
MAX6643
LBFAEE
QSOP-16 0.5
84040
Remote,
local
15 to
55
20 to
60
60 to
100
FULLSPD Tach/off
Tach/off
MAX6643
LAFAEE*
QSOP-16 2.5 2.5
40 40
Remote,
local
15 to
55
20 to
60
60 to
100
FULLSPD Tach/off
Tach/off
MAX6643
LBBAEE
QSOP-16 0.5
83030
Remote,
local
15 to
55
20 to
60
60 to
100
FULLSPD Tach/off
Tach/off
MAX6643
LABAEE*
QSOP-16 2.5 2.5
30 30
Remote,
local
15 to
55
20 to
60
60 to
100
FULLSPD Tach/off
Tach/off
MAX6643H
AFAEE*
QSOP-16 2.5 2.5
40 40
Remote,
local
35 to
75
40 to
80
80 to
120
FULLSPD Tach/off
Tach/off
MAX6644
LBAAEE
QSOP-16 0.5
8300
Remote,
remote
15 to
55
20 to
60
60 to
100
Locked
r otor /tach/
cur r ent
sense
Locked
r otor /tach/
cur r ent
sense
MAX6644H
AFAEE*
QSOP-16 2.5 2.5
40 40
Remote,
remote
35 to
75
40 to
80
80 to
120
Locked
r otor /tach/
cur r ent
sense
Locked
r otor /tach/
cur r ent
sense
M AX 6645
AAFAU B*, **
µMAX-10 0.5
84040
Remote,
remote
45 50 75
Locked
r otor /tach/
cur r ent
sense
Locked
r otor /tach/
cur r ent
sense
MAX6645
BAFAUB**
µMAX-10
2.5 2.5
40 40
Remote,
remote
55 65
120
Locked
r otor /tach/
cur r ent
sense
Locked
r otor /tach/
cur r ent
sense
Selector Guide
*Future product—contact factory for availability.
**The MAX6645xxxxxx can be ordered with any combination of TL, TH, and OT trip threshold (in 5°C increments) by contacting the factory.
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