Selector guide – Rainbow Electronics MAX6645 User Manual
Page 14
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
8
40
40
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
8
30
30
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
8
30
0
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
8
40
40
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.