Datasheet

LTC3600
22
3600fc
Programmable 1.5A Current Source
Typical applicaTions
12V Fan Speed Controller
50µA
10µF
0.1µF
0.1Ω
22µF
2.2µH
V
IN
ISET
RUN
BOOST
SW
LTC3600
PWM
CONTROL
AND
SWITCH
DRIVER
8
5
7
9
1
11
V
OUT
0k TO 3k
12V
1µF
INTV
CC
RT PGFB ITH PGOOD
MODE/
SYNC
6 10 3 4 2 12
3600 TA07
I
OUT
=
0A TO 1.5A
GND
13
–
+
ERROR
AMP
50µA
10µF
100k
15V
0.1µF
2.2µH
V
IN
V
IN
INTV
CC
49.9k
16.2k
12V
DC FAN
V
+
ISET
RUN
BOOST
SW
LTC3600
PWM
CONTROL
AND
SWITCH
DRIVER
22µF
1µF
INTV
CC
RT PGFB ITH PGOOD
6.04k
100k
MODE/
SYNC
3600 TA08
ALARM:
LOGIC 1
IF TEMP
> 85°C
*10k NTC THERMISTOR
MURATA NCP18XH103F03RB
–
+
80.6k
*
8
5
7
9
1
11
V
OUT
6 10 3 4 2 12
LT1784
GND
13
113k
–
+
ERROR
AMP