SM3501
S
AM
HOP Microelectronics Corp.
FAN CONTROLLER
SM3501 PIN OPTION
PIN 6
PIN 16
FLOATING
TO VDD
TO VSS
Start up by SPEED key 1-2-4 or 1-2-4-8HR, Non-accumulation
Start up by ON / OFF key
1/2-1-2 or 1/2-1-2-4HR, Accumulation
SM3501 POWER SUPPLY APPLICATION CIRCUIT
100K/1W
47 / 0.25W
Ω
1A
VSS/-5.1V
1N4004
47 /1W
Ω
3.3uF/250V
47 / 0.25W
Ω
110V AC INPUT
5.1V
0.5W
220uF
16V
470uF
16V
1N4004
GND
200K / 1W
47 / 0.25W
Ω
Ω
Ω
180
180
/ 1W
/ 1W
1A
VSS/-5.1V
1N4004
1.2uF / 400V
Ω
47 / 0.25W
220V AC INPUT
5.1V
0.5W
220uF
16V
470uF
16V
1N4004
GND
Page 10
V.2.0 Mar 8,2002
SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
