W83391TS Datasheet, PDF (4/9 Pages) Winbond – DC Fan Pre-Driver

W83391TS/TG
1. FEATURES
y Provide up to 24V gate voltage for external N-channel MOSFET driving
y Pairing with Winbond all new series Super IO and Hardware Monitoring IC for DC Fan voltage
regulation
y External resistors for output voltage scale adjustment
y W83391TS/TG provides 3 channels Fan control.
2. PIN CONFIGURATION AND DESCRIPTION
FAN1 IN ₁
FAN2_IN ₂
VCC12 3
C1 4
C2 5
CHRPMP 6
GND 7
W83391TS/TG
14 ^{FAN1 DRV}
13 ^{FAN1 SEN}
12 ^FAN2_DRV
11 ^FAN2_SEN
10 ^FAN3_DRV
9 ^FAN3_SEN
8 ^FAN3_IN
PIN
SYMBOL
FUNCTION
1
FAN1_IN
DC FAN1 Voltage Input Ranging from 0V~8V.
2
FAN2_IN
DC FAN2 Voltage Input Ranging from 0V~8V.
3
VCC12
12Vcc input.
4
C1
5
C2
Charge Pump Pins. It insures output voltage achieve to 24V.
6
CHRPMP
7
GND
Power Ground.
8
FAN3_IN
DC FAN3 Voltage Input Ranging from 0V~8V.
9
FAN3_SEN
Voltage Sensing Pin for 3^rd Fan Voltage Regulation.
10
FAN3_DRV
Voltage Driving Pin for 3^rd Fan Voltage Regulation.
11
FAN2_SEN
Voltage Sensing Pin for 2^nd Fan Voltage Regulation.
12
FAN2_DRV
Voltage Driving Pin for 2^nd Fan Voltage Regulation.
13
FAN1_SEN
Voltage Sensing Pin for 1^st Fan Voltage Regulation.
14
FAN1_DRV
Voltage Driving Pin for 1^st Fan Voltage Regulation.
Publication Date: January 27, 2006
-1-
Revision 0.53