LV11961HA Datasheet, PDF (1/14 Pages) ON Semiconductor – Single-phase FAN Motor Driver

LV11961HA
Bi-CMOS LSI
Single-phase FAN Motor Driver
www.onsemi.com
Overview
LV11961HA is a driver IC for single-phase fan motor that easily
implements direct PWM motor drive system with excellent efficiency.
LV11961HA is optimal for fan motor drive in personal computer power
supply systems and CPU cooling systems.
Feature
 Single-phase full wave drive (built-in power FETs)
 Speed control function by DC voltage input to VTH pin
 Minimum speed adjustment by fixed voltage input to RMI pin
 Soft start-up function by SFS pin
 Regulated voltage output pin for Hall bias
 Built-in lock protector and auto recovery circuit
 FG signal output pin, RD signal output pin
 Built-in TSD (Thermal shutdown) circuit
Typical Applications
 Fan motor units
 Note PCs , Desk top PCs
 Projectors
HSSOP14 (225mil)
Specifications
Absolute Maximum Ratings at Ta = 25C
Parameter
Symbol
Conditions
Power supply voltage
VCCmax
Output pin current
IOUTmax
Output pin peak current
IOpeak max
Duty ≤ 10%
Output pin with stand voltage
VOUTmax
REG output maximum current
IREGmax
HB output maximum current
IHBmax
VTH pin voltage
VTHmax
FG/RG output pin voltage
VFG/VRDmax
FG/RG pin sink current
IFG/IRDmax
Allowable power dissipation
Pdmax
Mounted on specified board *1
Operating temperature
Topr
*2
Storage temperature
Tstg
Ratings
Unit
18
V
1.0
A
1.2
A
18
V
10
mA
10
mA
4
V
18
V
10
mA
1.1
W
–40 to +95
C
–55 to +150
C
*1 Specified board: 114.3mm x 76.1mm x 1.6mm, glass epoxy board
*2 Do not exceed Tjmax=150C
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed,
damage may occur and reliability may be affected.
ORDERING INFORMATION
See detailed ordering and shipping information on page 14 of this data sheet.
© Semiconductor Components Industries, LLC, 2014
1
November 2015 - Rev. 2
Publication Order Number :
LA11961HA/D