LV8162TT Datasheet, PDF (1/7 Pages) Sanyo Semicon Device – Fan Motor Driver Single-Phase Full-Wave Driver

Ordering number : ENA1978
LV8162TT
Bi-CMOS IC
Fan Motor Driver
Single-Phase Full-Wave Driver
Overview
The LV8162TT is a driver IC for single-phase fan motors that achieves low-noise operation by using BTL linear output
system. As it has a variable speed function in response to the external PWM input signal, it is best suited for driving CPU
cooling fans in notebook PCs and other applications that require low power consumption, low noise, and a variable speed
function.
Functions
• Single-phase full-wave operating by BTL output
• Speed control available by PWM pin
• Hall bias output pin
• Built-in lock protection and automatic return circuit
• Standby mode and quick start function
• Start auxiliary function (50% futy start)
• FG (rotation speed detection) signal pin and RD (lock detection) signal pin
• Built-in thermal-shutdown (TSD) circuit
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Maximum output current
OUT pin output withstand voltage
HB pin maximum output current
PWM pin withstand voltage
FG/RD pin maximum sink current
FG/RD pin output withstand voltage
Allowable dissipation
Operating temperature
Storage temperature
Symbol
VCC max
IOUT max
VOUT max
IHB max
VPWM max
IFG/IRD max
VFG/VRD max
Pd max1
Pd max2
Topr
Tstg
Conditions
Independent IC
With specified substrate *1
*2
Ratings
Unit
7
V
0.7
A
7
V
10
mA
7
V
5
mA
7
V
200
mW
400
mW
-30 to +95
°C
-55 to +150
°C
Continued on next page.
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the performance, characteristics, and functions of the described products in the independent state, and are not
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92111 SY 20110901-S00001 No.A1978-1/8