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Sanyo Electric Components Datasheet

LV8804V Datasheet

PC and Server Fan Motor Driver

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Ordering number : ENA1407
LV8804V
Bi-CMOS LSI
PC and Server
Fan Motor Driver
Overview
The LV8804V is a motor driver for PC and server fans.
Feature
Direct PWM 3-phase sensorless motor driver
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
VCC maximum supply voltage
VG maximum supply voltage
OUT pin maximum output current
SOFTST pin withstand voltage
FR pin withstand voltage
CTL pin withstand voltage
MINSP pin withstand voltage
FG output pin withstand voltage
FG pin maximum output current
1/2FG output pin withstand voltage
1/2FG pin maximum output current
RD output pin withstand voltage
www.DataRSDhpeientm4Uax.cimoumm output current
Allowable Power dissipation 1
Allowable Power dissipation 2
Operating temperature
Storage temperature
Symbol
VCC max
VG max
IOUT max
VSOFTST max
VFR max
VCTL max
VMINSP max
VFG max
IFG max
V1/2FG max
I1/2FG max
VRD max
IRD max
Pd max1
Pd max2
Topr
Tstg
Conditions
UO, VO, and WO pins
Independent IC
Mounted on designated board *
* : When mounted on the designated 76.1mm × 114.3mm × 1.6mm, glass epoxy board (single-layer)
Ratings
16
21
1.2
6
6
6
6
16
5
16
5
16
5
0.6
1.3
-40 to +85
-55 to +150
Unit
V
V
A
V
V
V
V
V
mA
V
mA
V
mA
W
W
°C
°C
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
33009 MS PC 20090114-S00008 No.A1407-1/10


Sanyo Electric Components Datasheet

LV8804V Datasheet

PC and Server Fan Motor Driver

No Preview Available !

LV8804V
Allowable Operating Conditions at Ta = 25°C
Parameter
VCC supply voltage
SOFTST input voltage range
FR input voltage range
CTL input voltage range
MINSP input voltage range
Symbol
VCC
VSOFTST
VFR
VCTL
VMINSP
Conditions
Ratings
6 to 15
0 to VREG
0 to VREG
0 to VREG
0 to VREG
Unit
V
V
V
V
V
Electrical Characteristics at Ta = 25°C, VCC = 12V, unless otherwise specified
Parameter
Symbol
Conditions
Ratings
Unit
min typ max
Circuit current 1
Charge pump block
ICC1
3 4 mA
Charge pump output voltage
Regulator block
VVG
17 V
5V regulator voltage
Output on resistance
VVREG
4.75
5 5.25 V
High-side output transistor on resistance
Low-side output transistor on resistance
Sum of high-/low-side output transistor on
resistance
Startup oscillator (OSC) pin
Ron (H)
Ron (L)
Ron (H+L)
IO = 0.7A, VG = 17V
IO = 0.7A, VCC = 12V
IO = 0.7A, VCC = 12V, VG = 17V
0.6 1.0
0.6 1.0
1.2 2
OSC pin charge current
OSC pin discharge current
Control voltage input (CTL) pin
IOSCC
IOSCD
-2.5 µA
2.5 µA
Motor drive on voltage input range
Motor drive off voltage input range
Minimum speed setting pin
VCTLON
VCTLOFF
0 3V
3.5
VREG
V
Minimum speed setting voltage input range
Minimum speed releasing voltage input range
Forward/reverse switching pin
VMINSP1
VMINSP2
1 3V
4
VREG
V
High-level input voltage range
Low-level input voltage range
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FG, 1/2FG, and RD output pins
VFRH
VFRL
Order of current application :
UOUTVOUTWOUT
Order of current application :
UOUTWOUTVOUT
4
VREG
V
0 1V
FG output pin low-level voltage
1/2FG output pin low-level voltage
RD output pin low-level voltage
Current limiter circuit
VFG
V1/2FG
VRD
When IO is 2mA
When IO is 2mA
When IO is 2mA
0.25 0.35 V
0.25 0.35 V
0.25 0.35 V
Limiter voltage
Constraint protection circuit
VRF
Limit current set to 1A when RF is 0.25.
0.225
0.25 0.275 V
CT pin high-level voltage
CT pin low-level voltage
CT pin charge current
CT pin discharge current
ICT charge/discharge ratio
Soft start circuit
VCTH
VCTL
ICTC
ICTD
RCT
2.25
0.43
-2.9
0.23
7
2.8
0.5
-2.5
0.25
10
2.95 V
0.65 V
-2.2 µA
0.32 µA
13
Soft start releasing voltage
SOFTST pin charge current
Thermal protection circuit
VSOFTST
ISOFTST
2.5 V
0.6 µA
Thermal protection circuit operating
TSD
Design target *
150 180 210 °C
temperature
* : Design target value and no measurement is made. The thermal protection circuit is incorporated to protect the IC from burnout or thermal destruction. Since
it operates outside the IC's guaranteed operating range, the customer's thermal design should be performed so that the thermal protection circuit will not be
activated when the fan is running under normal operating conditions.
No.A1407-2/10


Part Number LV8804V
Description PC and Server Fan Motor Driver
Maker Sanyo Semicon Device
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LV8804V Datasheet PDF






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