LV8804V Sanyo Semiconductor Corporation, LV8804V Datasheet - Page 2

• Manufacturer Part Number: LV8804V
• Description: PC and Server Fan Motor Driver
• Manufacturer: Sanyo Semiconductor Corporation

Allowable Operating Conditions at Ta = 25°C
Electrical Characteristics at Ta = 25°C, V CC = 12V, unless otherwise specified
* : Design target value and no measurement is made. The thermal protection circuit is incorporated to protect the IC from burnout or thermal destruction. Since
V CC supply voltage
SOFTST input voltage range
FR input voltage range
CTL input voltage range
MINSP input voltage range
Circuit current 1
Charge pump block
Charge pump output voltage
Regulator block
5V regulator voltage
Output on resistance
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
OSC pin charge current
OSC pin discharge current
Control voltage input (CTL) pin
Motor drive on voltage input range
Motor drive off voltage input range
Minimum speed setting pin
Minimum speed setting voltage input range
Minimum speed releasing voltage input range
Forward/reverse switching pin
High-level input voltage range
Low-level input voltage range
FG, 1/2FG, and RD output pins
FG output pin low-level voltage
1/2FG output pin low-level voltage
RD output pin low-level voltage
Current limiter circuit
Limiter voltage
Constraint protection circuit
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
Soft start releasing voltage
SOFTST pin charge current
Thermal protection circuit
Thermal protection circuit operating
temperature
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.
Parameter
Parameter
V CC
V SOFTST
V FR
V CTL
V MINSP
I CC 1
V VG
V VREG
Ron (H)
Ron (L)
Ron (H+L)
I OSC C
I OSC D
V CTL ON
V CTL OFF
V MINSP 1
V MINSP 2
V FR H
V FR L
V FG
V 1/2FG
V RD
V RF
V CT H
V CT L
I CT C
I CT D
R CT
V SOFTST
I SOFTST
TSD
Symbol
Symbol
I O = 0.7A, VG = 17V
I O = 0.7A, V CC = 12V
I O = 0.7A, V CC = 12V, VG = 17V
Order of current application :
UOUT→VOUT→WOUT
Order of current application :
UOUT→WOUT→VOUT
When I O is 2mA
When I O is 2mA
When I O is 2mA
Limit current set to 1A when RF is 0.25Ω.
Design target *
LV8804V
Conditions
Conditions
0.225
min
4.75
2.25
0.43
0.23
-2.9
150
3.5
0
1
4
4
0
7
Ratings
Ratings
typ
0.25
0.25
0.25
0.25
0.25
-2.5
-2.5
180
0.6
0.6
1.2
2.5
2.8
0.5
2.5
0.6
17
10
5
3
0 to VREG
0 to VREG
0 to VREG
0 to VREG
6 to 15
VREG
VREG
VREG
max
0.275
No.A1407-2/10
5.25
0.35
0.35
0.35
2.95
0.65
0.32
-2.2
210
1.0
1.0
13
4
2
3
3
1
Unit
Unit
mA
µA
µA
µA
µA
µA
°C
Ω
Ω
Ω
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V