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PDF LB11683H Data sheet ( Hoja de datos )
| Número de pieza | LB11683H | |
| Descripción | Three-Phase Sensorless Motor Driver | |
| Fabricantes | Sanyo Semicon Device | |
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Ordering number : ENA0954
LB11683H Monolithic Digital IC
Three-Phase Sensorless Motor Driver
Overview
The LB11683H is a three-phase full-wave current-linear-drive motor driver IC. It adopts a sensorless control system
without the use of a Hall effect device. For quieter operation, the LB11683H features a current soft switching circuit and
is optimal for driving the cooling fan motors used in refrigerators, etc.
Functions
• Current linear drive
• Built-in current limiter circuit
• Output stage oversaturation prevention circuit
• Coil counter-electromotive FG output
• Built-in thermal shutdown circuit
• Beat lock prevention circuit
• Lock protection circuit
• Lock detection output
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Supply voltage
Output applied voltage
Input applied voltage
Output current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
VO max
VI max
IO max
Pd max1
Pd max2
Topr
Tstg
Conditions
Independent IC
Mounted on a board *
* Specified board: 114.3mm ×76.1mm ×1.6mm, glass epoxy board.
Ratings
14.5
14.5
-0.3 to VCC+0.3
1.5
0.8
1.85
-30 to +85
-55 to +150
Unit
V
V
V
A
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.
91907 MS PC B8-8741 No. A0954-1/7
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
LB11683H
Pin Functions
Pin
Symbol
No.
Description
1
UOUT
3-phase motor driver output
28 VOUT
27 WOUT
3 RF Minimum potential of 3-phase motor driver
output transistor.
Constant current control is made through
detection of this voltage. The current limiter
also functions by detecting this potential.
22
VCC
Power supply
26
MCOM
Motor coil neutral point input pin.
The coil voltage waveform is detected with
reference to this voltage.
21 UIN Coil waveform detection comparator input pin.
This pin is connected to each phase output
through the internal 10kΩ resistor.
20 VIN
Pin Voltage
8 to 13.8V
Equivalent Circuit
3.9kΩ
30kΩ
3.9kΩ
30kΩ
3
20µA
10kΩ
1 21
27 20
28 19
VCC
VCC
1 28 27
21
20
19 200Ω
200Ω
26
200Ω
19 WIN
18 C1 Triangular wave generating capacitor
connection pin.
This triangular wave performs soft-switching of
the coil output waveforms.
17 C2
15µA 15µA
VCC
18 5µA
17
1kΩ
VREG
16 CX In the VCO circuit, the operation frequency
range and minimum operation frequency are
determined by means of the capacitor value
connected this pin and ground.
2S 1/2VREG-VF
VCC
300Ω
VREG
100µA
15
VCOIN
VCO circuit voltage input pin.
The PCOUT pin voltage is input via CR filter.
16
VCC
VREG
10kΩ
1.75V
15
50kΩ
50µA 50µA
Continued on next page.
No. A0954-5/7
Datasheet pdf - http://www.DataSheet4U.net/
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet LB11683H.PDF ] | |
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