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LB11867FV 데이터시트 PDF




ON Semiconductor에서 제조한 전자 부품 LB11867FV은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 LB11867FV 기능
기능 Variable Speed Single-phase Full-wave Pre-driver
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LB11867FV 데이터시트, 핀배열, 회로
LB11867FV
Monolithic Digital IC
For Fan Motor
Variable Speed Single-phase
Full-wave Pre-driver
www.onsemi.com
Overview
LB11867FV is a single-phase bipolar driving motor pre-driver with the
variable speed function compatible with external PWM signal. With a few
external parts, a highly-efficient and highly-silent variable drive fan motor
with low power consumption can be achieved. This product is best suited
for driving of the server requiring large air flow and large current and the
fan motor of consumer appliances.
Feature
Single-phase full-wave driving pre-driver
SSOP16 (225mil)
Low-saturation drive using external PMOS-NMOS enables
high-efficiency low power-consumption drive.
Variable speed control possible with external PWM input
Separately-excited upper direct PWM (f =30kHz) control method ensures highly silent speed control.
Current limiting circuit incorporated
Chopper type current limiting made at startup and during lock.
Reactive current cut circuit incorporated
Reactive current before phase changeover is cut, ensuring highly silent and low power-consumption drive.
Minimum speed setting pin
Minimum speed can be set by setting the resistance.
Soft start setting pin
Lock protection and automatic reset circuits incorporated
FG (rotation speed detection) output
Thermal shutdown circuit incorporated
Typical Applications
Computing & Peripherals
Industrial
Server
Vending Machine
ORDERING INFORMATION
See detailed ordering and shipping information on page 11 of this data sheet.
© Semiconductor Components Industries, LLC, 2015
June 2015 - Rev. 1
1
Publication Order Number :
LB11867FV/D




LB11867FV pdf, 반도체, 판매, 대치품
Package Dimensions
unit : mm
SSOP16 (225mil)
CASE 565AM
ISSUE A
LB11867FV
SOLDERING FOOTPRINT*
5.80
1.0 (Unit: mm)
0.32
0.65
NOTE: The measurements are not to guarantee but for reference only.
*For additional information on our PbFree strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
GENERIC
MARKING DIAGRAM*
XXXXXXXXXX
YMDDD
XXXXX = Specific Device Code
Y = Year
M = Month
DDD = Additional Traceability Data
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LB11867FV 전자부품, 판매, 대치품
LB11867FV
Application Circuit Example (12V)
1μF to /25V *3
Rp=1kΩ
13
2
100Ω
4
1μF to /25V *2
PWM-IN
RF
RFG=10k
to 100kΩ
VCC
5VREG
FG *9
SENSE *8
H *4 IN-
IN+
*11 S-S
*6 RMI
1
2
3
4
SGND *1
*7 VTH
CPWM
CP=220pF *5
30kHz
CT
*10 CT=0.47μF
*1. PowerGND wiring
SGND is connected to the control circuit power supply system.
*2. Power stabilization capacitor
For the power stabilization capacitor on the signal side, use the capacitance of 1μF or more.
Connect VCC and GND with a thick and shortest pattern.
*3. Power stabilization capacitor on the power side
For the power stabilization capacitor on the power side, use the capacitance of 1μF or more.
Connect the power supply on the power side and GND with a thick and shortest pattern.
*4. IN+, IN- pins
Hall signal input pin.
Wiring should be short to prevent carrying of noise.
If noise is carried, insert the capacitor between IN+ and IN- pins.
The Hall input circuit functions as a comparator with hysteresis (15mV).
This also has a soft switch section with 30mV (input signal differential voltage).
It is also recommended that the Hall input level is minimum 100mV(p-p).
*5. CPWM pin
Pin to connect the capacitor for generation of the PWM basic frequency
The use of CP = 220pF causes oscillation at f = 30kHz, which is the basic frequency of PWM.
As this is used also for the current limiting canceling signal, be sure to connect the capacitor even when the speed
control is not made.
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