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PDF LB1867M Data sheet ( Hoja de datos )
| Número de pieza | LB1867M | |
| Descripción | Fan Motor Driver | |
| Fabricantes | ON Semiconductor | |
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Hay una vista previa y un enlace de descarga de LB1867M (archivo pdf) en la parte inferior de esta página. Total 5 Páginas | ||
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Ordering number : EN6204A
LB1867M
Monolithic Digital IC
2-phase Brushless
Fan Motor Driver
http://onsemi.com
Overview
The LB1867M is a 2-phase unipolar brushless motor driver. With only a few peripheral parts, lockup protection and
automatic recovery can be implemented. The IC can be configured for 12V or 24V operation and a wide range of
variations, from Low speed to H-High speed and from 60cm to 120cm square using the same PCB. This makes it easy
to design highly reliable fan motor installations.
Features
• Output protection Zener diode with variable withstand voltage
Z1, Z2 pins open: VOLM = 57V (24V specification)
Z1, Z2 pins shorted: VOLM = 32V (12V specification)
External Zener diode connected across Z1 − VCC pins: support for fans with large drive current
• External resistor allows configuration for 12V or 24V
• Direct Hall element connection possible (built-in Hall amplifier with hysteresis supports core without auxiliary electrode)
• Built-in output transistor with 1.0A output current (strengthened negative-current support for core without auxiliary
electrode)
• Built-in rotation detection function: Low during rotation and High during stop
• Built-in lockup protection with automatic recovery
• Built-in thermal shutdown
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Maximum input current
Maximum applied output voltage
Maximum output current
Maximum current flowing into RD pin
Maximum RD applied voltage
Allowable power dissipation
ICC max
VOUT max
IOUT max
IRD max
VRD max
Pd max
t ≤ 20ms
Mounted on a specified board *
Operating temperature
Topr
Storage temperature
Tstg
* Specified board: 20mm × 15mm × 1.5mm, glass epoxy board.
Ratings
200
Internal
1.0
10
30
800
-30 to +80
-55 to +150
Unit
mA
V
A
mA
V
mW
°C
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
Semiconductor Components Industries, LLC, 2013
May, 2013
31109 MS 20080221-S00008 / 83100RM(KI) No.6204-1/5
1 page  
(2) 24V supply voltage
VCC
24V
1.2kΩ
LB1867M
2kΩ
H
14 13 12 11 10
9
8
VIN RD Z2 Z1 OUT2 NC NC
LB1867M
IN− IN+ CT NC OUT1 NC GND
1234567
0.47μF
(3) High-Power Fan (120mm-HH-Speed)
VCC
12V
(24V)
330Ω
(1.2kΩ)
VZ=12V
(24V)
14 13 12 11 10
9
8
2kΩ VIN RD Z2 Z1 OUT2 NC NC
LB1867M
IN− IN+ CT NC OUT1 NC GND
1234567
H 0.47μF
ON Semiconductor and the ON logo are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC owns the rights to a number
of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of SCILLC’s product/patent coverage may be accessed at
www.onsemi.com/site/pdf/Patent-Marking.pdf. SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no
warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the
application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental
damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual
performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical
experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use
as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in
which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for
any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors
harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or
death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the
part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PS No.6204-5/5
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet LB1867M.PDF ] | |
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