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PDF LB11820M Data sheet ( Hoja de datos )
| Número de pieza | LB11820M | |
| Descripción | Direct PWM Drive Brushless Pre-Driver for Household Appliance Motors | |
| Fabricantes | Sanyo | |
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Ordering number : ENN7104A
Monolithic Linear IC
LB11820M
Direct PWM Drive Brushless Pre-Driver for
Household Appliance Motors
Overview
The LB11820M is a direct PWM drive pre-driver IC that
is appropriate for 3-phase power brushless motors. This IC
can implement motor driver circuits that provide the
desired output capabilities (voltage and current) by the use
of appropriate discrete transistors in the output circuit. The
LB11820M is optimal for driving the large motors used in
air conditioners and on-demand hot water heaters.
Package Dimensions
unit: mm
3073C-MFP30SD (375mil)
[LB11820M]
Functions and Features
• Three-phase bipolar drive
• Direct PWM drive
• Built-in braking function (Short braking)
• Forward/reverse switching function
• Reverse motion mode protection circuit
• Full complement of protection circuits, include current
limiter, low-voltage protection, and motor constraint
(rotor locking) protection circuits
• Supports control from either a command voltage or a
PWM duty input.
SANYO: MFP30SD(375mil)
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage 1
Maximum supply voltage 2
Maximum supply voltage 3
Symbol
VCC 1 max
VCC 2 max
VCC 3 max
VCC 1
VCC 2
VCC 3
Conditions
Ratings
Unit
14.5
V
14.5
V
20 V
Continued on next page.
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
61202RM (OT) No. 7104-1/17
1 page  
LB11820M
Independent IC
Ambient temperature, Ta — °C
Three-Phase Logic Truth Table (IN = "H" refers to the state where IN+ > IN–.)
F / R = (L)
IN1 IN2 IN3
1H L H
2H L L
3H H L
4L H L
5L H H
6L L H
F / R = (H)
IN1 IN2 IN3
LHL
L HH
L LH
HLH
HL L
HH L
PWM
VH
WH
WH
UH
UH
VH
Output
–
UL
UL
VL
VL
WL
WL
When the OFF mode is selected during reversing at the REVSEL pin, it is necessary to specify the Hall input condition.
With F/R = "L", the condition in which the Hall input is entered in the order from 1 to 6 in the above table is considered the forward rotation and that in the
reverse order is considered reversing.
With F/R = "H", the condition in which the Hall input is entered in the order from 6 to 1 in the above table is considered the forward rotation and that in the
reverse order is considered reversing.
S/S Pin
Input state
High or open
Low
State
Stop
Start
REVSEL Pin
Input state
High or open
Low
BR Pin
Input state
High or open
Low
State
–
Brake
PWIM Pin
Input state
High or open
Low
When S/S and PWMIN pins are not used, set the input to the L level voltage.
When REVSEL and BR pins are not used, set the input to the H level voltage or the open condition.
State
–
Off in reverse
State
Output off
Output on
No. 7104-5/17
5 Page 
LB11820M
Sample Application Circuit
BIP Transistor Drive (upper side PWM) Using a 5 V Power Supply
No. 7104-11/17
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet LB11820M.PDF ] | |
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