datasheet for SLA6805MP by Sanken Electric Co., Ltd

datasheet for SLA6805MP by Sanken Electric Co., Ltd
SLA6805MP
High Voltage 3-Phase Motor Driver
Features and Benefits
Description
Built-in pre-drive IC
IGBT power element
CMOS compatible input (5 V)
High-side gate driver using bootstrap circuit or floating
power supply
Built-in protection circuit for controlling power supply
voltage drop
Overcurrent protection circuit (OCP)
Output of fault signal during operation of protection
circuit
Output current 3 A
Small SIP (SLA 23-pin)
Packages: Power SIP
Not to scale
Leadform
2152 (IEC)
Leadform
2151
The SLA6805MP inverter power module (IPM) device provides
a robust, highly-integrated solution for optimally controlling
3-phase motor power inverter systems and variable speed
control systems used in energy-conserving designs to drive
motors of residential and commercial appliances. These ICs
take 230 VAC input voltage, and 3 A (continuous) output
current. They can withstand voltages of up to 600 V (IGBT
breakdown voltage).
The SMA6800MP power package includes an IC with all of the
necessary power elements (six IGBTs), pre-driver ICs (two),
and flyback diodes (six), needed to configure the main circuit
of an inverter. This enables the main circuit of the inverter to
be configured with fewer external components than traditional
designs.
Applications include residential white goods (home
applications) and commercial appliance motor control:
• Air conditioner fan
• Refrigerator compressor
• Dishwasher pump
Leadform 2153
Functional Block Diagram
VB
UV
D ETEC T
High-Side Driver
P U LSE
FILTER
VCC
HV
LEV EL
SHIFT
HIN
R
R
S
HO
Q
HS
P U LS E
U LS
E R
G ENPER
A TO
COM
VCC
LO 1
LIN1
D ELA Y
UV
D ETEC T
Low-Side Driver
LO 2
LIN2
D ELA Y
LO 3
LIN3
D ELA Y
COM
FO (TOTEM POLE)
Figure 1. Driver block diagrams.
28610.02, Rev. 1
BLANK
TIMER
and
HOLD
RC
OCP
VTRIP
RS
SLA6805MP
High Voltage 3-Phase Motor Driver
Selection Guide
Output Current
Part Number
Packing
IGBT Breakdown
Voltage, VCES(min)
(V)
IGBT Saturation
Voltage, VCE(sat)(typ)
(V)
Continuous, IO(max)
(A)
Pulsed, IOP (max)
(A)
SLA6805MP
18 pieces per tube
600
1.75
3
6
Absolute Maximum Ratings, valid at TA = 25°C
Characteristic
Symbol
Remarks
Rating
Unit
IGBT Breakdown Voltage
VCES
VCC = 15 V, IC = 1 mA, VIN = 0 V
600
V
Logic Supply Voltage
VCC
Between VCC and COM
20
V
Bootstrap Voltage
VBS
Output Current, Continuous
Between VB and HS (U,V, and W phases)
20
V
IO
TC = 25°C
3
A
PW ≤ 1 ms, duty cycle = 50%
Output Current, Pulsed
IOP
Input Voltage
VIN
RC Pin Input Voltage
VRC
Between RC and COM; CC ≤ 2200 pF
PD
TC = 25°C, all elements operating
32
W
All elements operating (IGBT)
3.8
°C/W
5.4
°C
–20 to 100
°C
Allowable power dissipation
Thermal resistance (Junction to Case)
R
Case Operating Temperature
TCOP
JC
All elements operating (FWD)
6
A
–0.5 to 7
V
20
V
Junction Temperature (MOSFET)
TJ
150
°C
Storage Temperature
Tstg
–40 to 150
°C
Recommended Operating Conditions
Characteristic
Symbol
Remarks
VBB
Between VBB and LS, IBB ≤ 2 A
Logic Supply Voltage
VCC
Between VCC and COM
Dead Time
tdead
TJ
Main Supply Voltage
Junction Temperature
Min.
Typ.
Max.
Units
–
300
450
V
13.5
–
16.5
V
1.5
–
–
μs
–
–
125
°C
All performance characteristics given are typical values for circuit or
system baseline design only and are at the nominal operating voltage and
an ambient temperature, TA, of 25°C, unless otherwise stated.
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
2
SLA6805MP
High Voltage 3-Phase Motor Driver
Typical Application Diagram
2
3
4
11
10
VB1
5
VB2
VB3
HO1
VCC1
HS1
1
HVIC
HO2
9
8
7
6
HS2
13
M
HIN1
HIN2
HIN3
HO3
COM1
HS3
12
14
23
VCC2
C o n t r o lle r
LO1
LVIC
RC
20
19
18
16
CC
22
21
LIN1
LO2
LIN2
RS
17
LIN3
LO3
RCIN
15
FO
COM2
RS
15V
NOTE:
All of the input pins are connected to GND with internal pull-down resistors rated at 100 kΩ, however, an external pull-down
resistor may be required to secure stable condition of the inputs if high impedance conditions are applied to them.
To use the OCP circuit, an external shunt resistor, RS, is needed. The RS value can be obtained from the formula:
RS(Ω) = 0.5 V / Overcurrent Detection Set Current (A) .
A blanking timer is built-in to mask the noise generated on RS at turn-on.
The external electrolytic capacitors should be placed as close to the IC as possible, in order to avoid malfunctions from
external noise interference. Put a ceramic capacitor in parallel with the electrolytic capacitor if further reduction of noise
susceptibility is necessary.
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
3
SLA6805MP
High Voltage 3-Phase Motor Driver
ELECTRICAL CHARACTERISTICS, valid at TA=25°C, C C ≤ 2200 pF, unless otherwise noted
Characteristics
Logic Supply Voltage
Logic Supply Current
Input Voltage
Input Voltage Hysteresis
Input Current
Symbol
VCC
Units
16.5
V
VCC = 15 V
–
4
6
mA
–
2.0
2.5
V
VCC = 15 V, output off
VIL
1.0
1.5
–
V
VCC = 15 V
–
0.5
–
V
IIH
High side, VCC = 15 V, VIN = 5 V
–
50
100
μA
IIL
Low side, VCC = 15 V, VIN = 0 V
–
–
2
μA
VIhys
VUVHhys
VUVLL
VUVLhys
Overcurrent Protection Hold Time
Max
15
VCC = 15 V, output on
VUVLH
Overcurrent Protection Trip Voltage
Typ
ICC
VUVHL
FO Terminal Output Voltage
Min
13.5
VIH
VUVHH
Undervoltage Lock Out
Conditions
Between VCC and COM
VFOL
VFOH
VTRIP
High side, between VB and U, V, or W
High side, hysteresis
Low side, between VB and U, V, or W
Low side, hysteresis
VCC = 15 V
VCC = 15 V
9.0
10.0
11.0
V
9.5
10.5
11.5
V
–
0.5
–
V
10.0
11.0
12.0
V
10.5
11.5
12.5
V
–
0.5
–
V
0
–
1.0
V
4.0
–
5.5
V
0.45
0.50
0.55
V
tp1
VRC = 15 V, RC = 1 MΩ, CC = 1000 pF
–
260
–
μs
tp2
VRC = 5 V, RC = 330 kΩ, CC = 2200 pF
–
870
–
μs
μs
Blanking Time
tblank
VCC = 15 V
IGBT Breakdown Voltage
VCES
VCC = 15 V, IC = 1 mA, VIN = 0 V
IGBT Leakage Current
ICES
VCC = 15 V, VCE = 600 V, VIN = 0 V
–
2
–
600
–
–
V
–
–
1
mA
IGBT Saturation Voltage
VCE(sat)
VCC = 15 V, IC = 3 A, VIN = 5 V
–
1.75
2.1
V
Diode Forward Voltage
VF
VCC = 15 V, IF = 3 A, VIN = 0 V
–
1.65
2.0
V
trr
IF = 3 A, di / dt = 100 A/μs
Diode Recovery Time
Switching Time, High Side
–
50
–
ns
tdH(on)
–
315
–
ns
trH
–
55
–
ns
tdH(off)
–
455
–
ns
–
175
–
ns
–
430
–
ns
tfH
tdL(on)
Switching Time, Low Side
VBB = 300 V, VCC = 15 V, IC = 3 A, 0 V ≤ VIN ≤ 5 V,
inductive load
trL
–
100
–
ns
tdL(off)
–
410
–
ns
tfL
–
190
–
ns
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
4
SLA6805MP
High Voltage 3-Phase Motor Driver
High Side Driver Input/Output Timing Diagrams
HIN
VUVHH
VB-HS
VUVHL
UVLO
Release
HO
After UVLO is released, IC operation is started by the first rising edge of input
Low Side Driver Input/Output Timing Diagrams
LIN
VUVHH
VUVHL
VCC
UVLO
Release
LO
tblank
VTRIP(H)
RS
tblank
VTRIP(L)
FO
tp = RC × CC × {–ln (1–3.5 / VRC)}
where CC ≤ 2200 pF
tp
RC
Slope by RC,CC
After UVLO is released, IC operation is started by the first rising edge of input
After RC charging and releasing, the OCP operation is started by the first rising edge of input
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
5
SLA6805MP
High Voltage 3-Phase Motor Driver
Pin-out Diagrams
Leadform 2151
Leadform 2153
Pad Side
2
4
6
8
10
12
14
16
18
20
22
1
3
2
1
3
5
7
9
11
13
15
17
19
21
23
17
19
21
23
5
4
7
6
9
8
11
10
13
12
15
14
17
16
19
18
21
20
23
22
Leadform 2152
Pad Side
4
1
10
2
5
7
6
3
9
14
11 12
8
15
13
16
18
20
22
Pad Side
Terminal List Table
Number
1
Name
U
Function
2
VB1
High side bootstrap terminal (U phase)
3
VB2
High side bootstrap terminal (V phase)
4
VB3
High side bootstrap terminal (W phase)
Output of U phase
5
VCC1
High side logic supply voltage
6
COM1
High side logic GND terminal
7
HIN3
High side input terminal (W phase)
8
HIN2
High side input terminal (V phase)
9
HIN1
High side input terminal (U phase)
10
VBB1
Main supply voltage 1 (connect to VBB2 externally)
11
VBB2
Main supply voltage 2 (connect to VBB1 externally)
12
W1
13
V
Output of W phase (connect to W2 externally)
Output of V phase
14
W2
Output of W phase (connect to W1 externally)
15
LS2
Low side emitter terminal (connect to LS1 externally)
16
RCIN
Overcurrent protection hold time adjustment terminal
17
LS1
Low side emitter terminal (connect to LS1 externally)
18
LIN3
Low side input terminal (W phase)
19
LIN2
Low side input terminal (V phase)
20
LIN1
Low side input terminal (U phase)
21
COM2
22
FO
23
VCC2
Low side GND terminal
Overcurrent protection fault-signal output terminal
Low side logic supply voltage
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
6
SLA6805MP
High Voltage 3-Phase Motor Driver
Package Outline Drawing
Leadform 2151
Dual rows, 23 alternating pins; vertical case mounting; pin #1 opposite tab side
Exposed
heatsink pad
31.3 ±0.2
31 ±0.2
24.4 ±0.2
16.4 ±0.2
4.8 ±0.2
0.6
Gate protrusion
1.7 ±0.1
Ø3.2 ±0.15
Ø3.2 ±0.15
Gate protrusion
16 ±0.2 B
2.45 ±0.2
BSC
12.9 ±0.2
9.9 ±0.2
Branding Area
5 ±0.5
9.3 +0.1
– 0.5
View A
1.27 ±0.5 A
0.65 +0.2
– 0.1
1
3
2
5
4
7
6
9
8
11
10
13
12
15
14
17
16
19
18
21
20
R1
REF
+0.2
0.55 – 0.1
4.3
REF
4.5 ±0.7
23
22
0.7 MAX
A
Measured at pin tips
B
To case top
Terminal core material: Cu
Terminal plating: Ni, with Pb-free solder coating
Recommended attachment: Solder dip (Sn-Ag-Cu)
Deflection at pin bend
View A
Dimensions in millimeters
Branding
1st line,
2nd line,
3rd line,
codes (exact appearance at manufacturer discretion):
type: SLA708xMR
protection: P (if present)
lot:
YMDD
Where: Y is the last digit of the year of manufacture
M is the month (1 to 9, O, N, D)
DD is the date
Leadframe plating Pb-free. Device composition
complies with the RoHS directive.
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
7
SLA6805MP
High Voltage 3-Phase Motor Driver
Package Outline Drawing
Leadform 2152
Triple rows (IEC compliant), 23 alternating pins; vertical case mounting; pin #1 on tab side
Exposed
heatsink pad
31.3 ±0.2
31 ±0.2
24.4 ±0.2
16.4 ±0.2
4.8 ±0.2
0.6
Gate protrusion
1.7 ±0.1
Ø3.2 ±0.15
Ø3.2 ±0.15
Gate protrusion
16 ±0.2 B
2.45 ±0.2
BSC
12.9 ±0.2
9.9 ±0.2
Branding Area
5 ±0.5
R1
REF
8.7 +1
– 0.5
0.5 +0.2
– 0.1
View A
1.27 ±0.5 A
0.6 +0.15
– 0.05
6
3
2
1
5
4
8
7
16
13
9
11 12
10
15
18
17
20
19
3.7
REF
3.1 ±0.7
3.1 ±0.7
22
21
23
14
0.7 MAX
A
Measured at pin tips
B
To case top
Leadform: 2152
Terminal core material: Cu
Terminal plating: Ni
Recommended attachment: Solder dip (Sn-Ag-Cu)
Deflection at pin bend
View A
Dimensions in millimeters
Branding codes (exact appearance at manufacturer discretion):
1st line, type: SLA6805MP
2nd line, lot:
YMDDT
Where: Y is the last digit of the year of manufacture
M is the month (1 to 9, O, N, D)
DD is the date
T is the tracking letter
Leadframe plating Pb-free. Device composition
complies with the RoHS directive.
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
8
SLA6805MP
High Voltage 3-Phase Motor Driver
Package Outline Drawing
Leadform 2153
Dual rows, 23 alternating pins; pins bent 90° for horizontal case mounting; pin #1 in outer row
Exposed
heatsink pad
31.3 ±0.2
31 ±0.2
24.4 ±0.2
16.4 ±0.2
4.8 ±0.2
0.6
Gate protrusion
1.7 ±0.1
Ø3.2 ±0.15
Ø3.2 ±0.15
Gate protrusion
2.45 ±0.2
BSC
16 ±0.2 B
12.9 ±0.2
9.9 ±0.2
Branding Area
3 ±0.5
BSC
2.2 ±0.7
BSC
R1
REF
4.4
REF
0.6 ±0.1
View A
1.27 ±0.1 A
2.2 ±0.7
BSC
0.5 ±0.1
1 2 3
5
7
9
11
13
15
17
19
21
23
16
4
6
18
8
12
14
20
10
22
0.7 MAX
A
Measured at pin exit from case
B
To case top
Leadform: 2153
Terminal core material: Cu
Terminal plating: Ni
Recommended attachment: Solder dip (Sn-Ag-Cu)
Deflection at pin bend
View A
Dimensions in millimeters
Branding codes (exact appearance at manufacturer discretion):
1st line, type: SLA6805MP
2nd line, lot:
YMDDT
Where: Y is the last digit of the year of manufacture
M is the month (1 to 9, O, N, D)
DD is the date
T is the tracking letter
Leadframe plating Pb-free. Device composition
complies with the RoHS directive.
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
9
SLA6805MP
High Voltage 3-Phase Motor Driver
Packing Specification
Leadforms 2151 and 2152
Dimensions in millimeters
31.2
580
Tube material: PVC
Maximum 18 pieces per tube
(pins aligned along X direction)
Rubber plug each end
13.8
X
137
621
186
Z
Maximum 12 tubes in Y direction
Maximum 3 tubes in Z direction
Y
Maximum pieces per carton:
18 pieces per tube
12 tubes per layer
x 3 layers of tubes
648 pieces per carton
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
10
SLA6805MP
High Voltage 3-Phase Motor Driver
Packing Specification
Leadform 2153
Dimensions in millimeters
310
580
158
X
Tube material: PVC
Maximum 18 pieces per tube
(pins aligned along X direction)
Rubber plug each end
130
610
185
Z
Maximum 12 tubes in Y direction
Maximum 12 tubes in Z direction
Y
Maximum pieces per carton:
18 pieces per tube
10 tubes per layer
x 3 layers of tubes
540 pieces per carton
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
11
SLA6805MP
High Voltage 3-Phase Motor Driver
WARNING — These devices are designed to be operated at lethal voltages and energy levels. Circuit designs
that embody these components must conform with applicable safety requirements. Precautions must be
taken to prevent accidental contact with power-line potentials. Do not connect grounded test equipment.
The use of an isolation transformer is recommended during circuit development and breadboarding.
Because reliability can be affected adversely by improper storage
environments and handling methods, please observe the following
cautions.
Cautions for Storage
•
Ensure that storage conditions comply with the standard
temperature (5°C to 35°C) and the standard relative humidity
(around 40 to 75%); avoid storage locations that experience
extreme changes in temperature or humidity.
•
Avoid locations where dust or harmful gases are present and
avoid direct sunlight.
•
Reinspect for rust on leads and solderability of products that have
been stored for a long time.
Cautions for Testing and Handling
When tests are carried out during inspection testing and other
standard test periods, protect the products from power surges
from the testing device, shorts between adjacent products, and
shorts to the heatsink.
Remarks About Using Silicone Grease with a Heatsink
• When silicone grease is used in mounting this product on a
heatsink, it shall be applied evenly and thinly. If more silicone
grease than required is applied, it may produce stress.
• Volatile-type silicone greases may permeate the product and
produce cracks after long periods of time, resulting in reduced
heat radiation effect, and possibly shortening the lifetime of the
product.
• Our recommended silicone greases for heat radiation purposes,
which will not cause any adverse effect on the product life, are
indicated below:
Type
Suppliers
G746
Shin-Etsu Chemical Co., Ltd.
YG6260
Momentive Performance Materials, Inc.
SC102
Dow Corning Toray Silicone Co., Ltd.
Heatsink Mounting Method
Torque When Tightening Mounting Screws. The recommended tightening
torque for this product package type is: 58.8 to 78.4 N• cm (6.0 to
8.0 kgf• cm).
Soldering
•
When soldering the products, please be sure to minimize the
working time, within the following limits:
260±5°C 10 s
380±5°C
•
5s
Soldering iron should be at a distance of at least 1.5 mm from the
body of the products
Electrostatic Discharge
•
When handling the products, operator must be grounded.
Grounded wrist straps worn should have at least 1 MΩ of
resistance to ground to prevent shock hazard.
•
Workbenches where the products are handled should be
grounded and be provided with conductive table and floor mats.
•
When using measuring equipment such as a curve tracer, the
equipment should be grounded.
•
When soldering the products, the head of soldering irons or the
solder bath must be grounded in other to prevent leak voltages
generated by them from being applied to the products.
•
The products should always be stored and transported in our
shipping containers or conductive containers, or be wrapped in
aluminum foil.
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
12
SLA6805MP
High Voltage 3-Phase Motor Driver
The products described herein are manufactured in Japan by Sanken Electric Co., Ltd. for sale by Allegro MicroSystems, Inc.
Sanken and Allegro reserve the right to make, from time to time, such departures from the detail specifications as may be required to permit improvements in the performance, reliability, or manufacturability of its products. Therefore, the user is cautioned to verify that the information in this
publication is current before placing any order.
When using the products described herein, the applicability and suitability of such products for the intended purpose shall be reviewed at the users
responsibility.
Although Sanken undertakes to enhance the quality and reliability of its products, the occurrence of failure and defect of semiconductor products
at a certain rate is inevitable.
Users of Sanken products are requested to take, at their own risk, preventative measures including safety design of the equipment or systems
against any possible injury, death, fires or damages to society due to device failure or malfunction.
Sanken products listed in this publication are designed and intended for use as components in general-purpose electronic equipment or apparatus
(home appliances, office equipment, telecommunication equipment, measuring equipment, etc.). Their use in any application requiring radiation
hardness assurance (e.g., aerospace equipment) is not supported.
When considering the use of Sanken products in applications where higher reliability is required (transportation equipment and its control systems
or equipment, fire- or burglar-alarm systems, various safety devices, etc.), contact a company sales representative to discuss and obtain written
confirmation of your specifications.
The use of Sanken products without the written consent of Sanken in applications where extremely high reliability is required (aerospace equipment, nuclear power-control stations, life-support systems, etc.) is strictly prohibited.
The information included herein is believed to be accurate and reliable. Application and operation examples described in this publication are
given for reference only and Sanken and Allegro assume no responsibility for any infringement of industrial property rights, intellectual property
rights, or any other rights of Sanken or Allegro or any third party that may result from its use.
Copyright © 2008 Allegro MicroSystems, Inc.
This datasheet is based on Sanken datasheet SSJ-03405.
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
13
SLA6805MP
High Voltage 3-Phase Motor Driver
Worldwide Contacts
Asia-Pacific
China
Sanken Electric Hong Kong Co., Ltd.
Suite 1026, Ocean Centre
Canton Road, Tsimshatsui
Kowloon, Hong Kong
Tel: 852-2735-5262, Fax: 852-2735-5494
Sanken Electric (Shanghai) Co., Ltd.
Room 3202, Maxdo Centre
Xingyi Road 8, Changning District
Shanghai, China
Tel: 86-21-5208-1177, Fax: 86-21-5208-1757
Taiwan Sanken Electric Co., Ltd.
Room 1801, 18th Floor
88 Jung Shiau East Road, Sec. 2
Taipei 100, Taiwan R.O.C.
Tel: 886-2-2356-8161, Fax: 886-2-2356-8261
Japan
Sanken Electric Co., Ltd.
Overseas Sales Headquarters
Metropolitan Plaza Building
1-11-1 Nishi-Ikebukuro, Toshima-ku
Tokyo 171-0021, Japan
Tel: 81-3-3986-6164, Fax: 81-3-3986-8637
Singapore
Sanken Electric Singapore Pte. Ltd.
150 Beach Road, #14-03 The Gateway West
Singapore 189720
Tel: 65-6291-4755, Fax: 65-6297-1744
Europe
Sanken Power Systems (UK) Limited
Pencoed Technology Park
Pencoed, Bridgend CF35 5HY, United Kingdom
Tel: 44-1656-869-100, Fax: 44-1656-869-162
North America
United States
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01606, U.S.A.
Tel: 1-508-853-5000, Fax: 1-508-853-7895
Allegro MicroSystems, Inc.
14 Hughes Street, Suite B105
Irvine, California 92618, U.S.A.
Tel: 1-949-460-2003, Fax: 1-949-460-7837
Korea
Sanken Electric Korea Co., Ltd.
Samsung Life Yeouido Building 16F
23-10, Yeouido-Dong, Yeongdeungpo-gu
Seoul 150-734, Korea
Tel: 82-2-714-3700, Fax: 82-2-3272-2145
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
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