VRP3-90EXA0 [BEL]
NON-ISOLATED DC/DC CONVERTERS; 非隔离式DC / DC转换器
| 型号： | VRP3-90EXA0 |
| 厂家： | 
BEL FUSE INC. |
| 描述： | NON-ISOLATED DC/DC CONVERTERS |
| 文件： | 总14页 (文件大小：339K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
NON-ISOLATED DC/DC CONVERTERS
6.5 Vdc - 13.2 Vdc Input, 1.2 Vdc - 2.1 Vdc Output
Aug. 12, 2010
Bel Power Inc., a subsidiary of Bel Fuse Inc.
VRP3-90ExA0
Features
RoHS Compliant
Rev.G
•
•
•
•
•
•
•
Non-Isolated
•
•
•
•
•
Over/Under Voltage Protection
OCP/SCP
High Efficiency
Fixed Frequency
Wide Input
2-Wire Remote sense
2 bit VID Digital Voltage Programming
Open-drain Power Good Output
Remote On/Off
IMON Pin for Output Current Monitoring
Power State Indicator(PSI#) Pin for Phase Dropping and Higher
Efficiency During Light Load States
•
Class 1, Category 2, Non-Isolated DC/DC Converter (refer to IPC-9592)
Applications
•
•
•
Networking
Computers and peripherals
Telecommunications
Description
The VRP3-90ExA0 series are non-isolated step down DC/DC converters providing up to 90 A output current.
Standard features include remote on/off, remote sense, 2 bit VID digital voltage programming, a power good
signal, over voltage and under voltage protection, over current protection, current monitor and power State
Indicator (PSI#). This product may be used almost anywhere low-voltage silicon is being employed and a
nominal 12V source is available. Typical applications include telecommunications, networking and other
computing applications.
Part Selection
Output Voltage
Input Voltage
Max. Output
Current
Max. Output
Power
Typical
Efficiency
Model Number
Active High
1.21 Vdc - 2.1Vdc
1.2 Vdc - 2.1Vdc
6.5 Vdc - 13.2 Vdc
6.5 Vdc - 13.2 Vdc
90 A
90 A
200 W
200 W
85%
85%
VRP3-90E1A0
VRP3-90E2A0
Notes: Add “G” suffix at the end of the model number to indicate Tray Packaging.
Part Number Explanation
V R P3 – 90 E 1A 0
1 2
3
4
5
6
7
1---Vertical mount
2---RoHS 6, change “R” to “7” means RoHS 5
3---Series name, SIP
4---Series code, output current 90A
5---Wide input range (6.5-13.2V)
6---“1A”, “2A” Wide trim range
7---Suffix
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
1
NON-ISOLATED DC/DC CONVERTERS
6.5 Vdc - 13.2 Vdc Input, 1.2 Vdc - 2.1 Vdc Output
Aug. 12, 2010
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Absolute Maximum Ratings
Unit
Parameter
Min
Typ
Max
Notes
Continuous non-operating Input
Voltage
-0.3
-
15
V
Remote On/Off
-0.3
0
-
-
-
5
V
Ambient Temperature
Storage Temperature
70
°C
°C
-55
125
Note: Ratings used beyond the maximum ratings may cause a reliability degradation of the converter or may
permanently damage the device.
Input Specifications
Parameter
Min
Typ
Max
Unit
Notes
Operating Input Voltage
6.5
12
13.2
V
Input Current (full load)
Input Current (no load)
Remote Off Input Current
-
-
-
-
35
700
25
A
500
10
mA
mA
Input Reflected Ripple Current
(rms)
-
-
10
25
25
50
mA
With simulated source impedance of
100nH, 5Hz to 20MHz. Use 2 *
470uF/16V Oscon capacitor.
Input Reflected Ripple Current
(pk-pk)
mA
I2t Inrush Current Transient
Turn-on Voltage Threshold
Turn-off Voltage Threshold
-
-
1
A2s
V
5.4
4.8
5.7
5.1
6.0
5.4
V
Note: All specifications are typical at 25 °C unless otherwise stated.
Output Specifications
Parameter
Min
Typ
Max
Unit
Notes
1.192
1.330
1.478
2.069
1.210
1.350
1.500
2.100
1.228
1.370
1.523
2.132
V
V
V
V
-
Output Voltage Set Point
Rtrim=7.86KΩ
Rtrim=3.79KΩ
Rtrim=1.24KΩ
VRP3-90E1A0
Output Voltage Set Point
VRP3-90E2A0
1.182
1.478
1.773
2.069
1.20
1.50
1.80
2.10
1.218
1.523
1.827
2.132
V
V
V
V
VID1,VID0=00
VID1,VID0=01
VID1,VID0=10
VID1,VID0=11
Load regulation
Line Regulation
-
-
-
12
10
mV
mV
5
Regulation Over Temperature
(0deg.C-70deg.C)
-
10
20
mV
Ripple and Noise (pk-pk)
Ripple and Noise (rms)
-
-
25
10
40
20
mV
mV
20MHz BW, Co=3600uF.
Ripple and Noise (pk-pk)
under worst case
over all operating input voltage,
load and temperature conditions.
-
-
60
mV
Output Current Range
Output DC Current Limit
0
-
-
90
A
A
100
130
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
2
NON-ISOLATED DC/DC CONVERTERS
6.5 Vdc - 13.2 Vdc Input, 1.2 Vdc - 2.1 Vdc Output
Aug. 12, 2010
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Output Specifications (continued)
Parameter
Turn on Delay Time
Min
Typ
Max
Unit
Notes
-
3.5
5
mS
Rise Time
-
-
-
2.5
-
5
1
-
mS
%
Overshoot at Turn on
Output Capacitance
Transient Response
3600
uF
Overshoot
Settling Time
Overshoot
-
-
-
-
-
-
-
-
200
150
200
150
mV
uS
△V50%~100%
of Max Load
di/dt=2.5A/us, Vin=12Vdc,
Ta=25°C,Co=3600uF
mV
uS
△V100%~50%
of Max Load
Settling Time
Note: All specifications are typical at nominal input, full load at 25°C unless otherwise stated.
General Specifications
Parameter
Min
Typ
Max
Unit
Notes
Efficiency
Vin =12, Vout=1.5V,Iout=90A
VRP3-90E1A0: Rtrim-up=3.79k
VRP3-90E2A0: VID0=0, VID1=1
82
85
-
%
VRP3-90E1A0: Rtrim-up=7.86k
VRP3-90E2A0: VID0=0, VID1=1,
Rtrim-down = 16.67k
Efficiency
Vin =12, Vout=1.35V,Iout=90A
81
84
-
%
Switching Frequency
Over Temperature Protection
Over Voltage Protection
Weight
-
400
-
kHz
100
105
-
-
-
120
115
-
°C
%Vo Latch off
g
33
Calculated Per Bell Core SR-332
(Vin=12 V, Vo=1.2 V, Io=80%load, Ta
FIT
400 (design goal)
-
-
= 25 °C, FIT=109/MTBF)
Dimensions
Inches (L × W × H)
2.00 x 1.2 x 0.70
Millimeters (L × W × H)
50.8 x 30.48 x 17.8
Note: All specifications are typical at 25 °C unless otherwise stated.
Efficiency Data
94.00%
89.00%
84.00%
79.00%
74.00%
69.00%
6.5V
12 V
13.2 V
9A
27A
45A
67.5A
90A
OUTPUT CURRENT(A)
Vo=1.5V
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
3
NON-ISOLATED DC/DC CONVERTERS
6.5 Vdc - 13.2 Vdc Input, 1.2 Vdc - 2.1 Vdc Output
Aug. 12, 2010
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Thermal Derating Curves
The thermal reference point is shown above. For reliable operation this temperature should not exceed 120°C.
The output power of the module should not exceed the rated power for the module.
Vin=12V, Vo=1.35V
Vin=12V, Vo=2.1V
Temperature reference points on top side
Temperature reference points on bottom side
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
4
NON-ISOLATED DC/DC CONVERTERS
6.5 Vdc - 13.2 Vdc Input, 1.2 Vdc - 2.1 Vdc Output
Aug. 12, 2010
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Ripple and Noise Waveform
Note: Ripple and noise at 12Vdc input, Vout=1.5V, Iout=90A and Ta=25 deg C, Co=3600uF.
Transient Response Waveforms
Note: Vout=1.5V, Vin=12V@Ta=25℃, Co=3600uF.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
5
NON-ISOLATED DC/DC CONVERTERS
6.5 Vdc - 13.2 Vdc Input, 1.2 Vdc - 2.1 Vdc Output
Aug. 12, 2010
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Startup & Shutdown
Rise Time
Test Condition:
12Vdc input, Vout=1.5V,
Iout=90A and Ta=25 deg C,
Co=3600uF
Startup time
Startup from on/off
Ch1: Vo
Ch3: on/off
Startup from Vin
Ch1: Vo
Ch3: Vin
Test Condition: 12Vdc input, Vout=1.5V,
Iout=90A and Ta=25 deg C,Co=3600uF
Test Condition: 12Vdc input, Vout=1.5V,
Iout=90A and Ta=25 deg C,Co=3600uF
Shutdown
Test Condition: 12Vdc input, Vout=1.5V, Iout=0A
and Ta=25 deg C,Co=3600uF
Test Condition: 12Vdc input, Vout=1.5V,
Iout=90A and Ta=25 deg C,Co=3600uF
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
6
NON-ISOLATED DC/DC CONVERTERS
6.5 Vdc - 13.2 Vdc Input, 1.2 Vdc - 2.1 Vdc Output
Aug. 12, 2010
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Remote On/Off
Parameter
Min
Typ
Max
Unit
Notes
Signal Low (Unit Off)
Signal High (Unit On)
Current Sink
-0.3
-
0.8
V
Active High
The remote on/off pin open, Unit off.
2.4
0
-
-
5
1
V
mA
Recommended remote on/off circuit for active high
Vin+
On/off
Vin-
Vin+
On/off
Vin-
Control with open collector/drain circuit
Control with photocoupler circuit
Vin+
Vin+
Vcc
On/off
Vin-
On/off
Vin-
Control with logic circuit
Permanently off
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
7
NON-ISOLATED DC/DC CONVERTERS
6.5 Vdc - 13.2 Vdc Input, 1.2 Vdc - 2.1 Vdc Output
Aug. 12, 2010
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Remote Sense
This module has remote sense compensation feature. It can minimize the effects of resistance between
module’s output and load in system layout and facilitates accurate voltage regulation at load terminals or
other selected point.
1. The remote sense lines carries very little current and hence do not require a large cross-sectional area.
2. This module compensates for a maximum drop of 10% of the nominal output voltage.
3. If the unit is already trimmed up, the available remote sense compensation range should be
correspondingly reduced. The total voltage increased by trim and remote sense should not exceed 10%
of the nominal output voltage.
4. When using remote sense compensation, all the resistance, parasitic inductance and capacitance of the
system are incorporated within the feedback loop of this module. It can make an effect on the module's
compensation, affecting the stability and dynamic response. A 0.1uF ceramic capacitor can be
connected at the point of load to de-couple noise on the sense wires.
5. Recommend the connection of remote sense compensation as below figure. There are a resistor RS+
(51.1 ohm) from Vo+ to Sense+ and a resistor RS- (51.1 ohm)) from Vo- to Sense- inside of this module.
Vo+
Sense+
Load
Sense-
Vo-
6. If not using remote sense compensation, please connect sense directly to output at module's pin, that is,
connect sense+ to Vo+ and sense- to Vo- at module's pin, the shorter the better. See below figure.
Vo+
Sense+
Load
Sense-
Vo-
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
8
NON-ISOLATED DC/DC CONVERTERS
6.5 Vdc - 13.2 Vdc Input, 1.2 Vdc - 2.1 Vdc Output
Aug. 12, 2010
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Output Trim Equations
VRP3-90E1A0
Equations for calculating the trim resistor are shown below. The Rtrim resistor should be connected between the
Trim pin and the Vsense(-).
Maximum trim up voltage is 2.1V.
The total voltage increased by trim and remote sense should not exceed 10% of the nominal output voltage.
1.1
R
=
(kΩ)
trim −up
Vo −1.21
VRP3-90E2A0
Equations for calculating the trim resistor are shown below. The Trim Down resistor should be connected
between the Trim pin and Sense (+) pin. The Trim Up resistor should be connected between the Trim pin and the
GND. Only one of the resistors should be used for any given application.
Minimum trim down voltage is 1.1V
Maximum trim up voltage is 2.1V.
The total voltage increased by trim and remote sense should not exceed 10% of the nominal output voltage.
Vsense+
Vout
Rtrim -up
Module
Module
Trim
Trim
Rtrim-down
GND
GND
VID0
0
VID1
0
Vout
1.2V
Trim up equation
Trim down equation
10Vo −11
1.2 −Vo
11
Rtrim−down
=
=
(KΩ)
Rtrim −up
=
(KΩ)
Vo 1.2
11
10Vo−11
1.5−Vo
Rtrim −up
=
(KΩ)
(KΩ)
0
1
1
1
0
1
1.5V
1.8V
2.1V
R
(KΩ)
trim−down
Vo 1.5
11
10Vo −11
1.8−Vo
Rtrim −up
=
Rtrim−down
=
(KΩ)
Vo 1.8
11
10Vo −11
2.1−Vo
Rtrim−up
=
(KΩ)
Rtrim−down
=
(KΩ)
Vo − 2.1
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
9
NON-ISOLATED DC/DC CONVERTERS
6.5 Vdc - 13.2 Vdc Input, 1.2 Vdc - 2.1 Vdc Output
Aug. 12, 2010
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Over Current Protection
The module is equipped with internal current-limiting circuitry in order to provide protection in a fault output
overload condition. The module will be in latch off mode when the output current exceeds the current limit
and restart by either cycling the input power or by toggling the on/off pin.
Over Voltage Protection
The output over-voltage protection consists of circuitry that monitors the voltage on the output terminals. If
the voltage on the output terminals exceeds the over voltage protection threshold, the module will shutdown
into latch off mode. The over-voltage latch can be reset by either cycling the input power or toggling the
on/off signal for one second at least.
Input Under-voltage Lockout
Under-voltage Lockout
V1=5.1V
V2=5.7V
Voltage Falling
Voltage Rising
Input Voltage (V)
V1
V2
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
10
NON-ISOLATED DC/DC CONVERTERS
6.5 Vdc - 13.2 Vdc Input, 1.2 Vdc - 2.1 Vdc Output
Aug. 12, 2010
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Power Good
1. This module has a power good indicator output. Power good pin used positive logic and is open collector.
2. Power good pin can sink 10mA.
3. The maximum voltage pulled up externally on Power Good pin should not exceed 6V.
4. When a successful soft-start is completed, the power good pin will be pulled high.
CH1: Output Voltage CH2: Remote ON/OFF CH3: PG
Typical Start-up Using Remote ON/OFF(Vin=12.0V, Vout=1.5V, Io=90A)
IMON Diagram
Note: The IMON pin is the average channel-current sense output. This pin is used as a load current indicator to
monitor the output load current. When Iout = 90A the voltage on the IMON pin = 900mV.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
11
NON-ISOLATED DC/DC CONVERTERS
6.5 Vdc - 13.2 Vdc Input, 1.2 Vdc - 2.1 Vdc Output
Aug. 12, 2010
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Mechanical Outline
VRP3-90E1A0
Pin
Function
Pin
9
Function
Pin
17
18
19
20
21
22
23
24
Function
1
Reserved
Reserved
Reserved
IMON
PSI#
PGOOD
Vin
GND
GND
Vout
Vout
GND
GND
Vout
Vout
2
10
11
12
13
14
15
16
3
4
Vin
5
Enable
GND
GND
Vout
6
Vsense+
Vesnse-
Trim
7
8
Vout
VRP3-90E2A0
Pin
Function
Pin
9
Function
Pin
17
18
19
20
21
22
23
24
Function
1
VID0
VID1
PSI#
PGOOD
Vin
GND
GND
Vout
Vout
GND
GND
Vout
Vout
2
10
11
12
13
14
15
16
3
Reserved
IMON
4
Vin
5
Enable
Vsense+
Vesnse-
Trim
GND
GND
Vout
6
7
8
Vout
Note: This module is recommended and compatible with Pb-Free Wave Soldering and must be soldered
using a peak solder temperature of no more than 260 ºC for less than 5 seconds.
Note:
1) All Pins: Material - Copper Alloy;
Finish – 3 micro inches minimum Gold over 50 micro inches minimum Nickel plate.
2) Undimensioned components are shown for visual reference only.
3) All dimensions in inches (mm); Tolerances: x.xx +/-0.02 in. (x.x +/-0.5mm) x.xxx +/-0.010 in. (x.xx +/-0.25mm).
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
12
NON-ISOLATED DC/DC CONVERTERS
6.5 Vdc - 13.2 Vdc Input, 1.2 Vdc - 2.1 Vdc Output
Aug. 12, 2010
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Signal Definitions
Pin Name
Pin Description
Logic level inputs used to set the output voltage,
refer to VID table. Connect VID0 thru VID1 pins to
open-drain outputs with external pull-up resistors or
to active-pull-up outputs. Valid logic low is -0.3V to
0.4V, valid logic high level is 0.8V to 5.3V.
VID0, VID1
The IMON pin is the average channel-current sense
output. This pin is used as a load current indicator to
monitor the output load current. The voltage on the
Imon pin = 900mV when Iout = 90A.
IMON
Logic level input used to enable the converter when
high.
Enable
Vsense+
Vsense-
Trim
Positive remote sense.
Negative remote sense.
Output voltage Trim.
A low input signal indicates the low power mode
operation of the processor. The controller drops the
number of active phases to single phase operation.
A high input signal pulls the controller back to
normal operation.
PSI#
PGOOD indicates that soft-start has completed and
the output voltage is within the regulated range
around VID setting.
PGOOD
Vin
Input voltage of the converter.
GND
Vout
Common return for both input and output.
Output voltage of the converter.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
13
NON-ISOLATED DC/DC CONVERTERS
6.5 Vdc - 13.2 Vdc Input, 1.2 Vdc - 2.1 Vdc Output
Aug. 12, 2010
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Revision History
Date
Revision
Changes Detail
Approval
XF JIANG
XF JIANG
XF JIANG
2009-03-17
2009-03-24
2009-04-22
A
B
C
First release
Updated mechanical drawing
1. Correct error in part number explanation; 2. Update mechanical
drawing; 3. Update ripple, switching frequency, OVP, FIT, weight; 4.
Add efficiency data, TD, NR, TR, Startup&shutdown, PG waveforms.
2009-05-05
D
1, Add ripple and noise (p-p) under worst case. 2, Add efficiency curve
of 1.35V output. 3, Add pin description. 4, Update Turn on/off voltage
Threshold.
XF JIANG
2009-05-15
2010-03-30
E
F
1. Add P/N VRP3-90E2A0; 2. Adjust output voltage range; 3. Update
set point, efficiency, trim, FIT.
XF JIANG
YF SUN
1. Remove “Preliminary”, add product picture;
2. Input spec: 1)Update turn on/off voltage;
3. Output spec: 1)Update output voltage setpoint of VRP3-90E1A0; 2)
output current limit; 3) turn on delay time and rise time; 4) output
capacitance; 5) transient response setting time.
4. General spec: 1)Update switching frequency; 2)OTP; 3)product
weight.
5. Update efficiency curve, thermal derating curves, Trim, UVLO,
mechanical top and bottom view.
2010-08-12
G
Add the diagram of IMON
YF SUN
RoHS Compliance
Complies with the European Directive 2002/95/EC, calling for the elimination of lead and
other hazardous substances from electronic products.
©2010 Bel Fuse Inc. Specifications subject to change without notice. 081210
14
CORPORATE
FAR EAST
EUROPE
Bel Fuse Inc.
Bel Fuse Ltd.
Bel Fuse Europe Ltd.
206 Van Vorst Street
Jersey City, NJ 07302
Tel 201-432-0463
Fax 201-432-9542
www.belfuse.com
8F/ 8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel 852-2328-5515
Fax 852-2352-3706
www.belfuse.com
Preston Technology Management Centre
Marsh Lane, Suite G7, Preston
Lancashire, PR1 8UD, U.K.
Tel 44-1772-556601
Fax 44-1772-888366
www.belfuse.com
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VRP4-C0E1A0
NON-ISOLATED DC/DC CONVERTERSWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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BEL
VRP4-C1E1A0
NON-ISOLATED DC/DC CONVERTERSWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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BEL
VRP4-C2E1A0
NON-ISOLATED DC/DC CONVERTERSWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
BEL
VRP4-CXE1A0
NON-ISOLATED DC/DC CONVERTERSWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
BEL
VRPB-06B
NON-ISOLATED DC/DC CONVERTERS 5V Input / 1.5 - 3.3V Output / 6AWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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BEL
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