LV12S15-200 [WALL]

200 Watt Half-Brick DC - DC Power Converters;
LV12S15-200
型号: LV12S15-200
厂家: WALL INDUSTRIES,INC.    WALL INDUSTRIES,INC.
描述:

200 Watt Half-Brick DC - DC Power Converters

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中文:  中文翻译
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LV200 SERIES  
Advanced Publication  
Wall Industries, Inc.  
200 Watt Half-Brick DC/DC Power Converters  
Standard Models  
FEATURES  
Soft-Start  
4:1 Ultra Wide Input Voltage Range: 9~36VDC  
Industry Standard Half-Brick Footprint  
Remote Sense Compensation to 10% Vout  
Single Outputs Ranging from 3.3VDC to 48VDC  
1500VDC I/O Isolation  
200 Watts Output Power  
Under Voltage Lockout  
No Minimum Load Requirements  
Remote ON/OFF Control  
High Efficiency  
Threaded Inserts & Thru-Hole Inserts Available  
Short Circuit, Over Voltage, Over Current, and Over  
Temperature Protection  
Fixed Switching Frequency  
Cost Efficient Solution  
Fast Transient Response  
Made in the USA  
Size: 2.40x 2.28 x 0.50 inches  
UL60950-1, EN60950-1, IEC60950-1, & EN50155  
Safety Approvals  
Chassis Mount Models (Prefix “CM”)  
100% Burn-in  
Heat Sink and Chassis Mount Options Available  
APPLICATIONS  
Telecommunications Equipment  
Network (LANs/WANs) Equipment  
Next Generation Low Voltage, High  
Current Microprocessors and ICs  
For Use in 12V and 24V Battery Applications  
For Use in Intermediate and Distributed Bus  
Architectures (IBA)  
Military Applications  
Size: 5.70 x 3.40 x 1.10 inches  
DESCRIPTION  
The LV200 is a high density, low input voltage, isolated converter with a 4:1 ultra wide input voltage  
range. Low input voltage converters are uncommon in the industry and the LV200 series offers the  
flexibility of operation with both 12V and 24V busses. This state-of-the-art converter's features  
include fast transient response, short circuit protection, over current protection, soft start, and many  
other features that are required for today's demanding applications.  
Options:  
Heatsink  
Thru-Hole Inserts  
Chassis Mount  
Active Low Remote ON/OFF Control  
MODEL SELECTION TABLE  
Output Current  
Output  
Voltage  
Model Number Input Voltage  
No Load Input Current Ripple & Noise Output Power Efficiency  
Min Load  
0mA  
Max Load  
60.6A  
LV12S3.3-200  
LV12S05-200  
LV12S12-200  
12/24 VDC  
LV12S15-200  
(9 - 36 VDC)  
LV12S24-200  
LV12S28-200  
LV12S48-200  
NOTES  
3.3 VDC  
5 VDC  
200W  
200W  
200W  
200W  
200W  
200W  
200W  
0mA  
0mA  
0mA  
0mA  
0mA  
0mA  
40A  
12 VDC  
15 VDC  
24 VDC  
28 VDC  
48 VDC  
16.67A  
13.33A  
8.33A  
7.14A  
4.17A  
TBD  
TBD  
TBD  
1. The LV200 series converters may be paralleled both for redundancy and for higher output current. See page 11 for more details.  
2. Maximum output deviation is +10% inclusive of remote sense and trim. If remote sense is not being used the +SENSE should be connected to its  
corresponding +OUTPUT and likewise the -SENSE should be connected to its corresponding –OUTPUT.  
3. Output voltage is adjustable for 10% trim up or -10% trim down of nominal output voltage by connecting a single resistor between Trim and +Rs  
pins for trim up or between Trim and -Rs pins for trim down. To calculate the value of the resistor RU and RD for a particular output voltage see  
page 9.  
4. This series comes with several different options: active low remote on/off control, heatsinks, chassis mount, and thru-hole inserts. See the “Model  
Number Setup” table on page 12 for more ordering information.  
Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797  
website: www.wallindustries.com • e-mail: sales@wallindustries.com  
07/11/2013  
Page 1 of 12  
LV200 SERIES  
Advanced Publication  
Wall Industries, Inc.  
200 Watt Half-Brick DC/DC Power Converters  
SPECIFICATIONS: LV200 SERIES  
All specifications are based on 25°C, Nominal Input Voltage, and Maximum Output Current unless otherwise noted.  
We reserve the right to change specifications based on technological advances.  
SPECIFICATION  
INPUT SPECIFICATIONS  
Input Voltage Range  
UVLO Turn-On At  
UVLO Turn-off At  
Input Surge Voltage (100ms)  
Input Current  
TEST CONDITIONS  
Min  
Typ  
Max  
Unit  
9
12/24  
36  
TBD  
TBD  
50  
VDC  
VDC  
VDC  
VDC  
No Load  
See Table  
Pi type  
Input Filter  
Reflected Ripple Current  
OUTPUT SPECIFICATIONS  
Output Voltage  
TBD  
mA  
See Table  
+1.0  
Voltage Set Point  
Line Regulation  
RS shorted to Vo  
RS shorted to Vo  
RS shorted to Vo  
-1.0  
-10  
%
%
%
%
%
0.1  
0.1  
0.2  
0.2  
+10  
10  
Load Regulation  
Voltage Adjustability  
Remote Sense Compensation  
Output Power  
Max output limited to 200W  
Max output limited to 200W  
See Table  
See Table  
Output Current  
Minimum Load  
0
%
Ripple  
1µF ceramic and 10µF tantalum  
1µF ceramic and 10µF tantalum  
TBD  
mVp-p  
mVp-p  
%/°C  
Spikes  
TBD  
Temperature Drift  
DYNAMIC RESPONSE  
Load Step / ΔV  
0.2  
50% to 100% Io, di/dt=1A/uS  
Recovery to within 1% Nominal Vo  
From Vin(min) to Vout (nom)  
Full Load Resistive  
200  
TBD  
TBD  
0
mV  
ms  
ms  
%
Recovery Time  
Turn-on Delay  
Turn-on Overshoot  
Hold-up Time  
From Vin (min) to VULVO_Turn_Off  
0
mS  
REMOTE ON/OFF CONTROL  
Min High (ON/OFF pin)  
Max Low (ON/OFF pin)  
Max Low (ON/OFF pin)  
Min High (ON/OFF pin)  
Remote ON  
Remote OFF  
Remote ON  
Remote OFF  
Active High  
Active Low  
2.2  
Active High (standard)  
Active Low (optional)  
VDC  
VDC  
VDC  
1.2  
5.0  
N/A  
N/A  
2.5  
Remote ON/OFF Pin Floating  
Over operating voltage range  
N/A  
Turn-On Delay (Active High)  
Turn-Off Delay (Active High)  
PROTECTION  
ON/OFF (max Low) to Vout (min)  
ON/OFF (0V) to Vout (min)  
9
ms  
µs  
160  
Short Circuit Protection  
Current Limit  
hiccup, automatic recovery  
Power limited-dependent upon SENSE compensation and TRIM adj.  
Output clamped  
TBD  
%
%
Over Voltage Protection  
115  
130  
Case temperature greater than  
+95  
+85  
Over Temperature Protection  
°C  
Case temperature less than  
GENERAL SPECIFICATIONS  
Efficiency  
Nominal input voltage and full load  
See Table  
400  
Switching Frequency  
kHz  
Input to Output  
1 minute (basic insulation)  
1500  
Isolation Voltage  
VDC  
Input/Output to Case  
500  
Isolation Resistance  
Isolation Capacitance  
ENVIRONMENTAL SPECIFICATIONS  
Operating Case Temperature  
Storage Temperature  
Relative Humidity  
500VDC  
10  
MΩ  
pF  
TBD  
Max ambient limited by OTP  
Calculated using BELLCORE TR-332 Method 1 case 3  
-40  
-50  
5
+100  
+125  
95  
°C  
°C  
% RH  
hours  
MTBF  
TBD  
Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797  
website: www.wallindustries.com • e-mail: sales@wallindustries.com  
07/11/2013  
Page 2 of 12  
LV200 SERIES  
Advanced Publication  
Wall Industries, Inc.  
200 Watt Half-Brick DC/DC Power Converters  
SPECIFICATIONS: LV200 SERIES  
All specifications are based on 25°C, Nominal Input Voltage, and Maximum Output Current unless otherwise noted.  
We reserve the right to change specifications based on technological advances.  
SPECIFICATION  
PHYSICAL SPECIFICATIONS  
TEST CONDITIONS  
Min  
Typ  
Max  
Unit  
Standard models  
4.0oz (113g)  
7.52oz (213g)  
Weight  
Chassis Mount Models  
Standard models  
2.40 x 2.28 x 0.50 inches (61.0 x 57.9 x 12.7 mm)  
Dimensions (L x W x H)  
Chassis Mount Models  
5.70 x 3.40 x 1.10 inches (144.8 x 86.4 x 28.0 mm)  
Case Material  
Base Material  
Potting Material  
Shielding  
Thick, aluminum alloy  
TBD  
TBD  
Six-sided  
SAFETY & EMC CHARACTERISTICS  
Safety Approvals  
EMI  
IEC60950-1, UL60950-1, EN60950-1, EN50155  
EN55011, EN55022  
EN61000-4-2  
EN61000-4-3  
EN61000-4-4  
EN61000-4-5  
EN61000-4-6  
Class A  
Perf. Criteria A  
Perf. Criteria A  
Perf. Criteria A  
Perf. Criteria A  
Perf. Criteria A  
ESD  
Air 8kV and Contact 6kV  
Radiated Immunity  
Fast Transient  
Surge  
20 V/m  
2kV  
EN55024 2kV and EN50155 2kV  
10 Vrms  
Conducted Immunity  
MECHANICAL DRAWING  
STANDARD MODELS  
LABEL  
WALL R INDUSTRIES  
PIN DESIGNATION  
PIN Ø  
Ø.081  
Ø.040  
Ø.040  
Ø.040  
Ø.081  
Ø.081  
Ø.040  
Ø.081  
Ø.040  
Ø.081  
DATE CODE  
SERIAL NO:  
DC/DC CONVERTER  
XXXX  
1
2
-OUTPUT  
-SENSE  
TRIM  
MODEL NAME  
EXETER, NH 03833  
XXXX  
3
4
+SENSE  
+OUT  
-Vin  
5
SEE NOTE-4  
+.02  
2.28  
+0.5  
57.9  
.50 [12.7]  
TO STANDOFFS ONLY  
6
-.03  
-0.8  
7
CASE GRD  
KEY PIN/NC  
ON/OFF  
+Vin  
KEY PIN/ NO CONNECTION  
8
9
10  
1.400 [35.56]  
6
1
1.000 [25.40]  
.700 [17.78]  
.400 [10.16]  
7
8
9
2
3
4
UNLESS OTHERWISE SPECIFIED  
ALL DIMENSONS ARE IN INCHES  
[ XX ] ARE IN MILLIMETERS  
APPLIED TOLERANCES:  
ANGLES= 1°  
.XX= .02[0.5] .XXX= .010[0.25]  
.000 [0.00]  
10  
5
DO NOT SCALE DRAWING  
INTERPRET DIMENSION AND TOLERANCE  
PER ASME Y14.5M - 1994  
.30 [7.6]  
.50 [12.7]  
THIRD ANGLE PROJECTION  
.20 MIN [5.1 MIN]  
SEE NOTE-3  
+.02  
.19  
+0.5  
4.8  
1.900 [48.26]  
-.03  
-0.6  
LEXAN INSULATOR 2X  
PIN LENGTH FROM  
STANDOFFS ONLY  
NOTES:  
1. PIN-TO-PIN TOLERANCE .01 [ 0.3]  
PIN DIAMETER TOLERANCE: .005 [ 0.13]  
2. CASE MATERIAL: 0.040 [1.02] THICK, ALUMINUM ALLOY 3003-0, PER: QQA 250/2  
3. UNLESS OTHERWISE SPECIFIED  
4. UNIT COMES WITH EITHER 3M x 0.5 THREADED THRU INSERTS OR FOR Ø.125 THRU-HOLE ADD “TH” SUFFIX TO THE MODEL NUMBER.  
5. CONSULT FACTORY FOR OPTIONAL HEATSINK  
Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797  
website: www.wallindustries.com • e-mail: sales@wallindustries.com  
07/11/2013  
Page 3 of 12  
LV200 SERIES  
Advanced Publication  
Wall Industries, Inc.  
200 Watt Half-Brick DC/DC Power Converters  
MECHANICAL DRAWING  
CHASSIS MOUNT MODELS (PREFIX “CM”)  
M0 X ꢀ.ꢃ FULL THD THRU 4X  
CAUTION: MOUNTING HARDWARE PROTRUDSION INTO UNIT MUST  
NOT EXCEED A MAXIMUM DEPTH OF .2ꢃ ꢁ6.4ꢂ FROM SURFACE-A  
MAX RECEIVING TORQUE 4-LBS/IN ꢁꢀ.4ꢃ-N.mꢂ  
UNLESS OTHERWISE SPECIFIED  
ALL DIMENSONS ARE IN INCHES  
[ XX ] ARE IN MILLIMETERS  
APPLIED TOLERANCES:  
ANGLES= 1°  
.XX= .02[0.5] .XXX= .010[0.25]  
DO NOT SCALE DRAWING  
INTERPRET DIMENSION AND TOLERANCE  
PER ASME Y14.5M - 1994  
THIRD ANGLE PROJECTION  
NOTES  
1. PIN TO PIN TOLERANCE ꢀ.ꢀ1 ꢁ ꢀ.0ꢂ3  
PIN DIAMETER TOLERANCE: ꢀ.ꢀꢀꢃ ꢁ ꢀ.10ꢂ.  
2. CASE MATERIAL OF THE CONVERTER: Ø.ꢀ4ꢀ ꢁ1.ꢀ2ꢂ THICK3 ALUMINUM ALLOY 0ꢀꢀ0-ꢀ3 PER: QQA 2ꢃꢀ/2.  
0. UNLESS OTHERWISE SPECIFIED.  
4. UNIT COMES WITH EITHER .112 (NO.4)-4OUNC-2B THREADED THRU INSERTS OR FOR Ø.12ꢃ THRU-HOLE FOR THE CHASSIS MOUNT BOARD  
ADD: “THSUFFIX TO MODEL PART NUMBER. EXAMPLE: CMLV12S1ꢃ-2ꢀꢀTH  
Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797  
website: www.wallindustries.com • e-mail: sales@wallindustries.com  
07/11/2013  
Page 4 of 12  
LV200 SERIES  
Advanced Publication  
Wall Industries, Inc.  
200 Watt Half-Brick DC/DC Power Converters  
CHARACTERISTICS (Based on LV12S15-200)  
Max Ambient vs Io (Vin=24VDC)  
Efficiency vs Output Current  
TBD  
TBD  
Input Current vs Input Voltage  
Power Dissipation vs Input Voltage  
TBD  
TBD  
Min Load Input Current & Power Dissipation vs Input Voltage  
“Remote Off” Input Current & Power Dissipation vs Input Voltage  
TBD  
TBD  
Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797  
website: www.wallindustries.com • e-mail: sales@wallindustries.com  
07/11/2013  
Page 5 of 12  
LV200 SERIES  
Advanced Publication  
Wall Industries, Inc.  
200 Watt Half-Brick DC/DC Power Converters  
CHARACTERISTICS (Based on LV12S15-200)  
Photo 1: Remote Turn On  
Photo 2: Remote Turn Off  
TBD  
TBD  
Vin=24V, Iout=1.33A  
Vin=24V, Iout=13.33A  
Photo 3: Normal Turn On  
Photo 4: Normal Turn On  
TBD  
TBD  
Vin=24V, Iout=1.33A  
Vin=24V, Iout=13.33A  
Photo 5: Remote Turn Off  
Photo 6: Remote Turn Off  
TBD  
TBD  
Vin=24V, Iout=1.33A  
Vin=24V, Iout=13.33A  
Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797  
website: www.wallindustries.com • e-mail: sales@wallindustries.com  
07/11/2013  
Page 6 of 12  
LV200 SERIES  
Advanced Publication  
Wall Industries, Inc.  
200 Watt Half-Brick DC/DC Power Converters  
CHARACTERISTICS (Based on LV12S15-200)  
Photo 7: Transient Response 50% to 100%  
Photo 8: Transient Response Min Load to Max Load  
TBD  
TBD  
Vin = 24V, Iout = 6.66 to 13.33A, Cout = 1µF Ceramic + 10µF tantalum  
Vin = 24V, Iout = 1.33 to 13.33A, Cout = 1µF Ceramic + 10µF tantalum  
Photo 9: Output Voltage Ripple (20MHz BW)  
Photo 10: Output Voltage Ripple (20MHz BW)  
TBD  
TBD  
Vin = 24V, Iout = 1.33A, Cout = 1µF Ceramic + 10µF tantalum  
Vin = 24V, Iout = 13.33A, Cout = 1µF Ceramic + 10µF tantalum  
Photo 11: Output Voltage Ripple (Spike)  
Photo 12: Input Reflected Ripple Voltage and Ripple Current  
TBD  
TBD  
Vin = 24V, Iout = 13.33A  
with 680µFaluminum electrolytic and 12µH series inductor  
Vin = 24V, Iout = 13.33A, Cout = 1µF Ceramic + 10µF tantalum  
Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797  
website: www.wallindustries.com • e-mail: sales@wallindustries.com  
07/11/2013  
Page 7 of 12  
LV200 SERIES  
Advanced Publication  
Wall Industries, Inc.  
200 Watt Half-Brick DC/DC Power Converters  
DESIGN CONSIDERATIONS  
Under Voltage Lock Out (UVLO)  
The converter output is disabled until the input voltage exceeds the UVLO turn-on limit. The converter will remain ON  
until the input voltage falls below the UVLO turn-off limit.  
Over Current Protection  
The converter is protected from short circuit and over current conditions. During these fault conditions, the converter  
output will ‘hiccup’. The converter output will recover once the short or over current fault is removed.  
Over Temperature Protection (OTP)  
The converter has internal thermal protection that will shut the converter OFF once the case temperature exceeds the  
OTP turn-off limit. The converter will resume operation when the case temperature has dropped below the OTP turn-on  
limit.  
Input Filter  
It is recommended to bypass the +Vin and –Vin pins of the converter with a minimum of 680µF (100V minimum)  
capacitor. No other bypassing is needed. However, to reduce the input ripple beyond what is seen in Photo 1, larger  
values of capacitance may be used. Additionally, an inductor may be placed between the source and the previously  
mentioned capacitor. No inductor should be placed between the capacitor and the input to the converter.  
Input Filter Setup  
+Vin  
Low  
Impedance  
Source  
LV200 SERIES  
680µF  
electrolytic  
capacitor  
1µF  
ceramic  
capacitor  
-Vin  
Output Filter  
No additional output capacitor is needed for the power supply to operate. However, to reduce the ripple and noise on  
the output, additional capacitance may be added. A 100µF Ceramic capacitor may be added across the +Vo and –Vo pins  
to reduce the ripple and spike noise. Additional capacitance in the form of a tantalum or aluminum electrolytic may also  
be placed across these pins in order reduce ripple and improve the transient peak-to-peak voltage deviation.  
Remote Sense  
To improve the regulation at the load, route the connections from the -RS and the +RS pins to the –Vo and +Vo  
connections at the load. This will force the converter to regulate the voltage at the load and not at the pins of the  
converter. If it is not desired to use the Remotes Sense feature, the –RS and +RS pins may be left open or they may be  
shorted to the -Vo and +Vo pins respectively. Shorting the RS pins to the Vo pins will reduce the voltage drops through  
the converter pins.  
Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797  
website: www.wallindustries.com • e-mail: sales@wallindustries.com  
07/11/2013  
Page 8 of 12  
LV200 SERIES  
Advanced Publication  
Wall Industries, Inc.  
200 Watt Half-Brick DC/DC Power Converters  
Remote ON/OFF  
The converter has the ability to be remotely turned ON or OFF. The LV200 series is Active-High. Active-High means that a  
logic high at the ON/OFF pin will enable the supply. With Active-High, if the ON/OFF pin is left floating, the supply will be  
enabled.  
Active High  
+VIN  
Low Disables Converter  
High Enables Converter  
ON/OFF  
200K  
VCC  
Low Enables Converter  
High Disables Converter  
2.5V  
0.1µF  
-VIN  
-VIN  
LV200 Series Converter  
Output Voltage Trim  
The output is adjustable 10% of rated output voltage. To trim the output voltage down, place the trim resistor between  
the Trim and -Rs pins. To trim the output voltage up, place the trim resistor between the Trim and +Rs pins.  
The value of the trim resistor with respect to the desired output voltage (Vo) can be derived from the following formulas.  
Trim Up  
Trim Down  
Vonom  
R1 Vo  
R1 Vo  
R1 V  
o
U
1
RTL =  
- Rlim (in KΩ)  
RTH =  
-
- Rlim (in KΩ)  
V
onom - Vo  
V - Vonom  
o
V - Vonom  
o
+Vout  
+Rs  
+Vout  
+Rs  
RTH  
Trim  
Trim  
Rload  
Rload  
Pins Facing Down  
Pins Facing Down  
RTL  
-Rs  
-Rs  
-Vout  
-Vout  
Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797  
website: www.wallindustries.com • e-mail: sales@wallindustries.com  
07/11/2013  
Page 9 of 12  
LV200 SERIES  
Advanced Publication  
Wall Industries, Inc.  
200 Watt Half-Brick DC/DC Power Converters  
TEST SETUP  
Regulation and Efficiency Setup  
To ensure that accurate measurements are taken, the voltage measurements are taken directly at the terminal of the  
module. This minimizes errors due to contact and trace lengths between the load and the output of the supply. The  
following is a diagram of the test setup.  
Regulation and Efficiency Probe Setup  
Rtrace Rcontact  
Rcontact  
+Vout  
Rtrace  
+Vin  
Rload  
V
in  
Vout  
Rtrace Rcontact  
Rcontact  
Rtrace  
-Vin  
-Vout  
Output Ripple Voltage Setup  
The module is tested with a 1µF ceramic capacitor in parallel with a 10µF tantalum capacitor across the output terminals.  
Ripple Voltage Probe Setup  
SCOPE  
PROBE  
+Vout  
Rload  
LV2ꢀꢀ SERIES  
1ꢀµF 1µF  
Tantalum Ceramic  
-Vout  
Input Reflected Ripple Current & Input Ripple Current Setup  
The module is tested for input reflected ripple current (Irrc) and input ripple current (Irc). The input ripple voltage is also  
measured at the pins with the following input filter. If there is a need to reduce input ripple current/voltage then  
additional ceramic capacitors can be added to the input of the converter.  
Ripple Current Setup  
SCOPE  
PROBE  
Irrc  
Irc  
12µH  
+Vin  
-Vin  
Low  
Impedance  
Source  
LV2ꢀꢀ SERIES  
68ꢀꢀµF  
electrolytic  
capacitor  
1µF  
ceramic  
capacitor  
Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797  
website: www.wallindustries.com • e-mail: sales@wallindustries.com  
07/11/2013  
Page 10 of 12  
LV200 SERIES  
Advanced Publication  
Wall Industries, Inc.  
200 Watt Half-Brick DC/DC Power Converters  
Converter Thermal Consideration  
The converter is designed to operate without convective cooling if the derating curves are followed. The converter can  
operate at higher temperatures if airflow is applied. Airflow should be aligned lengthwise to the converter for optimum  
heat transfer.  
Airflow Orientation  
+Vin  
+Vout  
Pins Facing Down  
ON/OFF  
-Vin  
LV2ꢀꢀ SERIES  
-Vout  
Paralleling Converters  
The LV200 series converters may be paralleled both for redundancy and for higher output current. However, in order to  
do this, a high-current, low Vf, schottky diode must be placed at the +Vo pin of each supply as shown below. To improve  
sharing, tie the two TRIM pins together. The converters may be trimmed by adding a resistor value from each TRIM pin to  
RS pin, or alternatively, a single resistor of half the value from the common TRIM pins to the common RS pins.  
Paralleling Converters  
-VO  
-VO  
+VIN  
-RS  
ON/OFF  
CHGND  
R (Up or Down)  
(OPTIONAL)  
CONVERTER B  
TRIM  
+RS  
-VIN  
+VO  
RLOAD  
+ꢃV  
+VIN  
-VO  
+RS  
TRIM  
ON/OFF  
CHGND  
VIN  
R (Up or Down)  
(OPTIONAL)  
CONVERTER A  
-RS  
-VIN  
-VO  
-VIN  
-VO  
Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797  
website: www.wallindustries.com • e-mail: sales@wallindustries.com  
07/11/2013  
Page 11 of 12  
LV200 SERIES  
Advanced Publication  
Wall Industries, Inc.  
200 Watt Half-Brick DC/DC Power Converters  
MODEL NUMBER SETUP  
CM  
Chassis Mount  
LV 12  
S
Output Quantity  
15 - 200  
Series Name  
Input Voltage  
Ouptut Voltage  
None: Standard  
12: 9-36VDC  
S: Single Output  
3.3: 3.3 VDC  
05: 5 VDC  
200: 200 Watts  
CM: Chassis Mount  
12: 12 VDC  
15: 15 VDC  
24: 24 VDC  
28: 28 VDC  
48: 48 VDC  
R
Remote ON/OFF  
TH  
Inserts  
HS  
Heatsink  
None: Active High  
R: Active Low  
None: Threaded  
TH: Thru-hole  
None: No heatsink  
H: Heatsink  
Note: Models with thru-hole inserts cannot be equipped with a heatsink.  
COMPANY INFORMATION  
Wall Industries, Inc. has created custom and modified units for over 50 years. Our in-house research and development  
engineers will provide a solution that exceeds your performance requirements on-time and on budget. Our ISO9001-2008  
certification is just one example of our commitment to producing a high quality, well-documented product for our  
customers.  
Our past projects demonstrate our commitment to you, our customer. Wall Industries, Inc. has a reputation for working  
closely with its customers to ensure each solution meets or exceeds form, fit and function requirements. We will continue  
to provide ongoing support for your project above and beyond the design and production phases. Give us a call today to  
discuss your future projects.  
Contact Wall Industries for further information:  
Phone:  
Toll Free:  
Fax:  
(603)778-2300  
(888)597-9255  
(603)778-9797  
E-mail:  
Web:  
Address:  
sales@wallindustries.com  
www.wallindustries.com  
37 Industrial Drive  
Exeter, NH 03833  
Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797  
website: www.wallindustries.com • e-mail: sales@wallindustries.com  
07/11/2013  
Page 12 of 12  

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