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UEI30 Series
30W Isolated Wide-Range DC/DC Converters Featuring a full 30 Watt output in 1.8 square inches of board area, the UEI series isolated DC/DC converter family offers efficient regulated DC power for printed circuit board mounting.
PRODUCT OVERVIEW
Wide range 4:1 inputs on the 0.92" x 1.92" x 0.35" converter are either 9 to 36 Volts DC (Q12 models) or 18 to 75 Volts DC (Q48 models), ideal for battery-powered and telecom equipment. Fixed output voltages from 3.3 VDC to 15 VDC are tightly regulated and may be trimmed within 10% of nominal output. Applications include small instruments, computer-based systems, data communications equipment, remote sensor systems, vehicle and portable electronics. The UEI 30W Series includes full magnetic and optical isolation up to 2250 Volts DC (basic insulation). For connection to digital systems, the outputs offer fast settling to current step loads and tolerance of higher capacitive loads. Excellent ripple and noise specifications assure compatibility to circuits using CPU's, ASIC's, programmable logic and FPGA's. No minimum load is required. For systems requiring controlled startup/shutdown, an external switch, transistor or digital logic may be used to activate the remote On/Off control. Remote Sense inputs compensate for resistive line drops at high currents. A wealth of self-protection features avoid both converter and external circuit problems. These include input undervoltage lockout and overtemperature shutdown. The outputs current limit using the "hiccup" autorestart technique and the outputs may be short-circuited indefinitely. Additional features include output overvoltage and reverse conduction elimination. The synchronous rectifier forward topology offers high efficiency for minimal heat buildup and "no fan" operation. The open frame design is also available under special quantity order with an encapsulation shell and thermally-conductive potting compound. This option offers additional cooling in low-airflow, high temperature applications.
Typical unit
FEATURES
Small footprint DC/DC converter, ideal for high current applications 0.92" x 1.92" x 0.35" open frame package Wide range input voltages 9-36 and 18-75Vdc Assembly and attachment for RoHS-6 hazardous substance compliance Isolation up to 2250 VDC (basic) Up to 30W total output power with overtemperature shutdown High efficiency synchronous rectifier forward topology Stable no-load operation with no required external components -40 to +85C temperature range; see derating Certified to UL60950-1, CSA-C22.2 No. 234, EN60950-1 safety approvals Extensive self-protection shut down features RoHS-6 hazardous substance compliant
Contents of full data sheet Description, Photograph, Connection Diagram Ordering Guide, Model Numbering, Soldering Guidelines Mechanical Specs, Input/Output Pinout Detailed Electrical Specifications Application Notes Performance Data
Page 1 2 3 4 6 11
SIMPLIFIED SCHEMATIC
+VOUT +VIN GATE DRIVE
-VIN
-VOUT ISOLATION BARRIER
On/Off Control
Control
For full details go to www.murata-ps.com/rohs
Typical topology is shown.
OPTO ISOLATION
Reference, trim & Error Amplifier
TRIM
www.murata-ps.com
10/20/09
email: sales@murata-ps.com
MDC_UEI Series 30W.A12_short Page 1 of 3
This data sheet contains core information only. Please click here for the full data sheet.
UEI30 Series
30W Isolated Wide-Range DC/DC Converters
PERFORMANCE SPECIFICATIONS AND ORDERING GUIDE Output Power R/N (mVp-p) Regulation (Max.) VIN VOUT IOUT Nom. (V) (A) (W) Typ. Max. Line Load (V) Part Numberc UEI30-033-Q12P-C UEI30-033-Q48N-C UEI30-050-Q12P-C UEI30-050-Q48N-C UEI30-120-Q12P-C UEI30-120-Q48N-C UEI30-150-Q12P-C UEI30-150-Q48N-C 3.3 3.3 5 5 12 12 15 15 9 9 6 6 2.5 2.5 2 2 29.7 29.7 30 30 30 30 30 30 25 50 35 50 60 30 40 50 35 75 50 75 120 60 65 100 0.2% 0.25% 0.2% 0.25% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.1% 0.1% 0.1% 0.1% 24 48 24 48 24 48 24 48 Input Range (V) 9-36 18-75 9-36 18-75 9-36 18-75 9-36 18-75 IIN, IIN, full no load load (A) (mA) 130 130 130 130 75 40 95 50 1.39 0.69 1.4 0.69 1.4 0.7 1.4 0.7 Efficiency Min. 87.3% 87% 88% 89.5% 87.5% 87.5% 87.5% 87.5% Typ. 89% 89.5% 89.5% 91% 89% 89% 89% 89.5%
Open Frame Package, C80 Case C80 C80 C80 C80 C80 C80 C80 C80 Pinout P21 P21 P21 P21 P21 P21 P21 P21
c Please refer to the part number structure for additional options and complete ordering part numbers. d All specifications are at nominal line voltage and full load, +25 deg.C. unless otherwise noted. See detailed specifications.
Output capacitors are 1 F ceramic in parallel with 10 F electrolytic. Input cap is 22 F, low ESR. These I/O caps are necessary for our test equipment and may not be needed for your application. e Sense input is not included for 12 Vout and higher models. Sense is optional for 5 Vout and lower.
PART NUMBER STRUCTURE
UEI30 - 050 - Q48 N - C
RoHS-6 hazardous substance compliance (does not claim EU RoHS exemption 7b-lead in solder) Nominal Output Voltage In tenths of a volt Note: Not all model number combinations are available. Contact Murata Power Solutions.
Input Voltage Range: Q12 = 9-36V Q48 = 18-75V
On/Off Control Polarity: P = Positive N = Negative Positive "P" polarity is standard for Q12 models and optional special order for Q48 models. Negative "N" polarity is standard for Q48 models and optional special order for Q12 models.
Soldering Guidelines
Murata Power Solutions recommends the specifications below when installing these converters. These specifications vary depending on the solder type. Exceeding these specifications may cause damage to the product. Your production environment may differ; therefore please thoroughly review these guidelines with your process engineers.
Wave Solder Operations for through-hole mounted products (THMT)
For Sn/Ag/Cu based solders: Maximum Preheat Temperature Maximum Pot Temperature Maximum Solder Dwell Time 115 C. 270 C. 7 seconds
For Sn/Pb based solders: Maximum Preheat Temperature Maximum Pot Temperature Maximum Solder Dwell Time 105 C. 250 C. 6 seconds
www.murata-ps.com
10/20/09
email: sales@murata-ps.com
MDC_UEI Series 30W.A12_short Page 2 of 3
This data sheet contains core information only. Please click here for the full data sheet.
UEI30 Series
30W Isolated Wide-Range DC/DC Converters
MECHANICAL SPECIFICATIONS
TOP VIEW 1.92 (48.8)
PIN #1
Dimensions are in inches (mm shown for ref. only).
Third Angle Projection
.92 (23.4)
SIDE VIEW
Tolerances (unless otherwise specified): .XX 0.02 (0.5) .XXX 0.010 (0.25) Angles 2 Components are shown for reference only.
.35 (8.9) .25 (6.4)
MOUNTING PLANE .040 .002 PIN WITH .071 .002 SHOULDER 6X AT PINS 1-6 #3 .900 REF (22.86) #2 END VIEW
#6
BOTTOM VIEW 1.800 (45.72) C L
#5
.400 (10.16) C L .400 (10.16) .100 (2.54)
.300 (7.62)
.300 (7.62)
C L #4
#1
UEI30 Open Frame 30W Package C80
PHYSICAL CHARACTERISTICS Pin material Pin diameter Pin Finish Weight Electromagnetic interference Flammability Rating Safety Copper alloy with gold plate over nickel underplate 0.04" (1.016mm) Gold plate 0.53 oz (15g) Designed to meet FCC part 15, class B, EN55022 (may need filter) UL 94V-0 Designed to meet IEC/EN/UL/cUL 60950-1, CSA-C22.2 No. 60950-1 Pin Function P21 1 + Vin 2 - Vin 3 Remote On/Off*
INPUT/OUTPUT CONNECTIONS
Pin 4 5 6
Function P21 + Vout - Vout Trim
* The Remote On/Off can be provided with either positive (P suffix) or negative (N suffix) polarity.
Murata Power Solutions, Inc. 11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A.
ISO 9001 and 14001 REGISTERED
Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without notice. (c) 2009 Murata Power Solutions, Inc.
www.murata-ps.com/locations
10/20/09
email: sales@murata-ps.com
MDC_UEI Series 30W.A12_short Page 3 of 3

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