www.murata-ps.com
UEI15 Series
Isolated Wide Input Range 15-Watt DC/DC Converters
Featuring a full 15 Watt or greater output in one square inch of board area, the UEI series isolated DC/DC converter family offers efficient regulated DC power for printed circuit board mounting.
Typical unit
FEATURES
Small footprint DC/DC converter, ideal for high current applications Industry standard 0.96" x 1.1" X 0.36" open frame package and pinout Wide range input voltages 9-36 and 18-75 Vdc Double lead-free assembly and attachment for RoHS standards Isolation up to 2250 VDC (basic) Up to 15 Watts or greater total output power with overtemperature shutdown High efficiency synchronous rectifier forward topology Stable no-load operation with no required external components Usable -40 to 85°C temperature range (with derating) Designed to meet UL 60950-1, CAN/CSAC22.2 No. 60950-1, IEC60950-1, EN60950-1 safety approvals Extensive self-protection shut down features
PRODUCT OVERVIEW
Wide range 4:1 inputs on the 0.96" x 1.1" x 0.36" converter are either 9 to 36 Volts DC (Q12 models) or 18 to 75 Volts DC (Q48 models), ideal for batterypowered and telecom equipment. The industrystandard pinout fits larger 1" x 2" converters. Fixed output voltages from 3.3 VDC to 15 VDC are regulated to within ±0.2% or less and may be trimmed within ±10% of nominal output. Applications include small instruments, area-limited microcontrollers, computer-based systems, data communications equipment, remote sensor systems, vehicle and portable electronics. The UEI 15W 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. For systems requiring controlled startup/shutdown, an external switch, transistor or digital logic may be used to activate the remote On/Off control. 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 high efficiency offers minimal heat buildup and “no fan” operation.
SIMPLIFIED SCHEMATIC
+VOUT +VIN
–VOUT
On/Off Control
Control
GATE DRIVE
ISOLATION BARRIER −VIN ISOLATION Reference, Trim & Error Amplifier TRIM
3.3V and 5VOUT models only.
For full details go to www.murata-ps.com/rohs
Typical topology is shown.
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Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000
MDC_UEI15W.B24 Page 1 of 13
UEI15 Series
Isolated Wide Input Range 15-Watt DC/DC Converters
PERFORMANCE SPECIFICATIONS AND ORDERING GUIDE ➀ Output R/N (mVp-p) ➁ Regulation (Max.) Root Models ➀ UEI15-033-Q12P-C UEI15-033-Q48N-C UEI15-050-Q12P-C UEI15-050-Q48N-C UEI15-120-Q12P-C UEI15-120-Q48N-C UEI15-150-Q12P-C UEI15-150-Q48N-C VOUT IOUT Power Typ. (V) (A)e (W) 3.3 3.3 5 5 12 12 15 15 4.5 5 3 3 1.3 1.3 1.1 1.1 14.85 16.5 15 15 15.6 15.6 16.5 16.5 60 60 70 60 110 85 130 80 Input IIN = no VIN Nom. Range load (V) (V) (mA) 24 48 24 48 24 48 24 48 9-36 18-75 9-36 18-75 9-36 18-75 9-36 18-75 43 24 41 28 15 15 18 14 IIN = full load (A) 0.71 0.4 0.72 0.36 0.77 0.76 0.81 0.4 Efficiency Open Frame Package – C75 Case Pinout
Max. 90 90 125 95 150 120 175 120
Line ±0.05% ±0.2%
Load ±0.1% ±0.2%
Min. 86.5%
Typ. 89%
(inches)
(mm)
86.5% 88.8% 86.3% 87.3% 84.3% 86.0% 82.3% 84.5% 83.3% 83.5% 85% 85% 1.1×0.96×0.36 27.9×24.4×9.1 P22
±0.05% ±0.075% ±0.05% ±0.06% ±0.05% ±0.05% ±0.075% ±0.05% ±0.05% ±0.05% ±0.05% ±0.05%
83.3% 85.3%
➀ Please refer to the part number structure for additional options and complete ordering part numbers. ➁ All specifications are typical at nominal line voltage and full load, +25 deg.C. unless otherwise noted. See detailed specifications. PART NUMBER STRUCTURE
e Minimum output load for UEI15-033-Q12, UEI15-120-Q12 and UEI15-050-Q12 is 10% of maximum current.
UEI15 - 033 - Q12
Unipolar Wide Input 15-Watt Series Nominal Output Voltage in Tenths of a Volt
P-C
RoHS-6 Hazardous Substance Compliance
On/Off Control Polarity: P = Positive N = Negative Input Voltage Range Q12 = 9-36V Q48 = 18-75V Note: Some model number combinations may not be available. Contact Murata Power Solutions.
www.murata-ps.com
Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000
MDC_UEI15W.B24 Page 2 of 13
UEI15 Series
Isolated Wide Input Range 15-Watt DC/DC Converters
MECHANICAL SPECIFICATIONS, OPEN FRAME
Case 75
TOP VIEW 27.9 1.10 PIN #1
PHYSICAL CHARACTERISTICS
Pin Material Pin Diameter Pin Finish Weight Electromagnetic Interference Flammability Rating Safety (designed to meet)
24.4 0.96
Copper alloy 0.04" (1.016mm) Gold plate 0.352 oz./10 grams FCC part 15, class B, EN55022 UL 94V-0 UL/cUL 60950-1, CAN/CSAC22.2-60950-1, IEC/EN 60950-1
Dimensions are in inches (mm shown for ref. only).
Third Angle Projection
INPUT/OUTPUT CONNECTIONS Pin Function 1 2 3 4 + Vin - Vin + Vout Output Trim - Vout On/Off Control*
SIDE VIEW 9.1 0.36
Tolerances (unless otherwise specified): .XX ± 0.02 (0.5) .XXX ± 0.010 (0.25) Angles ± 1˚ Components are shown for reference only.
5 6
*The Remote On/Off can be provided with either positive (P suffix) or negative (N suffix) polarity
.040 .002 PIN WITH .071 .002 SHOULDER 6X AT PINS 1-6
BOTTOM VIEW #5 10.16 0.400 C L #6
END VIEW 0.428 REF
#2 10.16 0.400 C L 10.16 0.400 #3 #4 #1 5.08 0.200
2.54 0.100 C L 20.32 0.800 4.8 0.19
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Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000
MDC_UEI15W.B24 Page 3 of 13
UEI15 Series
Isolated Wide Input Range 15-Watt DC/DC Converters
INPUT CHARACTERISTICS
UnderStart-up voltage threshold Shutdown V V 9.5 16.7 9.5 16.7 9.5 16.7 9.5 16.7 8.6 15.6 8.5 15.6 8.4 15.6 8.4 16.2 30 0.05 50 Reflected (back) Ripple Current mA pk-pk Input Current Inrush Transient A2sec Output Short Standby Circuit Low Line Mode mA A mA 1.86 1.04 1.90 0.96 2.04 1.02 2.13 1.06 1 Recommended Fuse A 4 2 4 2 4 1.5 4 2 L None see note 15 1 C OFF=Gnd pin or –0.7 to +1.2V max. ON=open pin or +5.8 to +15V max. Remote On/Off Control Internal Reverse Input Polarity On/Off Positive Logic Negative Logic "N" model Filter Protec- Current blank model Type tion mA suffix suffix
Model Family
UEI15-033-Q12 UEI15-033-Q48 UEI15-050-Q12 UEI15-050-Q48 UEI15-120-Q12 UEI15-120-Q48 UEI15-150-Q12 UEI15-150-Q48
C
OFF=open pin or +5.8 to + 15V max. ON=Gnd pin or –0.7 to +1.2V max.
OUTPUT CHARACTERISTICS
Ripple/Noise (20 MHz bandwidth)8 Voltage Output Range Line/Load Regulation 115 0.3 Continuous Monotonic 2 x 106 4.1 x 106 2.1 x 10 2 x 106
6
OV protection method
Model Family
IOUT Max. mA
VOUT Capacitive Loading Max. Accuracy Adjustment Temperature Low ESR
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