Datasheet

ManualsBrandsMURATA POWER SOLUTIONS ManualsPSU ComponentsDC/DC converter (print) 3.3 V 20 A 66 W No. of outputs: 1 x

UWE Series

Wide Input, Isolated

Eighth-Brick DC-DC Converters

MDC_UWE Series.E04 Page 1 of 23

www.murata-ps.com

www.murata-ps.com/support

For full details go to

www.murata-ps.com/rohs

FEATURES



Industry-standard through-hole eighth-brick

package with 0.9" x 2.3" x 0.38" outline

dimensions



Choice of two wide input ranges, 9-36 Vdc or

18-75 Vdc



Fixed output from 3.3 to 24 Volts DC up to 75

Watts



Synchronous rectiﬁ cation yields very high

efﬁ ciency and low power dissipation



Operating temperature range from -40 to

+85˚C with derating



Up to 2250 Volt DC isolation (Q48 models)



Outstanding thermal performance and derating



Extensive self-protection, overtemperature

and overload features with no output reverse

conduction



On/Off control, trim and remote sense functions



Certiﬁ ed to UL/EN/IEC 60950-1, CAN/CSA-C22.2

No. 60950-1, 2nd Edition, safety approvals

and EN55022/CISPR22 standards



Pre-bias operation for startup protection

With dimensions of only 0.9 by 2.3 by 0.38

inches, the UWE series open frame DC-DC convert-

ers deliver up to 75 Watts in an industry-standard

“eighth-brick” through-hole package. This format

can plug directly into quarter-brick pinouts. Several

standard ﬁ xed-output voltages from 3.3 Vdc to 24

Vdc assure compatibility in embedded equipment,

CPU cards and instrument subsystems. The extend-

ed 4-to-1 input power range (9-36V) is ideal for

battery-powered, telecom or portable applications.

Very high efﬁ ciency means no fans or temperature

deratings in many applications. An optional thermal

mounting baseplate extends operation into most

conceivable environments.

The synchronous rectiﬁ er design uses the

maximum available duty cycle for greatest ef-

ﬁ ciency and low power dissipation with no reverse

output conduction. Other features include low

on-resistance FET’s, planar magnetics and heavy-

copper PC boards. These deliver low output noise,

tight line/load regulation, stable no-load operation

and fast load step response. All units are precision

assembled in a highly automated facility with ISO-

traceable manufacturing quality standards.

Isolation of 2250 Volts (Q48 models) assures

safety and fully differential (ﬂ oating) operation for

greatest application ﬂ exibility. On-board Sense in-

puts compensate for line drop errors at high output

currents. Outputs are trimmable within ±10% of

nominal voltage. The UWE series are functionally

complete.

A wealth of protection features prevents damage

to both the converter and outside circuits. Inputs

are protected from undervoltage and outputs fea-

ture short circuit protection, overcurrent and excess

temperature shut down. Overloads automatically

recover using the “hiccup” technique upon fault

removal. The UWE is certiﬁ ed to standard safety

and EMI/RFI approvals. All units meet RoHS-6

hazardous materials compliance.

PRODUCT OVERVIEW

The UWE Series "Eighth-Brick" DC-DC Converters are high-current isolated

power modules designed for use in high-density system boards.

FEATURES

Typical unit

Figure 1. Simpliﬁ ed Block Diagram

+SENSE

OUT

−V

OUT

−SENSE

TRIM

–V

ON/OFF

CONTROL

SWITCH

DRIVE

Typical topology is shown.

REFERENCE

AMPLIFIER,

TRIM AND FEEDBACK

VOLTAGE

REGULATOR

UV, OT

ISOLATION

PWM

Q48 models only

Summary of content (23 pages)

PAGE 1
UWE Series www.murata-ps.com Wide Input, Isolated Eighth-Brick DC-DC Converters T UWE Series "Eighth-Brick" DC-DC Converters are high-current isolated The power modules designed for use in high-density system boards. Typical unit FEATURES PRODUCT OVERVIEW  Industry-standard through-hole eighth-brick package with 0.9" x 2.3" x 0.38" outline dimensions  Choice of two wide input ranges, 9-36 Vdc or 18-75 Vdc  Fixed output from 3.
PAGE 2
UWE Series Wide Input, Isolated Eighth-Brick DC-DC Converters PERFORMANCE SPECIFICATIONS SUMMARY AND ORDERING GUIDE  Output Root Model  IOUT (A) VOUT (V) Power (W) Input R/N (mVp-p) ➂ Typ. Regulation (max.) Max. Line Load VIN Nom. Range (V) (V) Efﬁciency IIN, no load (mA) IIN, full load (A) Min. Typ. UWE-3.3/20-Q12 3.3 20 66 80 125 ±0.25% ±0.25% 12 9-36 160 6.18 87% 89% UWE-3.3/20-Q48 3.3 20 66 165 225 ±0.2% ±0.25% 48 18-75 75 1.54 88% 89.5% UWE-5/15-Q12 5.
PAGE 3
UWE Series Wide Input, Isolated Eighth-Brick DC-DC Converters FUNCTIONAL SPECIFICATIONS, Q12 MODELS UWE-3.3/20-Q12 UWE-5/15-Q12 UWE-12/6-Q12 UWE-15/5-Q12 UWE-24/3-Q12 8.2 8 18 Specs are typical unless noted. INPUT Input voltage range See ordering guide Start-up threshold, Volts 9.5 Undervoltage shutdown, V. 8.5 9 8 8 Overvoltage shutdown, V.
PAGE 4
UWE Series Wide Input, Isolated Eighth-Brick DC-DC Converters FUNCTIONAL SPECIFICATIONS, Q12 MODELS, CONTINUED DYNAMIC CHARACTERISTICS UWE-3.
PAGE 5
UWE Series Wide Input, Isolated Eighth-Brick DC-DC Converters FUNCTIONAL SPECIFICATIONS, Q48 MODELS, CONTINUED OUTPUT UWE-3.3/20-Q48 UWE-5/15-Q48 Voltage output range UWE-12/6-Q48 Voltage output accuracy ±1% of Vnom., (50% load) Adjustment range -10 to +10% of Vnom. Temperature coefﬁcient ±0.02% of Vout range per °C Minimum loading No minimum load Remote sense compensation +10% max.
PAGE 6
UWE Series Wide Input, Isolated Eighth-Brick DC-DC Converters Absolute Maximum Ratings CALCULATED MTBF (TELCORDIA SR-332 METHOD, SEE NOTE 4A) Model Hours UWE-3.3/20-Q12 1,248,001 Input Voltage UWE-5/15-Q12 1,847,009 UWE-5/15-Q48 2,273,212 UWE-12/6-Q12 UWE-12/6-Q48 3,755,203 UWE-15/5-Q48 2,386,165 Q12 Models - Volts, max. continuous Volts, transient, 100 mSec Q48 Models - Volts, max.
PAGE 7
UWE Series Wide Input, Isolated Eighth-Brick DC-DC Converters PERFORMANCE DATA UWE-3.3/20-Q12N Efﬁciency vs. Line Voltage and Load Current @ 25°C 92 90 88 Efﬁciency (%) 86 Vin = 36 V Vin = 30 V Vin = 24 V Vin = 12 V Vin = 9 V 84 82 80 78 76 74 72 2 4 6 8 10 12 14 16 18 20 Load Current (Amps) UWE-3.
PAGE 8
UWE Series Wide Input, Isolated Eighth-Brick DC-DC Converters PERFORMANCE DATA UWE-3.3/20-Q48P Efﬁciency vs. Line Voltage and Load Current @ 25°C 94 90 86 Efﬁciency (%) 82 78 Vin = 75 V 74 Vin = 60 V Vin = 48 V Vin = 36 V 70 66 Vin = 24 V 62 Vin = 18 V 58 54 50 2 4 6 8 10 12 14 16 18 20 Load Current (Amps) UWE-3.
PAGE 9
UWE Series Wide Input, Isolated Eighth-Brick DC-DC Converters PERFORMANCE DATA UWE-5/15-Q12N Efﬁciency (%) Efﬁciency vs.
PAGE 10
UWE Series Wide Input, Isolated Eighth-Brick DC-DC Converters PERFORMANCE DATA UWE-5/15-Q48P Efﬁciency vs.
PAGE 11
UWE Series Wide Input, Isolated Eighth-Brick DC-DC Converters PERFORMANCE DATA UWE-12/6-Q12N Efﬁciency vs. Line Voltage and Load Current @ 25°C Power Dissipation vs.
PAGE 12
UWE Series Wide Input, Isolated Eighth-Brick DC-DC Converters PERFORMANCE DATA UWE-12/6-Q48P 6.5 6.5 6.0 6.0 Output Current (Amps) Output Current (Amps) Maximum Current Temperature Derating @ sea level (VIN = 24V, transverse airﬂow, no baseplate) Natural Convection 0.5 m/s (100 LFM) 1.0 m/s (200 LFM) 1.5 m/s (300 LFM) 2.0 m/s (400 LFM) 5.5 5.0 Maximum Current Temperature Derating @sea level (VIN = 24V, transverse airﬂow, with baseplate) Natural Convection 0.5 m/s (100 LFM) 1.0 m/s (200 LFM) 5.
PAGE 13
UWE Series Wide Input, Isolated Eighth-Brick DC-DC Converters PERFORMANCE DATA UWE-15/5-Q12N Maximum Current Temperature Derating @ sea level (VIN = 12V, transverse airﬂow, no baseplate) 5 5 Natural Convection 0.5 m/s (100 LFM) 1.0 m/s (200 LFM) Natural Convection 0.5 m/s (100 LFM) 1.0 m/s (200 LFM) 1.5 m/s (300 LFM) 2.0 m/s (400 LFM) 4.5 Output Current (Amps) 4.5 Output Current (Amps) Maximum Current Temperature Derating @sea level (VIN = 12V, transverse airﬂow, with baseplate) 4 3.5 4 3.
PAGE 14
UWE Series Wide Input, Isolated Eighth-Brick DC-DC Converters PERFORMANCE DATA UWE-15/5-Q48 Power Dissipation vs. Load Current @ 25°C Maximum Current Temperature Derating @sea level (Vin = 24V, air ﬂow from Pin 1 to Pin 3 on PCB, with Baseplate) 6 11 10 9 5 0.33 to 2.
PAGE 15
UWE Series Wide Input, Isolated Eighth-Brick DC-DC Converters PERFORMANCE DATA UWE-24/3-Q12P Efﬁciency vs. Line Voltage and Load Current @ 25°C Power Dissipation vs. Load Current @ 25°C 95 12 93 11 91 10 87 9 85 83 Loss (Watts) Efﬁ f ciency (%) 89 Vinn = 36 V Vin = 30 V Vi = 24 V Vin Vinn = 12 V Vin = 100 V Vi = 9 V Vin 81 79 77 75 73 8 7 6 Vin = 36 V Vin = 30 V Vi = 24 V Vin Vin = 12 V Vin = 100 V Vi = 9 V Vin 5 71 69 4 67 3 65 0.5 1 1.5 2 2.5 3 2 Load Currentt (Amps) 0.
PAGE 16
UWE Series Wide Input, Isolated Eighth-Brick DC-DC Converters MECHANICAL SPECIFICATIONS—NO BASEPLATE 2.30 (58.4) TOP VIEW ISOMETRIC VIEW 0.90 (22.9) 0.071 (1.8)±.002 STANDOFF AT EACH 0.040 (1.02) PIN MTG PLANE 0.126 (3.17) SIDE VIEW 0.010 (0.254) MIN (HIGHEST COMP TO MTG PLANE) 0.39 (9.91) 0.125 (3.175) REF 0.19 (4.83) 0.040 (1.02) ±.002 AT PINS 1-3, 5-7 DOSA-Compatible I/O Connections 0.062 (1.57) ±.002 AT PINS 4 & 8 0.15 (3.8) Pin 2.000 (50.80) PIN 3 PIN 4 BOTTOM VIEW 0.600 (15.
PAGE 17
UWE Series Wide Input, Isolated Eighth-Brick DC-DC Converters MECHANICAL SPECIFICATIONS (continued)—BASEPLATE INSTALLED 4X THRU M2X0.4 - 6H .10" MAX SCREW PENETRATION 2.30 (58.4) TOP VIEW 0.90 (22.9) 0.40 (10.2) 0.071 (1.8)±.002 STANDOFF AT EACH 0.040 (1.02) PIN MTG PLANE ISOMETRIC VIEW 0.625 (15.88) 1.500 (38.10) ALUMINUM BASEPLATE SIDE VIEW 0.14 (3.6) 0.010 (0.254) MIN (HIGHEST COMP TO MTG PLANE) 0.19 (4.83) END VIEW 0.50 (12.8) MAX 0.125 (3.175) REF 0.040 (1.02) ±.002 AT PINS 1-3, 5-7 0.
PAGE 18
UWE Series Wide Input, Isolated Eighth-Brick DC-DC Converters SHIPPING TRAYS AND BOXES Anti-static foam Label Label For 1–42 pc quantity For 43–84 pc quantity SHIPPING TRAY UWE modules are supplied in a 21-piece (3-by-7) shipping tray. The tray is an anti-static closed-cell polyethylene foam. Dimensions are shown below. 0.910 (23.1) TYP 9.920 (252) +0.000 -0.062 0.455 (11.6) TYP 0.735 (18.7) 9.920 (252) +0.000 -0.062 0.625 (15.9) TYP 2.400 (61) TYP Dimensions in inches (mm) 1.300 (33.0) TYP 1.
PAGE 19
UWE Series Wide Input, Isolated Eighth-Brick DC-DC Converters The difference in start up time from VIN to VOUT and from On/Off Control to VOUT is therefore insigniﬁcant. TECHNICAL NOTES 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.
PAGE 20
UWE Series Wide Input, Isolated Eighth-Brick DC-DC Converters +SENSE +VOUT C1 C2 SCOPE RLOAD –VOUT –SENSE C1 = 0.47μF CERAMIC C2 = NA LOAD 2-3 INCHES (51-76mm) FROM MODULE Figure 3. Measuring Output Ripple/Noise (PARD) Floating Outputs Since these are isolated DC-DC converters, their outputs are "ﬂoating" with respect to their input. Designers will normally use the –Output as the ground/ return of the load circuit.
PAGE 21
UWE Series Wide Input, Isolated Eighth-Brick DC-DC Converters Dynamic control of the remote on/off function is facilitated with a mechanical relay or an open-collector/open-drain drive circuit (optically isolated if appropriate). The drive circuit should be able to sink appropriate current (see Performance Specs) when activated and withstand appropriate voltage when deactivated.
PAGE 22
UWE Series Wide Input, Isolated Eighth-Brick DC-DC Converters UWE series converters will compensate for drops between the output voltage at the DC-DC and the sense voltage at the DC-DC provided that: Trim Equations Trim Up Trim Down [VOUT(+) –VOUT(–)] –[Sense(+) –Sense (–)]  5% VOUT 3.3 Volt Output RT UP (k ) = 13.3(VO – 1.226) –10.2 VO – 3.3 RT DOWN (k ) = 16.31 –10.2 3.3 – VO 5 Volt Output RT UP (k ) = 20.4(VO – 1.226) –10.2 VO – 5 RT DOWN (k ) = 25.01 5 – VO –10.
PAGE 23
UWE Series Wide Input, Isolated Eighth-Brick DC-DC Converters Vertical Wind Tunnel IR Transparent optical window Unit under test (UUT) Variable speed fan Murata Power Solutions employs a computer controlled custom-designed closed loop vertical wind tunnel, infrared video camera system, and test instrumentation for accurate airﬂow and heat dissipation analysis of power products.