UEI-3.3/18-Q48PR-C Murata Power Solutions Inc, UEI-3.3/18-Q48PR-C Datasheet - Page 2

• Manufacturer Part Number: UEI-3.3/18-Q48PR-C
• Description: CONVERTER, DC/DC, 3.3V, 18A
• Manufacturer: Murata Power Solutions Inc

Specifications of UEI-3.3/18-Q48PR-C

• No. Of Output Channels: 1
• Input Voltage: 18V To 75V
• Power Rating: 59.4W
• Output Voltage: 3.3V
• Output Current: 18A
• Supply Voltage: 48V
• Dc / Dc Converter Case Style: Through Hole
• Isolation Voltage: 2.25kV
• Product: Isolated
• Output Power: 59 W
• Input Voltage Range: 18 V to 75 V
• Output Voltage (channel 1): 3.3 V
• Output Current (channel 1): 18 A
• No. Of Outputs: 1
• Approval Bodies: CSA / EN / UL
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

 These are partial model numbers. Please refer to the full model number structure for complete
 These specifications are preliminary. Contact MPS for availability.
 All specifications are typical at nominal line voltage and full load, +25 deg.C. unless otherwise
UEI-3.3/15-Q12PR-C
UEI-3.3/18-Q48NR-C
UEI-5/10-Q12PR-C
UEI-5/12-Q48NR-C
UEI-12/4.2-Q12P-C
UEI-12/5-Q48N-C
UEI-15/3.3-Q12P-C
UEI-15/4-Q48N-C
PERFORMANCE SPECIFICATIONS AND ORDERING GUIDE
ordering part numbers.
noted. See detailed specifications.
PART NUMBER STRUCTURE
Root Model

Nominal Output Voltage
V
3.3
3.3
(V)
12
12
15
15
out
5
5
Maximum Rated Output
Current in Amps
I
(A)
4.2
3.3
15
18
10
12
out
5
4
Input Voltage Range:
UEI
Q12 = 9-36V
Q48 = 18-75V
Power
49.5
59.4
50.4
49.5
(W)
50
60
60
60
-
3.3 15
R/N (mVp-p) Regulation (Max.)
Typ.
Output
15
60
35
70
On/Off Control Polarity:
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.
/
www.murata-ps.com
P = Positive
N = Negative

Max.
125
100
30
50
-
Q12
±0.075% ±0.2%
±0.05% ±0.06%
±0.1%
±0.1% ±0.15%
Line
P R Z
±0.1%
Load
Please contact Murata Power Solutions for further information.
Sense Inputs (5 V
R = Sense included as standard (for 5 V
and lower models only. 12 V
models do not offer the sense option.)
Blank = Sense not installed for 5 V
lower models. Pins 6 and 9 omitted.
-
Plastic Case:
Nom.
C
 Output capacitors are 1 µF ceramic || 10 µF electrolytic. Input cap is 22 µF, low ESR.
 I/O caps are necessary for our test equipment and may not be needed for your application.
 Sense input is not included for 12 V
V
(V)
24
48
24
48
Z = Plastic case, optional*
Blank = No plastic case
IN
RoHS-6 compliance
Range
18-75
18-75
9-36
9-36
(V)
out
50-60W Isolated Wide-Range DC/DC Converters
and lower):
Input
no load
(mA)
130
130
130
130
I
in
out
Technical enquiries email: [e-mail], tel:
,
and higher
out
load (A)
I
in
2.33
1.38
2.31
1.37
and
out
out
, full
and higher models. Sense is optional for 5 V
* Please contact Murata Power Solutions
for availability on teh plastic case models.
86.8%
89.5%
MDC_UEI Series 50-60W.B16 Page 2 of 10
Note:
Not all model number combinations are
available. Contact Murata Power Solutions.
Min.
87%
89%
Efficiency
88.5%
89.5%
90%
91%
Typ.
UEI Series
1.55x1.95x0.375
1.55x1.95x0.375
1.55x1.95x0.375
1.55x1.95x0.375
Case (inches)
Package
[phone]
out
and lower.
Pinout
P52
P52
P52
P52