UCH-3.3/15-D48N-C Murata Power Solutions Inc, UCH-3.3/15-D48N-C Datasheet - Page 8

• Manufacturer Part Number: UCH-3.3/15-D48N-C
• Description: DC/DC Converters & Regulators 3.3Vout 15A 49.5W 48Vin Neg Polarity
• Manufacturer: Murata Power Solutions Inc
• Series: UCHr

Specifications of UCH-3.3/15-D48N-C

• Output Power: 50 W
• Input Voltage Range: 36 V to 75 V
• Output Voltage (channel 1): 3.3 V
• Output Current (channel 1): 15 A
• Isolation Voltage: 2.25 KV
• Product: Isolated
• Input Voltage (nominal): 48 V
• Number Of Outputs: 1
• Package / Case Size: C61
• Output Type: Isolated Single
• Output Voltage: 3.3 V
• Package / Case: C61
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Outline dimensions
Baseplate material
Pin material
Pin diameter
Weight, ounces
Weight, grams
Electromagnetic
Flammability
Safety
These are stress ratings. Exposure of devices to greater than any of these conditions may
adversely affect long-term reliability. Proper operation under conditions other than those
listed in the Performance/Functional Specifi cations Table is not implied.
interference
(conducted and
radiated)
(external fi lter
required)
D24 Models -
D48 Models -
Volts, max. continuous
Volts, transient, 100 mSec
Volts, max. continuous
Volts, transient, 100 mSec
1.68
47
0-36 VDC
50 VDC
0-75 VDC
100 VDC
-0.7 V. min to +15V max.
See Fuse section
Vout nom. +20% max.
Current-limited. Devices can
withstand sustained short
circuit without damage. The
outputs are not intended to
accept appreciable reverse
current.
Device includes electronic
overtemperature shutdown
protection under normal
operation.
-55 to +125° C
See soldering specifi cations
Designed to meet UL 60950-1, CSA C22.2 No.60950-1, IEC/EN 60950-1
www.murata-ps.com
Designed to meet FCC part 15, class B, EN55022
Gold plated copper alloy with nickel underplate
0.04/0.08 inches (1.016/2.032 mm)
To improve reliability, if you use a small signal transistor or other external
circuit to select the Remote On/Off control, make sure to return the LO side
directly to the –Vin power input on the DC/DC converter. To avoid ground
bounce errors, do not connect the On/Off return to a distant ground plane or
current-carrying bus. If necessary, run a separate small return wire directly to
the –Vin terminal. There is very little current (typically 1-5 mA) on the On/Off
control however, large current changes on a return ground plane or ground bus
can accidentally trigger the converter on or off. If possible, mount the On/Off
transistor or other control circuit adjacent to the converter.
See mechanical specs.
Do not connect
control transistor
through remote
power bus
Aluminum
On/Off
Control
Transistor
UL94V-0
Ground plane or power return bus
1.8−15V Output DC/DC Converters
60
2
Preferred location
of On/Off control
adjacent to -Vin
terminal
Isolated, “Half-Brick”
Install separate
return wire for
On/Off control
with remote
transistor
DC/DC Converter
+ Vin
On/Off Enable
-Vin return
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