PQU650 Series
650W 4" x 6" AC-DC “U” Channel Power Supply Converter
DESCRIPTION
The PQU650 Series products are rated at 650W employing a “U” channel construction to operate
with natural convection or forced airflow. The PQU650 series is a 6”x 4” format capable of
providing a continuous 650W1 output, with a constant current overload characteristic, and 800W
“power boost” at output start4 to deliver transient loads.
The compact form factor offers an impressive 450W of natural convection cooled power at +50°C.
Provision of an adjustable Main output, plus Auxiliary/Standby and fan outputs, will enable this
technically superior solution to be deployed across multiple market sectors, complemented by
safety certification applicable to medical/Audio/Video/Communication and ITE standards.
ORDERING GUIDE (MODEL NUMBER)
Main output (V1)
Aux Output (V2)
Current Adc
Fan Output V36
Current Adc
Current Adc
Model (Order) Number
Voltage
Vdc
@ 50°C
650W1
54.2
27.1
23.2
13.6
12.1
27.1
23.2
Vdc
Vdc
@50°C
@50°C
PQU650-122
PQU650-24
PQU650-28
12
24
28
48
54
24
28
48
54
PQU650-483
PQU650-542,3
PQU650-24P2
PQU650-28P2
PQU650-48P2,3
PQU650-54P2,3
PQU-COVER2.5
5
0.5
12
0.6
13.6
12.1
Optional cover kit; End User assembly required.
1 Forced convection airflow required.
2 Consult Murata sales channel for availability.
3 PoE Isolation Compliant.
4 Any condition resulting in the Main V1 output restarting; i.e. recycling of PS_ON or recovery from
OCP/OTP protection.
5 Derating for convection cooling required.
6 Only available for forced air cooled deployments (not available for convection cooled deployments).
FEATURES2
INPUT CHARACTERISTICS
Parameter
Input Voltage AC Operating Range
Input Frequency
Turn-on input voltage
Turn-off input voltage
Conditions
Single Phase
Min
90
47
75
65
Nom
100/240 264
Max
Units
Vac
Hz
Vac
Vac
Compact high density design and thermal performance
operation to:
50/60
30
63
90
80
• 450W convection at +50°C; no derating with input
line voltage
• 650W with forced airflow at +50°C; no derating
with input line voltage
Input rising
Input falling
Vin = 90VAC; Full Load1
(650W FL)
Maximum input current
9.0
Arms
• 800W “power boost” (at output start-up)
Voltage (+15%)3 adjustment of Main V1 Output
+5VAux/Standby and 12V Fan outputs
4" x 6" industry standard footprint; “U” channel form
factor with industry “standard” mounting footprints.
Inrush Current
Power Factor
Hold-up Time
230Vac,Cold start, 25°C
At 230VAC, full load
90Vac; 650W
20% Full Load
50% Full Load
Apk
W/VA
msec
0.95
10
92
95
94
Efficiency @ 230VAC
%
W
•
•
•
40mm maximum overall “U” Channel height
42.7mm max overall height with cover
100% Full Load
(PS_ON = OFF; Aux (V2) = 0A
No Load Input Power Consumption
<0.5
1 Input current will increase to ≈10Arms under 800W peak power
Choice of screwed or pluggable connector variants2
High efficiency of 95% typical at 50% load
Very low no load standby power consumption
True zero load operation of the Main (V1) output; no
minimum load requirements
Remote sense, main output (option)
Universal AC input; active PFC; EN61000-3-2 Class A
MTBF 797Khrs; Telcordia SR332 Issue 3; M1 Case 3;
+40ºC)
MAIN OUTPUT CHARACTERISTICS (ALL MODELS)
Parameter
Conditions
Min
0
Nom
Max
5
Units
%
A
Line, Load Regulation
Minimum Load Capability
Output Ripple
Main (V1) Output1
Stable Operation
Zero to Full Load2
1%
mVPP
1 Zero load output voltage may exceed the regulation window however will not cause OVP to engage or PWOK to change to low state.
2 Ripple and noise are measured with 0.1uF ceramic capacitor and 10uF tantalum capacitor. A short coaxial cable with 50 ohm termination is used.
Min 120uF cap required at the output to keep ripple within 1% for 54V output.
Min 10% load current required, to maintain ripple within 1% for 12V output model. 1A min.
RoHS2 compliant
Active inrush protection
Droop Current Share
IEC60601 Ed.3 medical (2 x MOPP Pri-Sec);
1 x MOPP Pri-Chassis Ground)
AUXILIARY OUTPUT CHARACTERISTICS
Aux Output
Voltage
Line, Load, Cross
Regulation
Ripple Voltage &
Auxiliary
Output
Load Current
Load Capacitance
0 to 220µF
Noise
Aux (V2)
5V
0 to 0.5A
4.75t o 5.25Vdc
100mVPP
IEC62368-1; (migration planned for all PQU650 Series
members)
FAN OUTPUT CHARACTERISTICS (ALL MODELS)
Designed to comply with IEC60601-2 4th Edition EMC
Standard Requirements1
Aux Output
Auxiliary
Line, Load, Cross
Regulation
Ripple Voltage &
Noise
Load Current
0 to 0.6A
Load Capacitance
0 to 220µF
1 When deployed in End User Systems
Voltage
12V
Output1
2 Consult Murata sales channel for availability.
3 54V output adjustment range is +5% max to maintain max voltage to <60V.
Aux (V3)
10.8 to 13.2Vdc
120mVPP
1 Not recommended for “general use” due to its semi regulated characteristic. The output is for use with a fan intended to cool the PQU650; therefore if the
PQU650 is convection cooled only then this output should not be used. A 1.5A non replaceable fuse is provided in this output for overload protection.
2 Only available for forced air cooled deployments (not available for convection cooled deployments)
Report & Certificate
https://www.murata-ps.com/support
PQU650.A02 Page 1 of 10
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